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Channel modes
=============
``+b``, channel ban
-------------------
Bans take one parameter which can take several forms. The most common
form is ``+b nick!user@host``. The wildcards ``*`` and ``?`` are
allowed, matching zero-or-more, and exactly-one characters
respectively. The masks will be trimmed to fit the maximum allowable
length for the relevant element. Bans are also checked against the IP
address, even if it resolved or is spoofed. CIDR is supported, like
``*!*@10.0.0.0/8``. This is most useful with IPv6. Bans are not
checked against the real hostname behind any kind of spoof, except if
host mangling is in use (e.g. ``extensions/ip_cloaking.so``): if the
user's host is mangled, their real hostname is checked additionally,
and if a user has no spoof but could enable mangling, the mangled form
of their hostname is checked additionally. Hence, it is not possible
to evade bans by toggling host mangling.
The second form (extban) is ``+b $type`` or ``+b $type:data``. type is
a single character (case insensitive) indicating the type of match,
optionally preceded by a tilde (``~``) to negate the comparison. data
depends on type. Each type is loaded as a module. The available types
(if any) are listed in the ``EXTBAN`` token of the 005
(``RPL_ISUPPORT``) numeric. See ``doc/extban.txt`` in the source
distribution for more information.
If no parameter is given, the list of bans is returned. All users can
use this form. The plus sign should also be omitted.
Matching users will not be allowed to join the channel or knock on it.
If they are already on the channel, they may not send to it or change
their nick.
``+c``, colour filter
---------------------
This cmode activates the colour filter for the channel. This filters out
bold, underline, reverse video, beeps, mIRC colour codes, and ANSI
escapes. Note that escape sequences will usually leave cruft sent to the
channel, just without the escape characters themselves.
``+e``, ban exemption
---------------------
This mode takes one parameter of the same form as bans, which overrides
``+b`` and ``+q`` bans for all clients it matches.
This can be useful if it is necessary to ban an entire ISP due to
persistent abuse, but some users from that ISP should still be allowed
in. For example::
/mode #channel +be *!*@*.example.com *!*someuser@host3.example.com
Only channel operators can see ``+e`` changes or request the list.
``+f``, channel forwarding
--------------------------
This mode takes one parameter, the name of a channel (``+f
#channel``). If the channel also has the ``+i`` cmode set, and
somebody attempts to join without either being expliticly invited, or
having an invex (``+I``), then they will instead join the channel
named in the mode parameter. The client will also be sent a 470
numeric giving the original and target channels.
Users are similarly forwarded if the ``+j`` cmode is set and their attempt
to join is throttled, if ``+l`` is set and there are already too many users
in the channel or if ``+r`` is set and they are not identified.
Forwards may only be set to ``+F`` channels, or to channels the setter has
ops in.
Without parameter (``/mode #channel f`` or ``/mode #channel +f``) the forward
channel is returned. This form also works off channel.
``+F``, allow anybody to forward to this
----------------------------------------
When this mode is set, anybody may set a forward from a channel they
have ops in to this channel. Otherwise they have to have ops in this
channel.
``+g``, allow anybody to invite
-------------------------------
When this mode is set, anybody may use the ``INVITE`` command on the channel
in question. When it is unset, only channel operators may use the ``INVITE``
command.
When this mode is set together with ``+i``, ``+j``, ``+l`` or ``+r``, all channel
members can influence who can join.
``+i``, invite only
-------------------
When this cmode is set, no client can join the channel unless they have
an invex (``+I``) or are invited with the ``INVITE`` command.
``+I``, invite exception (invex)
--------------------------------
This mode takes one parameter of the same form as bans. Matching clients
do not need to be invited to join the channel when it is invite-only
(``+i``). Unlike the ``INVITE`` command, this does not override ``+j``, ``+l`` and ``+r``.
Only channel operators can see ``+I`` changes or request the list.
``+j``, join throttling
-----------------------
This mode takes one parameter of the form n:t, where n and t are
positive integers. Only n users may join in each period of t seconds.
Invited users can join regardless of ``+j``, but are counted as normal.
Due to propagation delays between servers, more users may be able to
join (by racing for the last slot on each server).
``+k``, key (channel password)
------------------------------
Taking one parameter, when set, this mode requires a user to supply the
key in order to join the channel: ``/JOIN #channel key``.
``+l``, channel member limit
----------------------------
Takes one numeric parameter, the number of users which are allowed to be
in the channel before further joins are blocked. Invited users may join
regardless.
Due to propagation delays between servers, more users may be able to
join (by racing for the last slot on each server).
``+L``, large ban list
----------------------
Channels with this mode will be allowed larger banlists (by default, 500
instead of 50 entries for ``+b``, ``+q``, ``+e`` and ``+I`` together). Only network
operators with resv privilege may set this mode.
``+m``, moderated
-----------------
When a channel is set ``+m``, only users with ``+o`` or ``+v`` on the channel can
send to it.
Users can still knock on the channel or change their nick.
``+n``, no external messages
----------------------------
When set, this mode prevents users from sending to the channel without
being in it themselves. This is recommended.
``+o``, channel operator
------------------------
This mode takes one parameter, a nick, and grants or removes channel
operator privilege to that user. Channel operators have full control
over the channel, having the ability to set all channel modes except ``+L``
and ``+P``, and kick users. Like voiced users, channel operators can always
send to the channel, overriding ``+b``, ``+m`` and ``+q`` modes and the per-channel
flood limit. In most clients channel operators are marked with an '@'
sign.
The privilege is lost if the user leaves the channel or server in any
way.
Most networks will run channel registration services (e.g. ChanServ)
which ensure the founder (and users designated by the founder) can
always gain channel operator privileges and provide some features to
manage the channel.
``+p``, paranoid channel
------------------------
When set, the ``KNOCK`` command cannot be used on the channel to request an
invite, and users will not be shown the channel in ``WHOIS`` replies unless
they are on it. Unlike in traditional IRC, ``+p`` and ``+s`` can be set
together.
``+P``, permanent channel
-------------------------
Channels with this mode (which is accessible only to network operators
with resv privilege) set will not be destroyed when the last user
leaves.
This makes it less likely modes, bans and the topic will be lost and
makes it harder to abuse network splits, but also causes more unwanted
restoring of old modes, bans and topics after long splits.
``+q``, quiet
-------------
This mode behaves exactly like ``+b`` (ban), except that the user may still
join the channel. The net effect is that they cannot knock on the
channel, send to the channel or change their nick while on channel.
``+Q``, block forwarded users
-----------------------------
Channels with this mode set are not valid targets for forwarding. Any
attempt to forward to this channel will be ignored, and the user will be
handled as if the attempt was never made (by sending them the relevant
error message).
This does not affect the ability to set ``+f``.
``+r``, block unidentified
--------------------------
When set, this mode prevents unidentified users from joining. Invited
users can still join.
``+s``, secret channel
----------------------
When set, this mode prevents the channel from appearing in the output of
the ``LIST``, ``WHO`` and ``WHOIS`` command by users who are not on it. Also, the
server will refuse to answer ``WHO``, ``NAMES``, ``TOPIC`` and ``LIST`` queries from
users not on the channel.
``+t``, topic limit
-------------------
When set, this mode prevents users who are not channel operators from
changing the topic.
``+v``, voice
-------------
This mode takes one parameter, a nick, and grants or removes voice
privilege to that user. Voiced users can always send to the channel,
overriding ``+b``, ``+m`` and ``+q`` modes and the per-channel flood limit. In most
clients voiced users are marked with a plus sign.
The privilege is lost if the user leaves the channel or server in any
way.
``+z``, reduced moderation
--------------------------
When ``+z`` is set, the effects of ``+m``, ``+b`` and ``+q`` are relaxed. For each
message, if that message would normally be blocked by one of these
modes, it is instead sent to all channel operators. This is intended for
use in moderated debates.
Note that ``+n`` is unaffected by this. To silence a given user completely,
remove them from the channel.

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Operator Commands
=================
Network management commands
~~~~~~~~~~~~~~~~~~~~~~~~~~~
.. note:: All commands and names are case insensitive. Parameters
consisting of one or more separate letters, such as in ``MODE``,
``STATS`` and ``WHO``, are case sensitive.
CONNECT
-------
::
CONNECT target [port] [source]
Initiate a connection attempt to server target. If a port is given,
connect to that port on the target, otherwise use the one given in
``ircd.conf``. If source is given, tell that server to initiate the
connection attempt, otherwise it will be made from the server you are
attached to.
To use the default port with source, specify 0 for port.
SQUIT
-----
::
SQUIT server [reason]
Closes down the link to server from this side of the network. If a
reason is given, it will be sent out in the server notices on both sides
of the link.
REHASH
------
::
REHASH [BANS | DNS | MOTD | OMOTD | TKLINES | TDLINES | TXLINES | TRESVS | REJECTCACHE | HELP] [server]
With no parameter given, ``ircd.conf`` will be reread and parsed. The
server argument is a wildcard match of server names.
``BANS``
Rereads ``kline.conf``, ``dline.conf``, ``xline.conf``,
``resv.conf`` and their .perm variants
``DNS``
Reread ``/etc/resolv.conf``.
``MOTD``
Reload the ``MOTD`` file
``OMOTD``
Reload the operator ``MOTD`` file
``TKLINES``
Clears temporary ``K:lines``.
``TDLINES``
Clears temporary ``D:lines``.
``TXLINES``
Clears temporary ``X:lines``.
``TRESVS``
Clears temporary reservations.
``REJECTCACHE``
Clears the client rejection cache.
``HELP``
Refreshes the help system cache.
RESTART
-------
::
RESTART server
Cause an immediate total shutdown of the IRC server, and restart from
scratch as if it had just been executed.
This reexecutes the ircd using the compiled-in path, visible as ``SPATH`` in
``INFO``.
.. note:: This command cannot be used remotely. The server name is
used only as a safety measure.
DIE
---
::
DIE server
Immediately terminate the IRC server, after sending notices to all
connected clients and servers
.. note:: This command cannot be used remotely. The server name is
used only as a safety measure.
SET
---
::
SET [ ADMINSTRING | AUTOCONN | AUTOCONNALL | FLOODCOUNT | IDENTTIMEOUT | MAX | OPERSTRING | SPAMNUM | SPAMTIME | SPLITMODE | SPLITNUM | SPLITUSERS ] value
The ``SET`` command sets a runtime-configurable value.
Most of the ``ircd.conf`` equivalents have a ``default_prefix`` and are
only read on startup. ``SET`` is the only way to change these at run time.
Most of the values can be queried by omitting value.
``ADMINSTRING``
Sets string shown in ``WHOIS`` for admins. (umodes +o and +a set, umode
+S not set).
``AUTOCONN``
Sets auto-connect on or off for a particular server. Takes two
parameters, server name and new state.
To see these values, use ``/stats c``. Changes to this are lost on a
rehash.
``AUTOCONNALL``
Globally sets auto-connect on or off. If disabled, no automatic
connections are done; if enabled, automatic connections are done
following the rules for them.
``FLOODCOUNT``
The number of lines allowed to be sent to a connection before
throttling it due to flooding. Note that this variable is used for
both channels and clients.
For channels, op or voice overrides this; for users, IRC operator
status or op or voice on a common channel overrides this.
``IDENTTIMEOUT``
Timeout for requesting ident from a client.
``MAX``
Sets the maximum number of connections to value.
This number cannot exceed maxconnections - ``MAX_BUFFER``.
maxconnections is the rlimit for number of open files. ``MAX_BUFFER``
is defined in config.h, normally 60.
``MAXCLIENTS`` is an alias for this.
``OPERSTRING``
Sets string shown in ``WHOIS`` for opers (umode ``+o`` set, umodes ``+a`` and ``+S``
not set).
``SPAMNUM``
Sets how many join/parts to channels constitutes a possible spambot.
``SPAMTIME``
Below this time on a channel counts as a join/part as above.
``SPLITMODE``
Sets splitmode to value:
``ON``
splitmode is permanently on
``OFF``
splitmode is permanently off (default if ``no_create_on_split``
and ``no_join_on_split`` are disabled)
``AUTO``
ircd chooses splitmode based on ``SPLITUSERS`` and ``SPLITNUM`` (default
if ``no_create_on_split`` or ``no_join_on_split`` are enabled)
``SPLITUSERS``
Sets the minimum amount of users needed to deactivate automatic
splitmode.
