Difference between revisions of "Channel Modes"

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These are all channel modes that can be set. Use the command: <code>MODE #channel +modeshere</code>.
Normally you need channel operator status (+o, or some other level such as +h/+a/+q) if you want to change channel modes. However, IRCOp's with OperOverride privileges may bypass these restrictions. And similarly for IRCOps with access to the <code>SAMODE</code> command.
== Access levels == <!--T:1-->
These are the modes that grant a certain 'level' to a user.
<!--T:2-->
{| class="wikitable"
!Channel mode
!Module
!Description
!Restrictions
|-
!v
!chanmodes/voice
|Voice. This makes the user able to speak in +m/+M channels. User can also still speak if banned.
|May be set by +hoaq users
|-
!h
!chanmodes/halfop
|Half-Op. Gives some of the usual channel operator rights, but not all. They are basically a light version of channel ops.
|May be set by +oaq users
|-
!o
!chanmodes/chanop
|Channel Op. This is the channel operator privilege everyone knows about, allows the user to do almost all administrative tasks in a channel such as /KICK, /MODE, etc..
|May be set by +oaq users
|-
!a
!chanmodes/chanadmin
|Channel Admin. A level above channel ops but with no special extra privileges except for one: people below chanadmin (so +h/+o) cannot KICK +a people.
|May be set by +q users
|-
!q
!chanmodes/chanowner
|Channel Owner. The highest level. Channel owners can't be kicked by any level below. Usually there's only one person with +q and the mode is set by services.
|Normal users can't set this
|}
<!--T:3-->
Note that often [[Services]] are used to manage +vhoaq lists in so called "access lists" or AOP/HOP/etc. Consult your services documentation.
=== Disabling levels ===
In UnrealIRCd 5 these are built-in modules that cannot be disabled. In UnrealIRCd 6 you can decide not to load a level by using [[blacklist-module directive|blacklist-module]], eg <code>blacklist-module "chanmodes/chanowner";</code> if you don't want <code>+q</code>.
</translate>
<translate>
== List modes == <!--T:5-->
These are so called 'list modes'.
<!--T:6-->
<!--T:6-->
This is the list of all user modes that can be set on a user. You can only set user modes on yourself and not on other users. Use the command: <code>MODE yournick +modeshere</code>.
{| class="wikitable"
!Channel mode
!Module
!Description
!Restrictions
|-
!b
!''built-in''
|Ban. Prevents a user from joining the channel.
|Requires +h or higher
|-
!e
!''built-in''
|Ban exception. When a user is banned (due to +b) and they are on this +e list then they may still join the channel.
|Requires +h or higher
|-
!I
!''built-in''
|Invite exception. When the channel is +i (invite only) then people on this list may still join the channel.
|Requires +h or higher
|}
 
<!--T:7-->
All these modes take a nick!user@host parameter, like: ''+b *!*@*.isp.com''. See also [[Extended bans]] for other syntaxes (eg: ''+e ~c:@#channel'').
</translate>
<translate>
 
 
 
== Channel settings ==
These are channel modes that configure channel settings.