``SPLITNUM``
Sets the minimum amount of servers needed to deactivate automatic
splitmode. Only servers that have finished bursting count for this.
User management commands
~~~~~~~~~~~~~~~~~~~~~~~~
KILL
----
::
KILL nick [reason]
Disconnects the user with the given nick from the server they are
connected to, with the reason given, if present, and broadcast a server
notice announcing this.
Your nick and the reason will appear on channels.
CLOSE
-----
Closes all connections from and to clients and servers who have not
completed registering.
KLINE
-----
::
KLINE [length] [user@host | user@a.b.c.d] [ON servername] [:reason]
Adds a ``K:line`` to ``kline.conf`` to ban the given ``user@host`` from using
that server.
If the optional parameter length is given, the ``K:line`` will be temporary
(i.e. it will not be stored on disk) and last that long in minutes.
If an IP address is given, the ban will be against all hosts matching
that IP regardless of DNS. The IP address can be given as a full address
(``192.168.0.1``), as a CIDR mask (``192.168.0.0/24``), or as a glob
(``192.168.0.*``).
All clients matching the ``K:line`` will be disconnected from the server
immediately.
If a reason is specified, it will be sent to the client when they are
disconnected, and whenever a connection is attempted which is banned.
If the ON part is specified, the ``K:line`` is set on servers matching the
given mask (provided a matching ``shared{}`` block exists there). Otherwise,
if specified in a ``cluster{}`` block, the ``K:Line`` will be propagated across
the network accordingly.
UNKLINE
-------
::
UNKLINE user@host [ON servername]
Will attempt to remove a ``K:line`` matching ``user@host`` from ``kline.conf``,
and will flush a temporary ``K:line``.
XLINE
-----
::
XLINE [length] mask [ON servername] [:reason]
Works similarly to ``KLINE``, but matches against the real name field. The
wildcards are ``*`` (any sequence), ``?`` (any character), ``#`` (a digit) and ``@`` (a
letter); wildcard characters can be escaped with a backslash. The
sequence ``\s`` matches a space.
All clients matching the ``X:line`` will be disconnected from the server
immediately.
The reason is never sent to users. Instead, they will be exited with
"Bad user info".
If the ON part is specified, the ``X:line`` is set on servers matching the
given mask (provided a matching ``shared{}`` block exists there). Otherwise,
if specified in a ``cluster{}`` block, the ``X:line`` will be propagated across
the network accordingly.
UNXLINE
-------
::
UNXLINE mask [ON servername]
Will attempt to remove an ``X:line`` from ``xline.conf``, and will flush a
temporary ``X:line``.
RESV
----
::
RESV [length] [channel | mask] [ON servername] [:reason]
If used on a channel, “jupes” the channel locally. Joins to the channel
will be disallowed and generate a server notice on ``+y``, and users will
not be able to send to the channel. Channel jupes cannot contain
wildcards.
If used on a nickname mask, prevents local users from using a nick
matching the mask (the same wildcard characters as xlines). There is no
way to exempt the initial nick from this.
In neither case will current users of the nick or channel be kicked or
disconnected.
This facility is not designed to make certain nicks or channels
oper-only.
The reason is never sent to users.
If the ON part is specified, the resv is set on servers matching the
given mask (provided a matching ``shared{}`` block exists there). Otherwise,
if specified in a ``cluster{}`` block, the resv will be propagated across
the network accordingly.
UNRESV
------
::
UNRESV [channel | mask] [ON servername]
Will attempt to remove a resv from ``resv.conf``, and will flush a
temporary resv.
DLINE
-----
::
DLINE [length] a.b.c.d [ON servername] [:reason]
Adds a ``D:line`` to ``dline.conf``, which will deny any connections from
the given IP address. The IP address can be given as a full address
(``192.168.0.1``) or as a CIDR mask (``192.168.0.0/24``).
If the optional parameter length is given, the ``D:line`` will be temporary
(i.e. it will not be stored on disk) and last that long in minutes.
All clients matching the ``D:line`` will be disconnected from the server
immediately.
If a reason is specified, it will be sent to the client when they are
disconnected, and, if ``dline_reason`` is enabled, whenever a connection is
attempted which is banned.
``D:lines`` are less load on a server, and may be more appropriate if
somebody is flooding connections.
If the ON part is specified, the ``D:line`` is set on servers matching the
given mask (provided a matching ``shared{}`` block exists there, which is
not the case by default). Otherwise, the D:Line will be set on the local
server only.
Only ``exempt{}`` blocks exempt from ``D:lines``. Being a server or having
``kline_exempt`` in ``auth{}`` does *not* exempt (different from ``K/G/X:lines``).
UNDLINE
-------
::
UNDLINE a.b.c.d [ON servername]
Will attempt to remove a ``D:line`` from ``dline.conf``, and will flush a
temporary ``D:line``.
TESTGECOS
---------
::
TESTGECOS gecos
Looks up X:Lines matching the given gecos.
TESTLINE
--------
::
TESTLINE [nick!] [user@host | a.b.c.d]
Looks up the given hostmask or IP address and reports back on any ``auth{}``
blocks, D: or K: lines found. If nick is given, also searches for nick
resvs.
For temporary items the number of minutes until the item expires is
shown (as opposed to the hit count in STATS q/Q/x/X).
This command will not perform DNS lookups; for best results you must
testline a host and its IP form.
The given username should begin with a tilde (~) if identd is not in
use. As of charybdis 2.1.1, ``no_tilde`` and username truncation will be
taken into account like in the normal client access check.
As of charybdis 2.2.0, a channel name can be specified and the RESV will
be returned, if there is one.
TESTMASK
--------
::
TESTMASK hostmask [gecos]
Searches the network for users that match the hostmask and gecos given,
returning the number of matching users on this server and other servers.
The hostmask is of the form user@host or user@ip/cidr with \* and ?
wildcards, optionally preceded by nick!.
The gecos field accepts the same wildcards as xlines.
The IP address checked against is ``255.255.255.255`` if the IP address is
unknown (remote client on a TS5 server) or 0 if the IP address is hidden
(``auth{}`` spoof).
LUSERS
------
::
LUSERS [mask] [nick | server]
Shows various user and channel counts.
The mask parameter is obsolete but must be used when querying a remote
server.
TRACE
-----
::
TRACE [server | nick] [location]
With no argument or one argument which is the current server, TRACE
gives a list of all connections to the current server and a summary of
connection classes.
With one argument which is another server, TRACE displays the path to
the specified server, and all servers, opers and -i users on that
server, along with a summary of connection classes.
With one argument which is a client, TRACE displays the path to that
client, and that client's information.
If location is given, the command is executed on that server; no path is
displayed.
When listing connections, type, name and class is shown in addition to
information depending on the type:
Try.
A server we are trying to make a TCP connection to.
H.S.
A server we have established a TCP connection to, but is not yet
registered.
\?\?\?\?
An incoming connection that has not yet registered as a user or a
server (“unknown”). Shows the username, hostname, IP address and the
time the connection has been open. It is possible that the ident or
DNS lookups have not completed yet, and in any case no tildes are
shown here. Unknown connections may not have a name yet.
User
A registered unopered user. Shows the username, hostname, IP
address, the time the client has not sent anything (as in STATS l)
and the time the user has been idle (from PRIVMSG only, as in
WHOIS).
Oper
Like User, but opered.
Serv
A registered server. Shows the number of servers and users reached
via this link, who made this connection and the time the server has
not sent anything.
ETRACE
------
::
ETRACE [nick]
Shows client information about the given target, or about all local
clients if no target is specified.
PRIVS
-----
::
PRIVS [nick]
Displays effective operator privileges for the specified nick, or for
yourself if no nick is given. This includes all privileges from the
operator block, the name of the operator block and those privileges from
the auth block that have an effect after the initial connection.
The exact output depends on the server the nick is on, see the matching
version of this document. If the remote server does not support this
extension, you will not receive a reply.
MASKTRACE
---------
::
MASKTRACE hostmask [gecos]
Searches the local server or network for users that match the hostmask
and gecos given. Network searches require the ``oper_spy`` privilege and an
'!' before the hostmask. The matching works the same way as TESTMASK.
The hostmask is of the form ``user@host`` or ``user@ip/cidr`` with ``*`` and ``?``
wildcards, optionally preceded by ``nick!``.
The gecos field accepts the same wildcards as xlines.
The IP address field contains ``255.255.255.255`` if the IP address is
unknown (remote client on a TS5 server) or ``0`` if the IP address is hidden
(``auth{}`` spoof).
CHANTRACE
---------
::
CHANTRACE channel
Displays information about users in a channel. Opers with the ``oper_spy``
privilege can get the information without being on the channel, by
prefixing the channel name with an ``!``.
The IP address field contains ``255.255.255.255`` if the IP address is
unknown (remote client on a TS5 server) or ``0`` if the IP address is hidden
(``auth{}`` spoof).
SCAN
----
::
SCAN UMODES +modes-modes [no-list] [list] [global] [list-max number] [mask nick!user@host]
Searches the local server or network for users that have the umodes
given with + and do not have the umodes given with -. no-list disables
the listing of matching users and only shows the count. list enables the
listing (default). global extends the search to the entire network
instead of local users only. list-max limits the listing of matching
users to the given amount. mask causes only users matching the given
nick!user@host mask to be selected. Only the displayed host is
considered, not the IP address or real host behind dynamic spoofs.
The IP address field contains ``255.255.255.255`` if the IP address is
unknown (remote client on a TS5 server) or 0 if the IP address is hidden
(``auth{}`` spoof).
Network searches where a listing is given are operspy commands.
CHGHOST
-------
::
CHGHOST nick value
Set the hostname associated with a particular nick for the duration of
this session. This command is disabled by default because of the abuse
potential and little practical use.
Miscellaneous commands
~~~~~~~~~~~~~~~~~~~~~~
ADMIN
-----
::
ADMIN [nick | server]
Shows the information in the ``admin{}`` block.
INFO
----
::
INFO [nick | server]
Shows information about the authors of the IRC server, and some
information about this server instance. Opers also get a list of
configuration options.
TIME
----
::
TIME [nick | server]
Shows the local time on the given server, in a human-readable format.
VERSION
-------
::
VERSION [nick | server]
Shows version information, a few compile/config options, the SID and the
005 numerics. The 005 numeric will be remapped to 105 for remote
requests.
STATS
-----
::
STATS [type] [nick | server]
Display various statistics and configuration information.
A
Show DNS servers
b
Show active nick delays
B
Show hash statistics
c
Show connect blocks
d
Show temporary ``D:lines``
D
Show permanent ``D:lines``
e
Show exempt blocks (exceptions to ``D:lines``)
E
Show events
f
Show file descriptors
h
Show ``hub_mask``/``leaf_mask``
i
Show auth blocks, or matched auth blocks
k
Show temporary ``K:lines``, or matched ``K:lines``
K
Show permanent ``K:lines``, or matched ``K:lines``
l
Show hostname and link information about the given nick. With a
server name, show information about opers and servers on that
server; opers get information about all local connections if they
query their own server. No hostname is shown for server connections.
L
Like l, but show IP address instead of hostname
m
Show commands and their usage statistics (total counts, total bytes,
counts from server connections)
n
Show blacklist blocks (DNS blacklists) with hit counts since last
rehash and (parenthesized) reference counts. The reference count
shows how many clients are waiting on a lookup of this blacklist or
have been found and are waiting on registration to complete.
o
Show operator blocks
O
Show privset blocks
p
Show logged on network operators which are not set AWAY.
P
Show listen blocks (ports)
q
Show temporarily resv'ed nicks and channels with hit counts
Q
Show permanently resv'ed nicks and channels with hit counts since
last rehash bans
r
Show resource usage by the ircd
t
Show generic server statistics about local connections
u
Show server uptime
U
Show shared (c), cluster (C) and service (s) blocks
v
Show connected servers and brief status
x
Show temporary ``X:lines`` with hit counts
X
Show permanent ``X:lines`` with hit counts since last rehash bans
y
Show class blocks
z
Show memory usage statistics
Z
Show ziplinks statistics
?
Show connected servers and link information about them
WALLOPS
-------
::
WALLOPS :message
Sends a WALLOPS message to all users who have the +w umode set. This is
for things you don't mind the whole network knowing about.
OPERWALL
--------
::
OPERWALL :message
Sends an OPERWALL message to all opers who have the +z umode set. +z is
restricted, OPERWALL should be considered private communications.

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# -*- coding: utf-8 -*-
#
# Charybdis operator guide documentation build configuration file, created by
# sphinx-quickstart on Sat Mar 25 10:41:29 2017.
#
# This file is execfile()d with the current directory set to its
# containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
#
# import os
# import sys
# sys.path.insert(0, os.path.abspath('.'))
# -- General configuration ------------------------------------------------
# If your documentation needs a minimal Sphinx version, state it here.
#
# needs_sphinx = '1.0'
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = []
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
#
# source_suffix = ['.rst', '.md']
source_suffix = '.rst'
# The encoding of source files.
#
# source_encoding = 'utf-8-sig'
# The master toctree document.
master_doc = 'index'
# General information about the project.
project = u'Charybdis operator guide'
copyright = u'2009, Jilles Tjoelker'
author = u'Jilles Tjoelker'
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = u'3.5'
# The full version, including alpha/beta/rc tags.
release = u'3.5'
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
language = None
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#
# today = ''
#
# Else, today_fmt is used as the format for a strftime call.
#
# today_fmt = '%B %d, %Y'
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
# The reST default role (used for this markup: `text`) to use for all
# documents.
#
# default_role = None
# If true, '()' will be appended to :func: etc. cross-reference text.
#
# add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#
# add_module_names = True
# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#
# show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# A list of ignored prefixes for module index sorting.
# modindex_common_prefix = []
# If true, keep warnings as "system message" paragraphs in the built documents.
# keep_warnings = False
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
# -- Options for HTML output ----------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
#
#html_theme = 'alabaster'
# Theme options are theme-specific and customize the look and feel of a theme
# further. For a list of options available for each theme, see the
# documentation.
#
# html_theme_options = {}
# Add any paths that contain custom themes here, relative to this directory.
# html_theme_path = []
# The name for this set of Sphinx documents.
# "<project> v<release> documentation" by default.
#
# html_title = u'Charybdis operator guide v3.5'
# A shorter title for the navigation bar. Default is the same as html_title.
#
# html_short_title = None
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
#
# html_logo = None
# The name of an image file (relative to this directory) to use as a favicon of
# the docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#
# html_favicon = None
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']
# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
#
# html_extra_path = []
# If not None, a 'Last updated on:' timestamp is inserted at every page
# bottom, using the given strftime format.
# The empty string is equivalent to '%b %d, %Y'.
#
# html_last_updated_fmt = None
# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#
# html_use_smartypants = True
# Custom sidebar templates, maps document names to template names.
#
# html_sidebars = {}
# Additional templates that should be rendered to pages, maps page names to
# template names.
#
# html_additional_pages = {}
# If false, no module index is generated.
#
# html_domain_indices = True
# If false, no index is generated.
#
# html_use_index = True
# If true, the index is split into individual pages for each letter.
#
# html_split_index = False
# If true, links to the reST sources are added to the pages.
#
# html_show_sourcelink = True
# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#
# html_show_sphinx = True
# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#
# html_show_copyright = True
# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it. The value of this option must be the
# base URL from which the finished HTML is served.
#
# html_use_opensearch = ''
# This is the file name suffix for HTML files (e.g. ".xhtml").
# html_file_suffix = None
# Language to be used for generating the HTML full-text search index.
# Sphinx supports the following languages:
# 'da', 'de', 'en', 'es', 'fi', 'fr', 'hu', 'it', 'ja'
# 'nl', 'no', 'pt', 'ro', 'ru', 'sv', 'tr', 'zh'
#
# html_search_language = 'en'
# A dictionary with options for the search language support, empty by default.
# 'ja' uses this config value.
# 'zh' user can custom change `jieba` dictionary path.
#
# html_search_options = {'type': 'default'}
# The name of a javascript file (relative to the configuration directory) that
# implements a search results scorer. If empty, the default will be used.
#
# html_search_scorer = 'scorer.js'
# Output file base name for HTML help builder.
htmlhelp_basename = 'Charybdisoperatorguidedoc'
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#
# 'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#
# 'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#
# 'preamble': '',
# Latex figure (float) alignment
#
# 'figure_align': 'htbp',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
(master_doc, 'Charybdisoperatorguide.tex', u'Charybdis operator guide Documentation',
u'Jilles Tjoelker', 'manual'),
]
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#
# latex_logo = None
# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#
# latex_use_parts = False
# If true, show page references after internal links.
#
# latex_show_pagerefs = False
# If true, show URL addresses after external links.
#
# latex_show_urls = False
# Documents to append as an appendix to all manuals.
#
# latex_appendices = []
# It false, will not define \strong, \code, itleref, \crossref ... but only
# \sphinxstrong, ..., \sphinxtitleref, ... To help avoid clash with user added
# packages.
#
# latex_keep_old_macro_names = True
# If false, no module index is generated.
#
# latex_domain_indices = True
# -- Options for manual page output ---------------------------------------
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(master_doc, 'charybdisoperatorguide', u'Charybdis operator guide Documentation',
[author], 1)
]
# If true, show URL addresses after external links.
#
# man_show_urls = False
# -- Options for Texinfo output -------------------------------------------
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
(master_doc, 'Charybdisoperatorguide', u'Charybdis operator guide Documentation',
author, 'Charybdisoperatorguide', 'One line description of project.',
'Miscellaneous'),
]
# Documents to append as an appendix to all manuals.
#
# texinfo_appendices = []
# If false, no module index is generated.
#
# texinfo_domain_indices = True
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#
# texinfo_show_urls = 'footnote'
# If true, do not generate a @detailmenu in the "Top" node's menu.
#
# texinfo_no_detailmenu = False
# -- Options for Epub output ----------------------------------------------
# Bibliographic Dublin Core info.
epub_title = project
epub_author = author
epub_publisher = author
epub_copyright = copyright
# The basename for the epub file. It defaults to the project name.
# epub_basename = project
# The HTML theme for the epub output. Since the default themes are not
# optimized for small screen space, using the same theme for HTML and epub
# output is usually not wise. This defaults to 'epub', a theme designed to save
# visual space.
#
# epub_theme = 'epub'
# The language of the text. It defaults to the language option
# or 'en' if the language is not set.
#
# epub_language = ''
# The scheme of the identifier. Typical schemes are ISBN or URL.
# epub_scheme = ''
# The unique identifier of the text. This can be a ISBN number
# or the project homepage.
#
# epub_identifier = ''
# A unique identification for the text.
#
# epub_uid = ''
# A tuple containing the cover image and cover page html template filenames.
#
# epub_cover = ()
# A sequence of (type, uri, title) tuples for the guide element of content.opf.
#
# epub_guide = ()
# HTML files that should be inserted before the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#
# epub_pre_files = []
# HTML files that should be inserted after the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#
# epub_post_files = []
# A list of files that should not be packed into the epub file.
epub_exclude_files = ['search.html']
# The depth of the table of contents in toc.ncx.
#
# epub_tocdepth = 3
# Allow duplicate toc entries.
#
# epub_tocdup = True
# Choose between 'default' and 'includehidden'.
#
# epub_tocscope = 'default'
# Fix unsupported image types using the Pillow.
#
# epub_fix_images = False
# Scale large images.
#
# epub_max_image_width = 0
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#
# epub_show_urls = 'inline'
# If false, no index is generated.
#
# epub_use_index = True

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Server config file format
=========================
General format
~~~~~~~~~~~~~~
The config file consists of a series of BIND-style blocks. Each block
consists of a series of values inside it which pertain to configuration
settings that apply to the given block.
Several values take lists of values and have defaults preset inside
them. Prefix a keyword with a tilde (``~``) to override the default and
disable it.
A line may also be a .include directive, which is of the form::
.include "file"
and causes file to be read in at that point, before the rest of
the current file is processed. Relative paths are first tried relative
to ``PREFIX`` and then relative to ``ETCPATH`` (normally ``PREFIX``/etc).
Anything from a ``#`` to the end of a line is a comment. Blank lines are
ignored. C-style comments are also supported.
Specific blocks and directives
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Not all configuration blocks and directives are listed here, only the
most common ones. More blocks and directives will be documented in later
revisions of this manual.
loadmodule directive
--------------------
::
loadmodule "text";
Loads a module into the IRCd. In charybdis 1.1, most modules are
automatically loaded in. In future versions, it is intended to remove
this behaviour as to allow for easy customization of the IRCd's
featureset.
serverinfo {} block
-------------------
::
serverinfo {
name = "text";
sid = "text";
description = "text";
network_name = "text";
network_desc = "text";
hub = boolean;
vhost = "text";
vhost6 = "text";
};
The serverinfo {} block defines the core operational parameters of the
IRC server.
**serverinfo {} variables**
name
The name of the IRC server that you are configuring. This must
contain at least one dot. It is not necessarily equal to any DNS
name. This must be unique on the IRC network.
sid
A unique ID which describes the server. This consists of one digit
and two characters which can be digits or letters.
description
A user-defined field of text which describes the IRC server. This
information is used in ``/links`` and ``/whois`` requests. Geographical
location information could be a useful use of this field, but most
administrators put a witty saying inside it instead.
network\_name
The name of the IRC network that this server will be a member of.
This is used in the welcome message and ``NETWORK=`` in 005.
hub
A boolean which defines whether or not this IRC server will be
serving as a hub, i.e. have multiple servers connected to it.
vhost
An optional text field which defines an IP from which to connect
outward to other IRC servers.
vhost6
An optional text field which defines an IPv6 IP from which to
connect outward to other IRC servers.
admin {} block
--------------
::
admin {
name = "text";
description = "text";
email = "text";
};
This block provides the information which is returned by the ``ADMIN``
command.
name
The name of the administrator running this service.
description
The description of the administrator's position in the network.
email
A point of contact for the administrator, usually an e-mail address.
class {} block
--------------
::
class "name" {
ping_time = duration;
number_per_ident = number;
number_per_ip = number;
number_per_ip_global = number;
cidr_ipv4_bitlen = number;
cidr_ipv6_bitlen = number;
number_per_cidr = number;
max_number = number;
sendq = size;
};
class "name" {
ping_time = duration;
connectfreq = duration;
max_number = number;
sendq = size;
};
Class blocks define classes of connections for later use. The class name
is used to connect them to other blocks in the config file (auth{} and
connect{}). They must be defined before they are used.
Classes are used both for client and server connections, but most
variables are different.
**class {} variables: client classes**
ping\_time
The amount of time between checking pings for clients, e.g.: 2
minutes
number\_per\_ident
The amount of clients which may be connected from a single identd
username on a per-IP basis, globally. Unidented clients all count as
the same username.
number\_per\_ip
The amount of clients which may be connected from a single IP
address.
number\_per\_ip\_global
The amount of clients which may be connected globally from a single
IP address.
cidr\_ipv4\_bitlen
The netblock length to use with CIDR-based client limiting for IPv4
users in this class (between 0 and 32).
cidr\_ipv6\_bitlen
The netblock length to use with CIDR-based client limiting for IPv6
users in this class (between 0 and 128).
number\_per\_cidr
The amount of clients which may be connected from a single netblock.
If this needs to differ between IPv4 and IPv6, make different
classes for IPv4 and IPv6 users.
max\_number
The maximum amount of clients which may use this class at any given
time.
sendq
The maximum size of the queue of data to be sent to a client before
it is dropped.
**class {} variables: server classes**
ping\_time
The amount of time between checking pings for servers, e.g.: 2
minutes
connectfreq
The amount of time between autoconnects. This must at least be one
minute, as autoconnects are evaluated with that granularity.
max\_number
The amount of servers to autoconnect to in this class. More
precisely, no autoconnects are done if the number of servers in this
class is greater than or equal max\_number
sendq
The maximum size of the queue of data to be sent to a server before
it is dropped.
auth {} block
-------------
::
auth {
user = "hostmask";
password = "text";
spoof = "text";
flags = list;
class = "text";
};
auth {} blocks allow client connections to the server, and set various
properties concerning those connections.