<!--T:1-->
{| class="wikitable"
{| class="wikitable"
!User mode
!Channel mode
!Module
!Module
!Description
!Description
!Restrictions
!Restrictions
|-
|-
!B
</translate>
!usermodes/bot
<translate>
|Marks you as being a bot. This will add a line to /WHOIS so people can easily recognize bots.
<!--T:10-->
|
!c
!chanmodes/nocolor
|No color allowed in the channel. Will block ANSI and mIRC color codes.
|style=white-space:nowrap|Requires +o or higher
|-
!C
!chanmodes/noctcp
|No CTCP's allowed in the channel.
|Requires +o or higher
|-
!D
!chanmodes/delayjoin
|Delays someone's JOIN message until that person speaks. Chanops and higher, opers and ulines/services are exempt.
|Requires +o or higher
|-
|-
!d
!d
!''built-in''
!chanmodes/delayjoin
|Makes it so you can not receive channel PRIVMSG's, except for messages prefixed with a [[Set block#set::channel-command-prefix|set::channel-command-prefix]] character. Could be used by bots to reduce traffic so they only see !somecmd type of things.
|When unsetting +D, Unreal needs to process all remaining delayed users (i.e. invisible in the channel to regular users) to make them JOIN. +d is an intermediate/temporary mode to facilitate this and will be unset once all users are properly "joined".
|
|Set by server
|-
|-
!D
!f
!usermodes/privdeaf
!chanmodes/floodprot
|Makes it so you can not receive private messages (PM's) from anyone except IRCOps, servers and services.
|Flood protection. This is a highly advanced feature, see [[Anti-flood features#Channel_mode_f|channel mode +f]].
|
|Requires +o or higher
|-
|-
!G
!G
!style=white-space:nowrap|usermodes/censor
!chanmodes/censor
|Swear filter: filters out all the "bad words" configured in the [[Badword block]]
|Filter out bad words configured in [[Badword block]]
|Requires +o or higher
|-
|-
!H
!H
!chanmodes/history
|Turns on Channel History.  requires UnrealIRCD 5.x, and modern IRC clients. For more information how to use this see [[Channel history]]
|Requires +o or higher
|-
!i
!''built-in''
|Invite only. Requires people to be /INVITE'd to the channel or be on the +I (Invite Exceptions) list (for that latter, see the List modes section above)
|Requires +o or higher
|-
</translate>
<translate>
<!--T:11-->
!k
!''built-in''
!''built-in''
|Hide IRCop status. Regular users using /WHOIS or other commands will not see that you are an IRC Operator.
|Require users to specify a channel key in order to join (/JOIN #chan key). Example: ''+k secret''
|IRCOp-only
|Requires +h or higher
|-
!K
!chanmodes/noknock
|/KNOCK command is not allowed.
|Requires +o or higher
|-
!L
!''built-in''
|Channel link. If the +l user limit (see below) is reached then users will automatically be redirected to this channel. Example: ''+L #something''
|Requires +o or higher
|-
|-
<!--T:2-->
!l
!I
!''built-in''
!''built-in''
|Hide online time in /WHOIS.
|Limit the amount of users that may be in the channel. If the limit is reached then any new JOIN's are rejected (see also +L above).
|see set block for more details: [[Set_block#set::hide-idle-time|set::hide-idle-time]]
|Requires +o or higher
|-
|-
!i
</translate>
<translate>
<!--T:12-->
!m
!''built-in''
!''built-in''
|Makes you so called 'invisible'. A confusing term to mean that you're just hidden from /WHO and /NAMES if queried by someone outside the channel. Normally set by default through [[Set block#set::modes-on-connect|set::modes-on-connect]] and often by the users' IRC client as well.
|Moderated channel. Only people with +v or higher (+vhoaq) may speak.
|
|Requires +h or higher
|-
|-
!o
!M
!chanmodes/regonlyspeak
|Must be authenticated to services or have +v or higher to speak.
|Requires +o or higher
|-
!N
!chanmodes/nonickchange
|No nick-changes permitted. Normally not set, only during a a nick-flood flood attack.
|Requires +o or higher
|-
!n
!''built-in''
!''built-in''
|IRC Operator
|No external messages. If you don't set +n then users outside the channel may still send messages to it. Thus, almost everyone will set their channel +n.
|Set by server
|Requires +h or higher
|-
!O
!chanmodes/operonly
|IRC Operator only channel
|IRCOp-only
|-
</translate>
<translate>
<!--T:13-->
!P
!chanmodes/permanent
|Permanent channel. After all users leave a channel it is normally destroyed. If you set +P then this won't happen and all settings are preserved.<br>
In addition to that, in UnrealIRCd 5 all channel settings (modes, bans, topic, etc.) are saved in a database and restored on startup via the ''channeldb'' module.
|IRCOp-only
|-
|-
!p
!p
!usermodes/privacy
!''built-in''
|Hide channels you are in from /WHOIS, for extra privacy.
|Private channel.  Partially conceals the existence of the channel.  Users cannot see this channel name unless they are a member of it.  For example, if you /WHOIS a user who is on a +p channel, this channel is omitted from the response - unless you are on the same channel.  IRC Operators will always see +p channels and its members.
|
|Requires +o or higher
|-
|-
!q
!Q
!usermodes/nokick
!chanmodes/nokick
|Unkickable (only by U:lines, eg: services)
|No /KICK allowed. Can be used to force all chanops to use [[Services]] for kicking. Unusual, but possible.
|IRCOp-only (but not all)
|Requires +o or higher
|-
!R
!chanmodes/regonly
|Only registered users may join the channel. Registered users are users authenticated to [[Services]].
|Requires +o or higher
|-
|-
<!--T:3-->
!r
!r
!''built-in''
!''built-in''
|Indicates this is a "registered nick"
|Channel is registered at [[Services]]
|Set by services
|Set by services
|-
|-
!R
</translate>
!usermodes/regonlymsg
<translate>
|Only receive private messages from users who are "registered users" (authenticated by Services)
<!--T:14-->
|
!s
!''built-in''
|Secret channel. Extends the functionality of +p (above), but in addition to this, it will act as if the channel does not exist at all for queries like /TOPIC, /LIST and /NAMES.  One exception to this is that it will always respond to the /MODE command.  IRC Operators will always see +s channels and its members.
|Requires +o or higher
|-
|-
!S
!S
!usermodes/servicebot
!chanmodes/stripcolor
|User is a services bot (gives some extra protection)
|Strip color codes. This removes any mIRC or ANSI color codes by converting it to regular text.
|Services-only
|Requires +o or higher
|-
!s
!''built-in''
|Server notices for IRCOps, see [[Snomasks]]
|IRCOp-only
|-
|-
!T
!T
!usermodes/noctcp
!chanmodes/nonotice
|Prevents you from receiving CTCP's.
|Channel notices are not permitted (/NOTICE #chan hi!). On many clients a beeping sound will happen on notices, hence why this mode is sometimes set.
|
|Requires +o or higher
|-
|-
<!--T:4-->
!t
!t
!''built-in''
!''built-in''
|Indicates you are using a /VHOST
|Restricts /TOPIC to +h or higher. Without +t anyone in the channel may set the topic. Most channels are +t.
|Set by server upon /VHOST, /OPER, /*HOST, ..
|Requires +h or higher
|-
|-
!W
!V
!usermodes/showwhois
!chanmodes/noinvite
|Lets you see when people do a /WHOIS on you.
|/INVITE is not permitted.
|IRCOp-only
|Requires +o or higher
|-
|-
!w
</translate>
!''built-in''
<translate>
|Can listen to wallops messages (/WALLOPS from IRCOps')
<!--T:15-->
|
!z
|-
!chanmodes/secureonly
!x
|Only clients which are connected through [[SSL/TLS]] may join the channel
!''built-in''
|Requires +o or higher
|Gives you a hidden / cloaked hostname.
|
|-
|-
!Z
!Z
!usermodes/secureonlymsg
!chanmodes/issecure
|Allows only users on a secure connection to send you private messages/notices/CTCPs. Conversely, you can't send any such messages to non-secure users either.
|Indicates that only people who are using [[SSL/TLS]] are on the channel. This channel mode is (only) set by the server when the channel is also +z and everyone on the channel is connected via SSL.
|
|-
 