Auth blocks are evaluated from top to bottom in priority, so put special
blocks first.
auth {} variables
~~~~~~~~~~~~~~~~~
user
A hostmask (``user@host``) that the auth {} block applies to. It is
matched against the hostname and IP address (using :: shortening for
IPv6 and prepending a 0 if it starts with a colon) and can also use
CIDR masks. You can have multiple user entries.
password
An optional password to use for authenticating into this auth{}
block. If the password is wrong the user will not be able to connect
(will not fall back on another auth{} block).
spoof
An optional fake hostname (or ``user@host``) to apply to users
authenticated to this auth{} block. In ``STATS i`` and ``TESTLINE``, an
equals sign (=) appears before the ``user@host`` and the spoof is shown.
flags
A list of flags to apply to this ``auth{}`` block. They are listed
below. Some of the flags appear as a special character,
parenthesized in the list, before the ``user@host`` in ``STATS i`` and
``TESTLINE``.
class
A name of a class to put users matching this auth{} block into.
auth {} flags
~~~~~~~~~~~~~
encrypted
The password used has been encrypted.
spoof\_notice
Causes the IRCd to send out a server notice when activating a spoof
provided by this auth{} block.
exceed\_limit (>)
Users in this auth{} block can exceed class-wide limitations.
dnsbl\_exempt ($)
Users in this auth{} block are exempted from DNS blacklist checks.
However, they will still be warned if they are listed.
kline\_exempt (^)
Users in this auth{} block are exempted from DNS blacklists, k:lines
and x:lines.
spambot\_exempt
Users in this auth{} block are exempted from spambot checks.
shide\_exempt
Users in this auth{} block are exempted from some serverhiding
effects.
jupe\_exempt
Users in this auth{} block do not trigger an alarm when joining
juped channels.
resv\_exempt
Users in this auth{} block may use reserved nicknames and channels.
.. note:: The initial nickname may still not be reserved.
flood\_exempt (\|) Users in this auth{} block may send arbitrary
amounts of commands per time unit to the server. This does not
exempt them from any other flood limits. You should use this
setting with caution.
no\_tilde (-)
Users in this auth{} block will not have a tilde added to their
username if they do not run identd.
need\_ident (+)
Users in this auth{} block must have identd, otherwise they will be
rejected.
need\_ssl
Users in this auth{} block must be connected via SSL/TLS, otherwise
they will be rejected.
need\_sasl
Users in this auth{} block must identify via SASL, otherwise they
will be rejected.
exempt {} block
---------------
::
exempt {
ip = "ip";
};
An exempt block specifies IP addresses which are exempt from ``D:lines`` and
throttling. Multiple addresses can be specified in one block. Clients
coming from these addresses can still be ``K/G/X:lined`` or banned by a DNS
blacklist unless they also have appropriate flags in their auth{} block.
**exempt {} variables**
ip
The IP address or CIDR range to exempt.
privset {} block
----------------
::
privset {
extends = "name";
privs = list;
};
A privset (privilege set) block specifies a set of operator privileges.
**privset {} variables**
extends
An optional privset to inherit. The new privset will have all
privileges that the given privset has.
privs
Privileges to grant to this privset. These are described in the
operator privileges section.
operator {} block
-----------------
::
operator "name" {
user = "hostmask";
password = "text";
rsa_public_key_file = "text";
umodes = list;
snomask = "text";
flags = list;
};
Operator blocks define who may use the ``OPER`` command to gain extended
privileges.
**operator {} variables**
user
A hostmask that users trying to use this operator {} block must
match. This is checked against the original host and IP address;
CIDR is also supported. So auth {} spoofs work in operator {}
blocks; the real host behind them is not checked. Other kind of
spoofs do not work in operator {} blocks; the real host behind them
is checked.
Note that this is different from charybdis 1.x where all kinds of
spoofs worked in operator {} blocks.
password
A password used with the ``OPER`` command to use this operator {} block.
Passwords are encrypted by default, but may be unencrypted if
~encrypted is present in the flags list.
rsa\_public\_key\_file
An optional path to a RSA public key file associated with the
operator {} block. This information is used by the ``CHALLENGE``
command, which is an alternative authentication scheme to the
traditional ``OPER`` command.
umodes
A list of usermodes to apply to successfully opered clients.
snomask
An snomask to apply to successfully opered clients.
privset
The privilege set granted to successfully opered clients. This must
be defined before this operator{} block.
flags
A list of flags to apply to this operator{} block. They are listed
below.
**operator {} flags**
encrypted
The password used has been encrypted. This is enabled by default,
use ~encrypted to disable it.
need\_ssl
Restricts use of this operator{} block to SSL/TLS connections only.
connect {} block
----------------
::
connect "name" {
host = "text";
send_password = "text";
accept_password = "text";
port = number;
hub_mask = "mask";
leaf_mask = "mask";
class = "text";
flags = list;
aftype = protocol;
};
Connect blocks define what servers may connect or be connected to.
**connect {} variables**
host
The hostname or IP to connect to.
.. note:: Furthermore, if a hostname is used, it must have an
``A`` or ``AAAA`` record (no ``CNAME``) and it must be
the primary hostname for inbound connections to work.
IPv6 addresses must be in ``::`` shortened form; addresses which
then start with a colon must be prepended with a zero, for
example ``0::1``.
send\_password
The password to send to the other server.
accept\_password
The password that should be accepted from the other server.
port
The port on the other server to connect to.
hub\_mask
An optional domain mask of servers allowed to be introduced by this
link. Usually, "\*" is fine. Multiple hub\_masks may be specified,
and any of them may be introduced. Violation of hub\_mask and
leaf\_mask restrictions will cause the local link to be closed.
leaf\_mask
An optional domain mask of servers not allowed to be introduced by
this link. Multiple leaf\_masks may be specified, and none of them
may be introduced. leaf\_mask has priority over hub\_mask.
class
The name of the class this server should be placed into.
flags
A list of flags concerning the connect block. They are listed below.
aftype
The protocol that should be used to connect with, either ipv4 or
ipv6. This defaults to ipv4 unless host is a numeric IPv6 address.
**connect {} flags**
encrypted
The value for accept\_password has been encrypted.
autoconn
The server should automatically try to connect to the server defined
in this connect {} block if it's not connected already and
max\_number in the class is not reached yet.
compressed
Ziplinks should be used with this server connection. This compresses
traffic using zlib, saving some bandwidth and speeding up netbursts.
If you have trouble setting up a link, you should turn this off as
it often hides error messages.
topicburst
Topics should be bursted to this server.
This is enabled by default.
listen {} block
---------------
::
listen {
host = "text";
port = number;
};
A listen block specifies what ports a server should listen on.
**listen {} variables**
host
An optional host to bind to. Otherwise, the ircd will listen on all
available hosts.
port
A port to listen on. You can specify multiple ports via commas, and
define a range by seperating the start and end ports with two dots
(..).
modules {} block
----------------
::
modules {
path = "text";
module = text;
};
The modules block specifies information for loadable modules.
**modules {} variables**
path
Specifies a path to search for loadable modules.
module
Specifies a module to load, similar to loadmodule.
general {} block
----------------
::
modules {
values
};
The general block specifies a variety of options, many of which were in
``config.h`` in older daemons. The options are documented in
``reference.conf``.
channel {} block
----------------
::
modules {
values
};
The channel block specifies a variety of channel-related options, many
of which were in ``config.h`` in older daemons. The options are
documented in ``reference.conf``.
serverhide {} block
-------------------
::
modules {
values
};
The serverhide block specifies options related to server hiding. The
options are documented in ``reference.conf``.
blacklist {} block
------------------
::
blacklist {
host = "text";
reject_reason = "text";
};
The blacklist block specifies DNS blacklists to check. Listed clients
will not be allowed to connect. IPv6 clients are not checked against
these.
Multiple blacklists can be specified, in pairs with first host then
reject\_reason.
**blacklist {} variables**
host
The DNSBL to use.
reject\_reason
The reason to send to listed clients when disconnecting them.
alias {} block
--------------
::
alias "name" {
target = "text";
};
Alias blocks allow the definition of custom commands. These commands
send ``PRIVMSG`` to the given target. A real command takes precedence above
an alias.
**alias {} variables**
target
The target nick (must be a network service (umode ``+S``)) or
user@server. In the latter case, the server cannot be this server,
only opers can use user starting with "opers" reliably and the user
is interpreted on the target server only so you may need to use
nick@server instead).
cluster {} block
----------------
::
cluster {
name = "text";
flags = list;
};
The cluster block specifies servers we propagate things to
automatically. This does not allow them to set bans, you need a separate
shared{} block for that.
Having overlapping cluster{} items will cause the command to be executed
twice on the target servers. This is particularly undesirable for ban
removals.
The letters in parentheses denote the flags in ``/stats`` U.
**cluster {} variables**
name
The server name to share with, this may contain wildcards and may be
stacked.
flags
The list of what to share, all the name lines above this (up to
another flags entry) will receive these flags. They are listed
below.
**cluster {} flags**
kline (K)
Permanent ``K:lines``
tkline (k)
Temporary ``K:lines``
unkline (U)
``K:line`` removals
xline (X)
Permanent ``X:lines``
txline (x)
Temporary ``X:lines``
unxline (Y)
``X:line`` removals
resv (Q)
Permanently reserved nicks/channels
tresv (q)
Temporarily reserved nicks/channels
unresv (R)
``RESV`` removals
locops (L)
``LOCOPS`` messages (sharing this with \* makes ``LOCOPS`` rather similar to
``OPERWALL`` which is not useful)
all
All of the above
shared {} block
---------------
::
shared {
oper = "user@host", "server";
flags = list;
};
The shared block specifies opers allowed to perform certain actions on
our server remotely. These are ordered top down. The first one matching
will determine the oper's access. If access is denied, the command will
be silently ignored.
The letters in parentheses denote the flags in ``/stats U``.
**shared {} variables**
oper
The user@host the oper must have, and the server they must be on.
This may contain wildcards.
flags
The list of what to allow, all the oper lines above this (up to
another flags entry) will receive these flags. They are listed
below.
.. note:: While they have the same names, the flags have subtly
different meanings from those in the cluster{} block.
**shared {} flags**
kline (K)
Permanent and temporary ``K:lines``
tkline (k)
Temporary ``K:lines``
unkline (U)
``K:line`` removals
xline (X)
Permanent and temporary ``X:lines``
txline (x)
Temporary ``X:lines``
unxline (Y)
``X:line`` removals
resv (Q)
Permanently and temporarily reserved nicks/channels
tresv (q)
Temporarily reserved nicks/channels
unresv (R)
``RESV`` removals
all
All of the above; this does not include locops, rehash, dline,
tdline or undline.
locops (L)
``LOCOPS`` messages (accepting this from \* makes ``LOCOPS`` rather similar
to ``OPERWALL`` which is not useful); unlike the other flags, this can
only be accepted from \*@\* although it can be restricted based on
source server.
rehash (H)
``REHASH`` commands; all options can be used
dline (D)
Permanent and temporary ``D:lines``
tdline (d)
Temporary ``D:lines``
undline (E)
``D:line`` removals
none
Allow nothing to be done
service {} block
----------------
::
service {
name = "text";
};
The service block specifies privileged servers (services). These servers
have extra privileges such as setting login names on users and
introducing clients with umode ``+S`` (unkickable, hide channels, etc). This
does not allow them to set bans, you need a separate shared{} block for
that.
Do not place normal servers here.
Multiple names may be specified but there may be only one service{}
block.
**service {} variables**
name
The server name to grant special privileges. This may not contain
wildcards.
Hostname resolution (DNS)
~~~~~~~~~~~~~~~~~~~~~~~~~
Charybdis uses solely DNS for all hostname/address lookups (no
``/etc/hosts`` or anything else). The DNS servers are taken from
``/etc/resolv.conf``. If this file does not exist or no valid IP
addresses are listed in it, the local host (``127.0.0.1``) is used. (Note
that the latter part did not work in older versions of Charybdis.)
IPv4 as well as IPv6 DNS servers are supported, but it is not possible
to use both IPv4 and IPv6 in ``/etc/resolv.conf``.
For both security and performance reasons, it is recommended that a
caching nameserver such as BIND be run on the same machine as Charybdis
and that ``/etc/resolv.conf`` only list ``127.0.0.1``.

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.. Charybdis operator guide documentation master file, created by
sphinx-quickstart on Sat Mar 25 10:41:29 2017.
You can adapt this file completely to your liking, but it should at least
contain the root `toctree` directive.
============================================
Operators guide for the charybdis IRC server
============================================
Contents:
.. toctree::
:maxdepth: 1
intro
umodes
cmodes
ucommands
commands
oprivs
config
Indices and tables
==================
* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`

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Scope of this document
======================
This document describes the commands and functions available to
operators in the charybdis ircd, as used on
`AthemeNet <http://www.atheme.net>`__.
This document, and various ideas for features of charybdis, have been
taken from dancer-ircd/hyperion, the ircd used on freenode, mainly
written by Andrew Suffield and Jilles Tjoelker.
While this document may be of some interest to the users of charybdis
servers, it is intended as a reference for network staff.
Charybdis is based on ircd-ratbox 2.1.4, although much has changed.
`ircd-ratbox <http://www.ircd-ratbox.org>`__ is commonly used on efnet,
and some other networks.

281
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@ECHO OFF
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)
set BUILDDIR=_build
set ALLSPHINXOPTS=-d %BUILDDIR%/doctrees %SPHINXOPTS% .
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if NOT "%PAPER%" == "" (
set ALLSPHINXOPTS=-D latex_paper_size=%PAPER% %ALLSPHINXOPTS%
set I18NSPHINXOPTS=-D latex_paper_size=%PAPER% %I18NSPHINXOPTS%
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for /d %%i in (%BUILDDIR%\*) do rmdir /q /s %%i
del /q /s %BUILDDIR%\*
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REM Check if sphinx-build is available and fallback to Python version if any
%SPHINXBUILD% 1>NUL 2>NUL
if errorlevel 9009 goto sphinx_python
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:sphinx_python
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:end

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Oper privileges
===============
These are specified in privset{}.
oper:admin, server administrator
--------------------------------
Various privileges intended for server administrators. Among other
things, this automatically sets umode +a and allows loading modules.
oper:die, die and restart
-------------------------
This grants permission to use ``DIE`` and ``RESTART``, shutting down or
restarting the server.
oper:global\_kill, global kill
------------------------------
Allows using ``KILL`` on users on any server.
oper:hidden, hide from /stats p
-------------------------------
This privilege currently does nothing, but was designed to hide bots
from /stats p so users will not message them for help.
oper:hidden\_admin, hidden administrator
----------------------------------------
This grants everything granted to the oper:admin privilege, except the
ability to set umode +a. If both oper:admin and oper:hidden\_admin are
possessed, umode +a can still not be used.
oper:kline, kline and dline
---------------------------
Allows using ``KLINE`` and ``DLINE``, to ban users by user@host mask or IP
address.
oper:local\_kill, kill local users
----------------------------------
This grants permission to use ``KILL`` on users on the same server,
disconnecting them from the network.
oper:mass\_notice, global notices and wallops
---------------------------------------------
Allows using server name ($$mask) and hostname ($#mask) masks in ``NOTICE``
and ``PRIVMSG`` to send a message to all matching users, and allows using
the ``WALLOPS`` command to send a message to all users with umode +w set.
oper:operwall, send/receive operwall
------------------------------------
Allows using the ``OPERWALL`` command and umode +z to send and receive
operwalls.
oper:rehash, rehash
-------------------
Allows using the ``REHASH`` command, to rehash various configuration files
or clear certain lists.
oper:remoteban, set remote bans
-------------------------------
This grants the ability to use the ON argument on ``DLINE``/``KLINE``/``XLINE``/``RESV``
and ``UNDLINE``/``UNKLINE``/``UNXLINE``/``UNRESV`` to set and unset bans on other
servers, and the server argument on ``REHASH``. This is only allowed if the
oper may perform the action locally, and if the remote server has a
shared{} block.
.. note:: If a cluster{} block is present, bans are sent remotely even
if the oper does not have oper:remoteban privilege.
oper:resv, channel control
--------------------------
This allows using /resv, /unresv and changing the channel modes +L and
+P.
oper:routing, remote routing
----------------------------
This allows using the third argument of the ``CONNECT`` command, to instruct
another server to connect somewhere, and using ``SQUIT`` with an argument
that is not locally connected. (In both cases all opers with +w set will
be notified.)
oper:spy, use operspy
---------------------
This allows using ``/mode !#channel``, ``/whois !nick``, ``/who !#channel``,
``/chantrace !#channel``, ``/topic !#channel``, ``/who !mask``, ``/masktrace
!user@host :gecos`` and ``/scan umodes +modes-modes global list`` to see
through secret channels, invisible users, etc.
All operspy usage is broadcasted to opers with snomask ``+Z`` set (on the
entire network) and optionally logged. If you grant this to anyone, it
is a good idea to establish concrete policies describing what it is to
be used for, and what not.
If ``operspy_dont_care_user_info`` is enabled, ``/who mask`` is operspy
also, and ``/who !mask``, ``/who mask``, ``/masktrace !user@host :gecos`` and ``/scan
umodes +modes-modes global list`` do not generate ``+Z`` notices or logs.
oper:unkline, unkline and undline
---------------------------------
Allows using ``UNKLINE`` and ``UNDLINE``.
oper:xline, xline and unxline
-----------------------------
Allows using ``XLINE`` and ``UNXLINE``, to ban/unban users by realname.
snomask:nick\_changes, see nick changes
---------------------------------------
Allows using snomask ``+n`` to see local client nick changes. This is
designed for monitor bots.

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User Commands
=============
Standard IRC commands are not listed here. Several of the commands in
the operator commands chapter can also be used by normal users.
ACCEPT
------
::
ACCEPT nick, -nick, ...
Adds or removes users from your accept list for umode +g and +R. Users
are automatically removed when they quit, split or change nick.
::
ACCEPT *
Lists all users on your accept list.
Support of this command is indicated by the ``CALLERID`` token in
``RPL_ISUPPORT`` (005); the optional parameter indicates the letter of the
“only allow accept users to send private messages” umode, otherwise +g.
In charybdis this is always +g.
CNOTICE
-------
::
CNOTICE nick channel :text
Providing you are opped (+o) or voiced (+v) in channel, and nick is a
member of channel, ``CNOTICE`` generates a ``NOTICE`` towards nick.
``CNOTICE`` bypasses any anti-spam measures in place. If you get “Targets
changing too fast, message dropped”, you should probably use this
command, for example sending a notice to every user joining a certain
channel.
As of charybdis 3.1, ``NOTICE`` automatically behaves as ``CNOTICE`` if you are
in a channel fulfilling the conditions.
Support of this command is indicated by the ``CNOTICE`` token in
``RPL_ISUPPORT`` (005).
CPRIVMSG
--------
::
CPRIVMSG nick channel :text
Providing you are opped (+o) or voiced (+v) in channel, and nick is a
member of channel, ``CPRIVMSG`` generates a ``PRIVMSG`` towards nick.
``CPRIVMSG`` bypasses any anti-spam measures in place. If you get “Targets
changing too fast, message dropped”, you should probably use this
command.
As of charybdis 3.1, ``PRIVMSG`` automatically behaves as ``CPRIVMSG`` if you
are in a channel fulfilling the conditions.
Support of this command is indicated by the ``CPRIVMSG`` token in
``RPL_ISUPPORT`` (005).
FINDFORWARDS
------------
::
FINDFORWARDS channel
.. note:: This command is only available if the ``m_findforwards.so``
extension is loaded.
Displays which channels forward to the given channel (via cmode +f). If
there are very many channels the list will be truncated.
You must be a channel operator on the channel or an IRC operator to use
this command.
HELP
----
::
HELP [topic]
Displays help information. topic can be ``INDEX``, ``CREDITS``, ``UMODE``, ``CMODE``,
``SNOMASK`` or a command name.
There are separate help files for users and opers. Opers can use ``UHELP``
to query the user help files.
IDENTIFY
--------
::
IDENTIFY parameters...
.. note:: This command is only available if the ``m_identify.so``
extension is loaded.
Sends an identify command to either NickServ or ChanServ. If the first
parameter starts with #, the command is sent to ChanServ, otherwise to
NickServ. The word ``IDENTIFY``, a space and all parameters are concatenated
and sent as a ``PRIVMSG`` to the service. If the service is not online or
does not have umode +S set, no message will be sent.
The exact syntax for this command depends on the services package in
use.
KNOCK
-----
::
KNOCK channel
Requests an invite to the given channel. The channel must be locked
somehow (+ikl), must not be +p and you may not be banned or quieted.
Also, this command is rate limited.
If successful, all channel operators will receive a 710 numeric. The
recipient field of this numeric is the channel.
Support of this command is indicated by the ``KNOCK`` token in ``RPL_ISUPPORT``
(005).
MONITOR
-------
Server side notify list. This list contains nicks. When a user connects,
quits with a listed nick or changes to or from a listed nick, you will
receive a 730 numeric if the nick went online and a 731 numeric if the
nick went offline.
Support of this command is indicated by the ``MONITOR`` token in
``RPL_ISUPPORT`` (005); the parameter indicates the maximum number of
nicknames you may have in your monitor list.
You may only use this command once per second.
More details can be found in ``doc/monitor.txt`` in the source
distribution.
::
MONITOR + nick, ...
Adds nicks to your monitor list. You will receive 730 and 731 numerics
for the nicks.
::
MONITOR - nick, ...
Removes nicks from your monitor list. No output is generated for this
command.
::
MONITOR C
Clears your monitor list. No output is generated for this command.
::
MONITOR L
Lists all nicks on your monitor list, using 732 numerics and ending with
a 733 numeric.
::
MONITOR S
Shows status for all nicks on your monitor list, using 730 and 731
numerics.

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User modes
==========
``+a``, server administrator
----------------------------
This vanity usermode is used to denote a server administrator in WHOIS
output. All local “admin” privileges are independent of it, though
services packages may grant extra privileges to ``+a`` users.
``+D``, deaf
------------
.. note:: This is a user umode, which anybody can set. It is not
specific to operators.
Users with the ``+D`` umode set will not receive messages sent to channels.
Joins, parts, topic changes, mode changes, etc are received as normal,
as are private messages.
Support of this umode is indicated by the ``DEAF`` token in ``RPL_ISUPPORT``
(005); the parameter indicates the letter of the umode. Note that
several common IRCD implementations have an umode like this (typically
``+d``) but do not have the token in 005.
``+g``, Caller ID
-----------------
.. note:: This is a user umode, which anybody can set. It is not
specific to operators.
Users with the ``+g`` umode set will only receive private messages
from users on a session-defined whitelist, defined by the ``/accept``
command. If a user who is not on the whitelist attempts to send a
private message, the target user will receive a rate-limited notice
saying that the user wishes to speak to them.
Network operators are not affected by the callerid whitelist system in
the event that they need to speak to users who have it enabled.
Support of this umode is indicated by the ``CALLERID`` token in
``RPL_ISUPPORT`` (005); the optional parameter indicates the letter of
the umode, otherwise ``+g``.
``+i``, invisible
-----------------
.. note:: This is a user umode, which anybody can set. It is not
specific to operators.
Invisible users do not show up in ``WHO`` and ``NAMES`` unless you can see them.
``+l``, receive locops
----------------------
``LOCOPS`` is a version of ``OPERWALL`` that is sent to opers on a single server
only. With cluster{} and shared{} blocks they can optionally be
propagated further.
Unlike ``OPERWALL``, any oper can send and receive ``LOCOPS``.
``+o``, operator
----------------
This indicates global operator status.
``+Q``, disable forwarding
--------------------------
.. note:: This is a user umode, which anybody can set. It is not
specific to operators.
This umode prevents you from being affected by channel forwarding. If
enabled on a channel, channel forwarding sends you to another channel if
you could not join. See channel mode ``+f`` for more information.
``+R``, reject messages from unauthenticated users
--------------------------------------------------
.. note:: This is a user umode, which anybody can set. It is not
specific to operators.
If a user has the ``+R`` umode set, then any users who are not authenticated
will receive an error message if they attempt to send a private message
or notice to the ``+R`` user.
Opers and accepted users (like in ``+g``) are exempt. Unlike ``+g``, the target
user is not notified of failed messages.
``+s``, receive server notices
------------------------------
This umode allows an oper to receive server notices. The requested types
of server notices are specified as a parameter (“snomask”) to this
umode.
``+S``, network service
-----------------------
.. note:: This umode can only be set by servers named in a service{}
block.
This umode grants various features useful for services. For example,
clients with this umode cannot be kicked or deopped on channels, can
send to any channel, do not show channels in ``WHOIS``, can be the target of
services aliases and do not appear in ``/stats p``. No server notices are
sent for hostname changes by services clients; server notices about
kills are sent to snomask ``+k`` instead of ``+s``.
The exact effects of this umode are variable; no user or oper on an
actual charybdis server can set it.
``+w``, receive wallops
-----------------------
.. note:: This is a user umode, which anybody can set. It is not
specific to operators.
Users with the ``+w`` umode set will receive ``WALLOPS`` messages sent by opers.
Opers with ``+w`` additionally receive ``WALLOPS`` sent by servers (e.g. remote
``CONNECT``, remote ``SQUIT``, various severe misconfigurations, many services
packages).
``+z``, receive operwall
------------------------
``OPERWALL`` differs from ``WALLOPS`` in that the ability to receive such
messages is restricted. Opers with ``+z`` set will receive ``OPERWALL``
messages.
``+Z``, SSL user
----------------
This umode is set on clients connected via SSL/TLS. It cannot be set or
unset after initial connection.
Snomask usage
=============
Usage is as follows::
MODE nick +s +/-flags
To set snomasks.
::
MODE nick -s
To clear all snomasks.
Umode ``+s`` will be set if at least one snomask is set.
Umode ``+s`` is oper only by default, but even if you allow nonopers to set
it, they will not get any server notices.
Meanings of server notice masks
===============================
``+b``, bot warnings
--------------------
Opers with the ``+b`` snomask set will receive warning messages from the
server when potential flooders and spambots are detected.
``+c``, client connections
--------------------------
Opers who have the ``+c`` snomask set will receive server notices when
clients attach to the local server.
``+C``, extended client connection notices
------------------------------------------
Opers who have the ``+C`` snomask set will receive server notices when
clients attach to the local server. Unlike the ``+c`` snomask, the
information is displayed in a format intended to be parsed by scripts,
and includes the two unused fields of the ``USER`` command.
``+d``, debug
-------------
The ``+d`` snomask provides opers extra information which may be of interest
to debuggers. It will also cause the user to receive server notices if
certain assertions fail inside the server. Its precise meaning is
variable. Do not depend on the effects of this snomask as they can and
will change without notice in later revisions.
``+f``, full warning
--------------------
Opers with the ``+f`` snomask set will receive notices when a user
connection is denied because a connection limit is exceeded (one of the
limits in a class{} block, or the total per-server limit settable with
``/quote set max``).
``+F``, far client connection notices
-------------------------------------
.. note:: This snomask is only available if the ``sno_farconnect.so``
extension is loaded.
Opers with ``+F`` receive server notices when clients connect or disconnect
on other servers. The notices have the same format as those from the ``+c``
snomask, except that the class is ? and the source server of the notice
is the server the user is/was on.
No notices are generated for netsplits and netjoins. Hence, these
notices cannot be used to keep track of all clients on the network.
There is no far equivalent of the ``+C`` snomask.
``+k``, server kill notices
---------------------------
Opers with the ``+k`` snomask set will receive server notices when services
kill users and when other servers kill and save (forced nick change to
UID) users. Kills and saves by this server are on ``+d`` or ``+s``.
``+n``, nick change notices
---------------------------
An oper with ``+n`` set will receive a server notice every time a local user
changes their nick, giving the old and new nicks. This is mostly useful
for bots that track all users on a single server.
``+r``, notices on name rejections
----------------------------------
Opers with this snomask set will receive a server notice when somebody
tries to use an invalid username, or if a dumb HTTP proxy tries to
connect.
``+s``, generic server notices
------------------------------
This snomask allows an oper to receive generic server notices. This
includes kills from opers (except services).
``+u``, unauthorized connections
--------------------------------
This snomask allows an oper to see when users try to connect who do not
have an available auth{} block.
``+W``, whois notifications
---------------------------
.. note:: This snomask is only available if the ``sno_whois.so``
extension is loaded.
Opers with ``+W`` receive notices when a ``WHOIS`` is executed on them on their
server (showing idle time).
``+x``, extra routing notices
-----------------------------
Opers who have the ``+x`` snomask set will get notices about servers
connecting and disconnecting on the whole network. This includes all
servers connected behind the affected link. This can get rather noisy
but is useful for keeping track of all linked servers.
``+y``, spy
-----------
Opers with ``+y`` receive notices when users try to join ``RESV``'ed (“juped”)
channels. Additionally, if certain extension modules are loaded, they
will receive notices when special commands are used.
``+Z``, operspy notices
-----------------------
Opers with ``+Z`` receive notices whenever an oper anywhere on the network
uses operspy.
This snomask can be configured to be only effective for admins.

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<!DOCTYPE Book PUBLIC "-//OASIS//DTD DocBook V4.2//EN" [
<!ENTITY intro SYSTEM "intro.sgml">
<!ENTITY oprivs SYSTEM "oprivs.sgml">
<!ENTITY umodes SYSTEM "umodes.sgml">
<!ENTITY cmodes SYSTEM "cmodes.sgml">
<!ENTITY ucommands SYSTEM "ucommands.sgml">
<!ENTITY commands SYSTEM "commands.sgml">
<!ENTITY config SYSTEM "config.sgml">
]>
<book id="charybdis-oper-guide">
<bookinfo>
<date>2009</date>
<title>Operators guide for the charybdis IRC server</title>
<author>
<firstname>William</firstname>
<surname>Pitcock</surname>
</author>
<author>
<firstname>Jilles</firstname>
<surname>Tjoelker</surname>
</author>
<copyright>
<year>2005-2009</year>
<holder>William Pitcock and Jilles Tjoelker</holder>
</copyright>
<legalnotice>
<para>
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU
General Public License, Version 2 or any later version published by the Free Software Foundation
</para>
</legalnotice>
</bookinfo>
<toc>
</toc>
&intro;
&umodes;
&cmodes;
&ucommands;
&commands;
&oprivs;
&config;
</book>
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<chapter id="cmodes">
<title>Cmodes</title>
<sect1>
<title>Meanings of channel modes</title>
<sect2>
<title>+b, channel ban</title>
<para>
Bans take one parameter which can take several forms.
The most common form is +b nick!user@host.
The wildcards * and ? are allowed, matching zero-or-more, and
exactly-one characters respectively. The masks will be trimmed to fit the maximum allowable
length for the relevant element.
Bans are also checked against the IP address, even if it resolved or
is spoofed.
CIDR is supported, like *!*@10.0.0.0/8. This is most useful with
IPv6.
Bans are not checked against the real hostname behind any kind
of spoof, except if host mangling is in use (e.g.
<filename>extensions/ip_cloaking.so</filename>):
if the user's host is mangled, their real hostname is checked
additionally, and if a user has no spoof but could enable mangling,
the mangled form of their hostname is checked additionally.
Hence, it is not possible to evade bans by toggling
host mangling.
</para>
<para>
The second form (extban) is +b $type or +b $type:data.
type is a single character (case insensitive) indicating the
type of match, optionally preceded by a tilde (~) to negate the
comparison. data depends on type. Each type is loaded as a module.
The available types (if any)
are listed in the EXTBAN token of the 005 (RPL_ISUPPORT) numeric.
See <filename>doc/extban.txt</filename> in the source distribution
for more information.
</para>
<para>
If no parameter is given, the list of bans is returned. All users
can use this form. The plus sign should also be omitted.
</para>
<para>
Matching users will not be allowed to join the channel or knock
on it. If they are already on the channel, they may not send to
it or change their nick.
</para>
</sect2>
<sect2>
<title>+c, colour filter</title>
<para>
This cmode activates the colour filter for the channel. This filters out bold, underline,
reverse video, beeps, mIRC colour codes, and ANSI escapes. Note that escape sequences will
usually leave cruft sent to the channel, just without the escape characters themselves.
</para>
</sect2>
<sect2>
<title>+e, ban exemption</title>
<para>
This mode takes one parameter of the same form as bans, which
overrides +b and +q bans for all clients it matches.
</para>
<para>
This can be useful if it is necessary to ban an entire ISP
due to persistent abuse, but some users from that ISP should
still be allowed in. For example:
/mode #channel +be *!*@*.example.com *!*someuser@host3.example.com
</para>
<para>
Only channel operators can see +e changes or request the list.
</para>
</sect2>
<sect2>
<title>+f, channel forwarding</title>
<para>
This mode takes one parameter, the name of a channel (+f #channel). If the channel also has the
+i cmode set, and somebody attempts to join without either being expliticly invited, or having
an invex (+I), then they will instead join the channel named in the mode parameter. The client
will also be sent a 470 numeric giving the original and target channels.
</para>
<para>
Users are similarly forwarded if the +j cmode is set and their attempt to join is throttled,
if +l is set and there are already too many users in the channel
or if +r is set and they are not identified.
</para>
<para>
Forwards may only be set to +F channels, or to channels the setter
has ops in.
</para>
<para>
Without parameter (/mode #channel f or /mode #channel +f) the
forward channel is returned. This form also works off channel.
</para>
</sect2>
<sect2>
<title>+F, allow anybody to forward to this</title>
<para>
When this mode is set, anybody may set a forward from a channel
they have ops in to this channel. Otherwise they have to have ops
in this channel.
</para>
</sect2>
<sect2>
<title>+g, allow anybody to invite</title>
<para>
When this mode is set, anybody may use the INVITE command on the channel in question. When it
is unset, only channel operators may use the INVITE command.
</para>
<para>
When this mode is set together with +i, +j, +l or +r, all channel members can influence who can join.
</para>
</sect2>
<sect2>
<title>+i, invite only</title>
<para>
When this cmode is set, no client can join the channel unless they have an invex (+I) or are
invited with the INVITE command.
</para>
</sect2>
<sect2>
<title>+I, invite exception (invex)</title>
<para>
This mode takes one parameter of the same form as bans. Matching
clients do not need to be invited to join the channel when it is invite-only (+i).
Unlike the INVITE command, this does not override +j, +l and +r.
</para>
<para>
Only channel operators can see +I changes or request the list.
</para>
</sect2>
<sect2>
<title>+j, join throttling</title>
<para>
This mode takes one parameter of the form <replaceable>n</replaceable>:<replaceable>t</replaceable>, where <replaceable>n</replaceable> and <replaceable>t</replaceable> are positive integers. Only <replaceable>n</replaceable> users may join in each period of <replaceable>t</replaceable> seconds.
</para>
<para>
Invited users can join regardless of +j, but are counted as normal.
</para>
<para>
Due to propagation delays between servers, more users may be
able to join (by racing for the last slot on each server).
</para>
</sect2>
<sect2>
<title>+k, key (channel password)</title>
<para>
Taking one parameter, when set, this mode requires a user to supply the key in order to join
the channel: /JOIN #channel key.
</para>
</sect2>
<sect2>
<title>+l, channel member limit</title>
<para>
Takes one numeric parameter, the number of users which are allowed to be in the channel before
further joins are blocked.
Invited users may join regardless.
</para>
<para>
Due to propagation delays between servers, more users may be
able to join (by racing for the last slot on each server).
</para>
</sect2>
<sect2>
<title>+L, large ban list</title>
<para>
Channels with this mode will be allowed larger banlists (by default,
500 instead of 50 entries for +b, +q, +e and +I together).
Only network operators with resv privilege may set this mode.
</para>
</sect2>
<sect2>
<title>+m, moderated</title>
<para>
When a channel is set +m, only users with +o or +v on the channel can send to it.
</para>
<para>
Users can still knock on the channel or change their nick.
</para>
</sect2>
<sect2>
<title>+n, no external messages</title>
<para>
When set, this mode prevents users from sending to the channel without being in it themselves.
This is recommended.
</para>
</sect2>
<sect2>
<title>+o, channel operator</title>
<para>
This mode takes one parameter, a nick, and grants or removes channel
operator privilege to that user. Channel operators have full control
over the channel, having the ability to set all channel modes except
+L and +P, and kick users.
Like voiced users, channel operators can always
send to the channel, overriding +b, +m and +q modes and the
per-channel flood limit.
In most clients channel operators are marked with an '@' sign.
</para>
<para>
The privilege is lost if the user leaves the channel or server
in any way.
</para>
<para>
Most networks will run channel registration services (e.g. ChanServ)
which ensure the founder (and users designated by the founder) can
always gain channel operator privileges and provide some features
to manage the channel.
</para>
</sect2>
<sect2>
<title>+p, paranoid channel</title>
<para>
When set, the KNOCK command cannot be used on the channel
to request an invite, and users will not be shown the
channel in WHOIS replies unless they are on it.
Unlike in traditional IRC, +p and +s can be set together.
</para>
</sect2>
<sect2>
<title>+P, permanent channel</title>
<para>
Channels with this mode (which is accessible only to network operators with resv privilege) set will not be destroyed
when the last user leaves.
</para>
<para>
This makes it less likely modes, bans and the topic will be lost and
makes it harder to abuse network splits, but also causes more
unwanted restoring of old modes, bans and topics after long splits.
</para>
</sect2>
<sect2>
<title>+q, quiet</title>
<para>
This mode behaves exactly like +b (ban), except that the user may still join
the channel. The net effect is that they cannot knock on the channel,
send to the channel or change their nick while on channel.
</para>
</sect2>
<sect2>
<title>+Q, block forwarded users</title>
<para>
Channels with this mode set are not valid targets for forwarding. Any attempt to forward to
this channel will be ignored, and the user will be handled as if the attempt was never made (by
sending them the relevant error message).
</para>
<para>
This does not affect the ability to set +f.
</para>
</sect2>
<sect2>
<title>+r, block unidentified</title>
<para>
When set, this mode prevents unidentified users from joining.
Invited users can still join.
</para>
</sect2>
<!-- not planned (jilles)
<sect2>
<title>+R, quiet unidentified</title>
<para>
When set, this mode prevents unidentified users from sending to the channel, although they can
still join.
</para>
<para>
Please note that this mode is not implemented in Charybdis 1.0.x, and is documented in
expectation for upcoming Charybdis 1.1.
</para>
</sect2>
-->
<sect2>
<title>+s, secret channel</title>
<para>
When set, this mode prevents the channel from appearing in the
output of the LIST, WHO and WHOIS command by users who are not on
it. Also, the server will refuse to answer WHO, NAMES, TOPIC and
LIST queries from users not on the channel.
</para>
</sect2>
<sect2>
<title>+t, topic limit</title>
<para>
When set, this mode prevents users who are not channel operators
from changing the topic.
</para>
</sect2>
<sect2>
<title>+v, voice</title>
<para>
This mode takes one parameter, a nick, and grants or removes voice
privilege to that user. Voiced users can always send to the channel,
overriding +b, +m and +q modes and the per-channel flood limit.
In most clients voiced users are marked with a plus sign.
</para>
<para>
The privilege is lost if the user leaves the channel or server
in any way.
</para>
</sect2>
<sect2>
<title>+z, reduced moderation</title>
<para>
When +z is set, the effects of +m, +b and +q are relaxed. For each message, if that message
would normally be blocked by one of these modes, it is instead sent to all channel operators. This is intended for use in moderated debates.
</para>
<para>
Note that +n is unaffected by this. To silence a given user completely,
remove them from the channel.
</para>
</sect2>
</sect1>
</chapter>
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<chapter id="intro">
<title>Introduction</title>
<sect1>
<title>Scope of this document</title>
<para>
This document describes the commands and functions available to operators in
the charybdis ircd, as used on <ulink url="http://www.atheme.net">AthemeNet</ulink>.
</para>
<para>
This document, and various ideas for features of charybdis, have
been taken from dancer-ircd/hyperion, the ircd used on freenode,
mainly written by Andrew Suffield and Jilles Tjoelker.
</para>
<para>
While this document may be of some interest to the users of charybdis servers,
it is intended as a reference for network staff.
</para>
<para>
Charybdis is based on ircd-ratbox 2.1.4, although much has changed.
<ulink url="http://www.ircd-ratbox.org">ircd-ratbox</ulink> is commonly used
on efnet, and some other networks.
</para>
</sect1>
</chapter>
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<chapter id="oprivs">
<title>Oper privileges</title>
<sect1 id="oprivlist">
<title>Meanings of oper privileges</title>
<para>
These are specified in privset{}.
</para>
<sect2>
<title>oper:admin, server administrator</title>
<para>
Various privileges intended for server administrators.
Among other things, this automatically sets umode +a and allows
loading modules.
</para>
</sect2>
<sect2>
<title>oper:die, die and restart</title>
<para>
This grants permission to use DIE and RESTART, shutting down
or restarting the server.
</para>
</sect2>
<sect2>
<title>oper:global_kill, global kill</title>
<para>
Allows using KILL on users on any server.
</para>
</sect2>
<sect2>
<title>oper:hidden, hide from /stats p</title>
<para>
This privilege currently does nothing, but was designed
to hide bots from /stats p so users will not message them
for help.
</para>
</sect2>
<sect2>
<title>oper:hidden_admin, hidden administrator</title>
<para>
This grants everything granted to the oper:admin privilege,
except the ability to set umode +a. If both oper:admin and oper:hidden_admin
are possessed, umode +a can still not be used.
</para>
</sect2>
<sect2>
<title>oper:kline, kline and dline</title>
<para>
Allows using KLINE and DLINE, to ban users by user@host mask
or IP address.
</para>
</sect2>
<sect2>
<title>oper:local_kill, kill local users</title>
<para>
This grants permission to use KILL on users on the same server,
disconnecting them from the network.
</para>
</sect2>
<sect2>
<title>oper:mass_notice, global notices and wallops</title>
<para>
Allows using server name ($$mask) and hostname ($#mask) masks in
NOTICE and PRIVMSG to send a message to all matching users, and
allows using the WALLOPS command to send a message to all users
with umode +w set.
</para>
</sect2>
<sect2>
<title>oper:operwall, send/receive operwall</title>
<para>
Allows using the OPERWALL command and umode +z to send and
receive operwalls.
</para>
</sect2>
<sect2>
<title>oper:rehash, rehash</title>
<para>
Allows using the REHASH command, to rehash various configuration
files or clear certain lists.
</para>
</sect2>
<sect2>
<title>oper:remoteban, set remote bans</title>
<para>
This grants the ability to use the ON argument on
DLINE/KLINE/XLINE/RESV and UNDLINE/UNKLINE/UNXLINE/UNRESV to set
and unset bans on other servers, and the server argument on REHASH.
This is only allowed if the oper may perform the action locally,
and if the remote server has a shared{} block.
</para>
<note><para>
If a cluster{} block is present, bans are sent remotely even
if the oper does not have oper:remoteban privilege.
</para></note>
</sect2>
<sect2>
<title>oper:resv, channel control</title>
<para>
This allows using /resv, /unresv and changing the channel
modes +L and +P.
</para>
</sect2>
<sect2>
<title>oper:routing, remote routing</title>
<para>
This allows using the third argument of the CONNECT command, to
instruct another server to connect somewhere, and using SQUIT
with an argument that is not locally connected.
(In both cases all opers with +w set will be notified.)
</para>
</sect2>
<sect2>
<title>oper:spy, use operspy</title>
<para>
This allows using /mode !#channel, /whois !nick, /who !#channel,
/chantrace !#channel, /topic !#channel, /who !mask,
/masktrace !user@host :gecos and /scan umodes +modes-modes global list
to see through secret channels, invisible users, etc.
</para>
<para>
All operspy usage is broadcasted to opers with snomask +Z set
(on the entire network) and optionally logged.
If you grant this to anyone, it is a good idea to establish
concrete policies describing what it is to be used for, and
what not.
</para>
<para>
If operspy_dont_care_user_info is enabled, /who mask is operspy
also, and /who !mask, /who mask, /masktrace !user@host :gecos
and /scan umodes +modes-modes global list do not generate +Z notices
or logs.
</para>
</sect2>
<sect2>
<title>oper:unkline, unkline and undline</title>
<para>
Allows using UNKLINE and UNDLINE.
</para>
</sect2>
<sect2>
<title>oper:xline, xline and unxline</title>
<para>
Allows using XLINE and UNXLINE, to ban/unban users by realname.
</para>
</sect2>
<sect2>
<title>snomask:nick_changes, see nick changes</title>
<para>
Allows using snomask +n to see local client nick changes.
This is designed for monitor bots.
</para>
</sect2>
</sect1>
</chapter>
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<chapter id="ucommands">
<title>User Commands</title>
<sect1>
<title>User commands</title>
<para>
Standard IRC commands are not listed here.
Several of the commands in the operator commands chapter
can also be used by normal users.
</para>
<sect2>
<title>ACCEPT</title>
<cmdsynopsis><command>ACCEPT</command>
<arg choice=plain><replaceable>nick</replaceable>,</arg>
<arg choice=plain>-<replaceable>nick</replaceable>,</arg>
<arg choice=plain><replaceable>...</replaceable></arg>
</cmdsynopsis>
<para>
Adds or removes users from your accept list for umode +g and +R.
Users are automatically removed when they quit, split or change
nick.
</para>
<cmdsynopsis><command>ACCEPT</command>
<arg choice=plain>*</arg>
</cmdsynopsis>
<para>
Lists all users on your accept list.
</para>
<para>
Support of this command is indicated by the CALLERID token in
RPL_ISUPPORT (005); the optional parameter indicates the letter
of the <quote>only allow accept users to send private messages</quote>
umode, otherwise +g. In charybdis this is always +g.
</para>
</sect2>
<sect2>
<title>CNOTICE</title>
<cmdsynopsis><command>CNOTICE</command>
<arg choice=plain><replaceable>nick</replaceable></arg>
<arg choice=plain><replaceable>channel</replaceable></arg>
<arg choice=plain>:<replaceable>text</replaceable></arg>
</cmdsynopsis>
<para>
Providing you are opped (+o) or voiced (+v) in
<replaceable>channel</replaceable>, and <replaceable>nick</replaceable>
is a member of <replaceable>channel</replaceable>, CNOTICE generates a NOTICE towards
<replaceable>nick</replaceable>.
</para>
<para>
CNOTICE bypasses any anti-spam measures in place.
If you get <quote>Targets changing too fast, message dropped</quote>,
you should probably use this command, for example sending a
notice to every user joining a certain channel.
</para>
<para>
As of charybdis 3.1, NOTICE automatically behaves as CNOTICE
if you are in a channel fulfilling the conditions.
</para>
<para>
Support of this command is indicated by the CNOTICE token in
RPL_ISUPPORT (005).
</para>
</sect2>
<sect2>
<title>CPRIVMSG</title>
<cmdsynopsis><command>CPRIVMSG</command>
<arg choice=plain><replaceable>nick</replaceable></arg>
<arg choice=plain><replaceable>channel</replaceable></arg>
<arg choice=plain>:<replaceable>text</replaceable></arg>
</cmdsynopsis>
<para>
Providing you are opped (+o) or voiced (+v) in
<replaceable>channel</replaceable>, and <replaceable>nick</replaceable>
is a member of <replaceable>channel</replaceable>, CPRIVMSG generates a PRIVMSG towards
<replaceable>nick</replaceable>.
</para>
<para>
CPRIVMSG bypasses any anti-spam measures in place.
If you get <quote>Targets changing too fast, message dropped</quote>,
you should probably use this command.
</para>
<para>
As of charybdis 3.1, PRIVMSG automatically behaves as CPRIVMSG
if you are in a channel fulfilling the conditions.
</para>
<para>
Support of this command is indicated by the CPRIVMSG token in
RPL_ISUPPORT (005).
</para>
</sect2>
<sect2>
<title>FINDFORWARDS</title>
<cmdsynopsis><command>FINDFORWARDS</command>
<arg choice=plain><replaceable>channel</replaceable></arg>
</cmdsynopsis>
<para>
<note>
<para>
This command is only available if the <filename>m_findforwards.so</filename> extension is loaded.
</para>
</note>
Displays which channels forward to the given channel (via cmode +f).
If there are very many channels the list will be truncated.
</para>
<para>
You must be a channel operator on the channel or an IRC operator
to use this command.
</para>
</sect2>
<sect2>
<title>HELP</title>
<cmdsynopsis><command>HELP</command>
<arg><replaceable>topic</replaceable></arg>
</cmdsynopsis>
<para>
Displays help information. <replaceable>topic</replaceable> can
be INDEX, CREDITS, UMODE, CMODE, SNOMASK or a command name.
</para>
<para>
There are separate help files for users and opers. Opers can use
UHELP to query the user help files.
</para>
</sect2>
<sect2>
<title>IDENTIFY</title>
<cmdsynopsis><command>IDENTIFY</command>
<arg choice=plain><replaceable>parameters...</replaceable></arg>
</cmdsynopsis>
<para>
<note>
<para>
This command is only available if the <filename>m_identify.so</filename> extension is loaded.
</para>
</note>
Sends an identify command to either NickServ or ChanServ.
If the first parameter starts with #, the command is sent to
ChanServ, otherwise to NickServ.
The word IDENTIFY, a space and all parameters are concatenated
and sent as a PRIVMSG to the service.
If the service is not online or does not have umode +S set,
no message will be sent.
</para>
<para>
The exact syntax for this command depends on the services package
in use.
</para>
</sect2>
<sect2>
<title>KNOCK</title>
<cmdsynopsis><command>KNOCK</command>
<arg choice=plain><replaceable>channel</replaceable></arg>
</cmdsynopsis>
<para>
Requests an invite to the given channel. The channel must be
locked somehow (+ikl), must not be +p and you may not be banned
or quieted. Also, this command is rate limited.
</para>
<para>
If successful, all channel operators will receive a 710 numeric.
The recipient field of this numeric is the channel.
</para>
<para>
Support of this command is indicated by the KNOCK token in
RPL_ISUPPORT (005).
</para>
</sect2>
<sect2>
<title>MONITOR</title>
<para>
Server side notify list. This list contains nicks. When a user
connects, quits with a listed nick or changes to or from a listed
nick, you will receive a 730 numeric if the nick went online and
a 731 numeric if the nick went offline.
</para>
<para>
Support of this command is indicated by the MONITOR token in
RPL_ISUPPORT (005); the parameter indicates the maximum number
of nicknames you may have in your monitor list.
</para>
<para>
You may only use this command once per second.
</para>
<para>
More details can be found in <filename>doc/monitor.txt</filename>
in the source distribution.
</para>
<cmdsynopsis><command>MONITOR +</command>
<arg choice=plain><replaceable>nick</replaceable>,</arg>
<arg choice=plain><replaceable>...</replaceable></arg>
</cmdsynopsis>
<para>
Adds nicks to your monitor list. You will receive 730 and 731
numerics for the nicks.
</para>
<cmdsynopsis><command>MONITOR -</command>
<arg choice=plain><replaceable>nick</replaceable>,</arg>
<arg choice=plain><replaceable>...</replaceable></arg>
</cmdsynopsis>
<para>
Removes nicks from your monitor list. No output is generated for
this command.
</para>
<cmdsynopsis><command>MONITOR C</command>
</cmdsynopsis>
<para>
Clears your monitor list. No output is generated for
this command.
</para>
<cmdsynopsis><command>MONITOR L</command>
</cmdsynopsis>
<para>
Lists all nicks on your monitor list, using 732 numerics and
ending with a 733 numeric.
</para>
<cmdsynopsis><command>MONITOR S</command>
</cmdsynopsis>
<para>
Shows status for all nicks on your monitor list, using 730 and 731
numerics.
</para>
</sect2>
</sect1>
</chapter>
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<chapter id="umodes">
<title>Umodes</title>
<sect1 id="umodelist">
<title>Meanings of user modes</title>
<sect2>
<title>+a, server administrator</title>
<para>
This vanity usermode is used to denote a server administrator in WHOIS output.
All local <quote>admin</quote> privileges are independent of it, though services
packages may grant extra privileges to +a users.
</para>
</sect2>
<sect2>
<title>+D, deaf</title>
<para>
<note>
<para>
This is a user umode, which anybody can set. It is not specific to operators.
</para>
</note>
Users with the +D umode set will not receive messages sent to
channels. Joins, parts, topic changes, mode changes, etc are
received as normal, as are private messages.
</para>
<para>
Support of this umode is indicated by the DEAF token in
RPL_ISUPPORT (005); the parameter indicates the letter
of the umode. Note that several common IRCD implementations have
an umode like this (typically +d) but do not have the token in 005.
</para>
</sect2>
<sect2>
<title>+g, Caller ID</title>
<para>
<note>
<para>
This is a user umode, which anybody can set. It is not specific to operators.
</para>
</note>
Users with the +g umode set will only receive private messages from users on a
session-defined whitelist, defined by the /accept command. If a user who is not
on the whitelist attempts to send a private message, the target user will receive a rate-limited notice saying that the user
wishes to speak to them.
</para>
<para>
Network operators are not affected by the callerid whitelist system in the event
that they need to speak to users who have it enabled.
</para>
<para>
Support of this umode is indicated by the CALLERID token in
RPL_ISUPPORT (005); the optional parameter indicates the letter
of the umode, otherwise +g.
</para>
</sect2>
<sect2>
<title>+i, invisible</title>
<para>
<note>
<para>
This is a user umode, which anybody can set. It is not specific to operators.
</para>
</note>
Invisible users do not show up in WHO and NAMES unless you can see them.
</para>
</sect2>
<!-- not planned (jilles)
<sect2>
<title>+I, refuse invite</title>
<para>
<note>
<para>
This is a user umode, which anybody can set. It is not specific to operators.
</para>
</note>
If you have the +I umode set, nobody will be able to issue an INVITE to let you
in to a channel.
</para>
<para>
This mode is not yet implemented. It will be implemented in Charybdis 1.1.
</para>
</sect2>
-->
<sect2>
<title>+l, receive locops</title>
<para>
LOCOPS is a version of OPERWALL that is sent to opers on a single
server only. With cluster{} and shared{} blocks they can optionally
be propagated further.
</para>
<para>
Unlike OPERWALL, any oper can send and receive LOCOPS.
</para>
</sect2>
<sect2>
<title>+o, operator</title>
<para>
This indicates global operator status.
</para>
</sect2>
<sect2>
<title>+Q, disable forwarding</title>
<para>
<note>
<para>
This is a user umode, which anybody can set. It is not specific to operators.
</para>
</note>
This umode prevents you from being affected by channel forwarding.
If enabled on a channel, channel forwarding sends you to another
channel if you could not join. See channel mode +f for more
information.
</para>
</sect2>
<sect2>
<title>+R, reject messages from unauthenticated users</title>
<para>
<note>
<para>
This is a user umode, which anybody can set. It is not specific to operators.
</para>
</note>
If a user has the +R umode set, then any users who are not authenticated
will receive an error message if they attempt to send a private
message or notice to the +R user.
</para>
<para>
Opers and accepted users (like in +g) are exempt.
Unlike +g, the target user is not notified of failed messages.
</para>
</sect2>
<sect2>
<title>+s, receive server notices</title>
<para>
This umode allows an oper to receive server notices.
The requested types of server notices are specified as a
parameter (<quote>snomask</quote>) to this umode.
</para>
</sect2>
<sect2>
<title>+S, network service</title>
<para>
<note>
<para>
This umode can only be set by servers named in a service{}
block.
</para>
</note>
This umode grants various features useful for services. For example,
clients with this umode cannot be kicked or deopped on channels,
can send to any channel, do not show channels in WHOIS,
can be the target of services aliases and do not appear in /stats p.
No server notices are sent for hostname changes by services clients;
server notices about kills are sent to snomask +k instead of +s.
</para>
<para>
The exact effects of this umode are variable; no user or oper on
an actual charybdis server can set it.
</para>
</sect2>
<sect2>
<title>+w, receive wallops</title>
<para>
<note>
<para>
This is a user umode, which anybody can set. It is not specific to operators.
</para>
</note>
Users with the +w umode set will receive WALLOPS messages sent by opers.
Opers with +w additionally receive WALLOPS sent by servers (e.g.
remote CONNECT, remote SQUIT, various severe misconfigurations,
many services packages).
</para>
</sect2>
<sect2>
<title>+z, receive operwall</title>
<para>
OPERWALL differs from WALLOPS in that the ability to receive such messages is
restricted. Opers with +z set will receive OPERWALL messages.
</para>
</sect2>
<sect2>
<title>+Z, SSL user</title>
<para>
This umode is set on clients connected via SSL/TLS.
It cannot be set or unset after initial connection.
</para>
</sect2>
</sect1>
<sect1 id="snomaskusage">
<title>Snomask usage</title>
<para>
Usage is as follows:
</para>
<cmdsynopsis><command>MODE</command>
<arg choice=plain><replaceable>nick</replaceable></arg>
<arg choice=plain>+s</arg>
<arg choice=plain><replaceable>+/-flags</replaceable></arg>
</cmdsynopsis>
<para>
To set snomasks.
</para>
<cmdsynopsis><command>MODE</command>
<arg choice=plain><replaceable>nick</replaceable></arg>
<arg choice=plain>-s</arg>
</cmdsynopsis>
<para>
To clear all snomasks.
</para>
<para>
Umode +s will be set if at least one snomask is set.
</para>
<para>
Umode +s is oper only by default, but even if you allow nonopers to
set it, they will not get any server notices.
</para>
</sect1>
<sect1 id="snomasklist">
<title>Meanings of server notice masks</title>
<sect2>
<title>+b, bot warnings</title>
<para>
Opers with the +b snomask set will receive warning messages from the server when potential
flooders and spambots are detected.
</para>
</sect2>
<sect2>
<title>+c, client connections</title>
<para>
Opers who have the +c snomask set will receive server notices when clients attach to the
local server.
</para>
</sect2>
<sect2>
<title>+C, extended client connection notices</title>
<para>
Opers who have the +C snomask set will receive server notices when clients attach to the
local server. Unlike the +c snomask, the information is displayed in a format intended
to be parsed by scripts, and includes the two unused fields of the USER command.
</para>
</sect2>
<sect2>
<title>+d, debug</title>
<para>
The +d snomask provides opers extra information which may be of interest to debuggers.
It will also cause the user to receive server notices if certain assertions fail inside the
server. Its precise meaning is variable. Do not depend on the
effects of this snomask as they can and will change without notice in later revisions.
</para>
</sect2>
<sect2>
<title>+f, full warning</title>
<para>
Opers with the +f snomask set will receive notices when a user
connection is denied because a connection limit is exceeded
(one of the limits in a class{} block, or the total per-server
limit settable with /quote set max).
</para>
</sect2>
<sect2>
<title>+F, far client connection notices</title>
<para>
<note>
<para>
This snomask is only available if the <filename>sno_farconnect.so</filename> extension is loaded.
</para>
</note>
Opers with +F receive server notices when clients connect or
disconnect on other servers. The notices have the same format
as those from the +c snomask, except that the class is ? and
the source server of the notice is the server the user is/was on.
</para>
<para>
No notices are generated for netsplits and netjoins.
Hence, these notices cannot be used to keep track of all
clients on the network.
</para>
<para>
There is no far equivalent of the +C snomask.
</para>
</sect2>
<sect2>
<title>+k, server kill notices</title>
<para>
Opers with the +k snomask set will receive server notices when
services kill users and when
other servers kill and save (forced nick change to UID) users.
Kills and saves by this server are on +d or +s.
</para>
</sect2>
<sect2>
<title>+n, nick change notices</title>
<para>
An oper with +n set will receive a server notice every time a local user changes their nick,
giving the old and new nicks.
This is mostly useful for bots that track all users on a single server.
</para>
</sect2>
<sect2>
<title>+r, notices on name rejections</title>
<para>
Opers with this snomask set will receive a server notice when somebody tries to use an
invalid username, or if a dumb HTTP proxy tries to connect.
</para>
</sect2>
<sect2>
<title>+s, generic server notices</title>
<para>
This snomask allows an oper to receive generic server notices.
This includes kills from opers (except services).
</para>
</sect2>
<sect2>
<title>+u, unauthorized connections</title>
<para>
This snomask allows an oper to see when users try to connect who do not have an
available auth{} block.
</para>
</sect2>
<sect2>
<title>+W, whois notifications</title>
<para>
<note>
<para>
This snomask is only available if the <filename>sno_whois.so</filename> extension is loaded.
</para>
</note>
Opers with +W receive notices when a WHOIS is executed on them
on their server (showing idle time).
</para>
</sect2>
<sect2>
<title>+x, extra routing notices</title>
<para>
Opers who have the +x snomask set will get notices about servers
connecting and disconnecting on the whole network. This includes
all servers connected behind the affected link. This can get
rather noisy but is useful for keeping track of all linked
servers.
</para>
</sect2>
<sect2>
<title>+y, spy</title>
<para>
Opers with +y receive notices when users try to join RESV'ed (<quote>juped</quote>) channels.
Additionally, if certain extension modules are loaded, they will
receive notices when special commands are used.
</para>
</sect2>
<sect2>
<title>+Z, operspy notices</title>
<para>
Opers with +Z receive notices whenever an oper anywhere on the
network uses operspy.
</para>
<para>
This snomask can be configured to be only effective for admins.
</para>
</sect2>
</sect1>
</chapter>
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