<!--T:5-->
!z
!''built-in''
|Indicates you are connected via [[SSL/TLS]]
|Set by server
|Set by server
|-
|}
|}

Latest revision as of 08:40, 31 March 2022

These are all channel modes that can be set. Use the command: MODE #channel +modeshere.

Normally you need channel operator status (+o, or some other level such as +h/+a/+q) if you want to change channel modes. However, IRCOp's with OperOverride privileges may bypass these restrictions. And similarly for IRCOps with access to the SAMODE command.

Access levels[edit | edit source]

These are the modes that grant a certain 'level' to a user.

Channel mode Module Description Restrictions
v chanmodes/voice Voice. This makes the user able to speak in +m/+M channels. User can also still speak if banned. May be set by +hoaq users
h chanmodes/halfop Half-Op. Gives some of the usual channel operator rights, but not all. They are basically a light version of channel ops. May be set by +oaq users
o chanmodes/chanop Channel Op. This is the channel operator privilege everyone knows about, allows the user to do almost all administrative tasks in a channel such as /KICK, /MODE, etc.. May be set by +oaq users
a chanmodes/chanadmin Channel Admin. A level above channel ops but with no special extra privileges except for one: people below chanadmin (so +h/+o) cannot KICK +a people. May be set by +q users
q chanmodes/chanowner Channel Owner. The highest level. Channel owners can't be kicked by any level below. Usually there's only one person with +q and the mode is set by services. Normal users can't set this

Note that often Services are used to manage +vhoaq lists in so called "access lists" or AOP/HOP/etc. Consult your services documentation.

Disabling levels[edit | edit source]

In UnrealIRCd 5 these are built-in modules that cannot be disabled. In UnrealIRCd 6 you can decide not to load a level by using blacklist-module, eg blacklist-module "chanmodes/chanowner"; if you don't want +q. </translate>

<translate>

List modes[edit | edit source]

These are so called 'list modes'.

Channel mode Module Description Restrictions
b built-in Ban. Prevents a user from joining the channel. Requires +h or higher
e built-in Ban exception. When a user is banned (due to +b) and they are on this +e list then they may still join the channel. Requires +h or higher
I built-in Invite exception. When the channel is +i (invite only) then people on this list may still join the channel. Requires +h or higher

All these modes take a nick!user@host parameter, like: +b *!*@*.isp.com. See also Extended bans for other syntaxes (eg: +e ~c:@#channel). </translate> <translate>


Channel settings[edit | edit source]

These are channel modes that configure channel settings.

</translate> <translate> </translate> <translate> </translate> <translate> </translate> <translate> </translate> <translate> </translate> <translate>
Channel mode Module Description Restrictions
c chanmodes/nocolor No color allowed in the channel. Will block ANSI and mIRC color codes. Requires +o or higher
C chanmodes/noctcp No CTCP's allowed in the channel. Requires +o or higher
D chanmodes/delayjoin Delays someone's JOIN message until that person speaks. Chanops and higher, opers and ulines/services are exempt. Requires +o or higher
d chanmodes/delayjoin When unsetting +D, Unreal needs to process all remaining delayed users (i.e. invisible in the channel to regular users) to make them JOIN. +d is an intermediate/temporary mode to facilitate this and will be unset once all users are properly "joined". Set by server
f chanmodes/floodprot Flood protection. This is a highly advanced feature, see channel mode +f. Requires +o or higher
G chanmodes/censor Filter out bad words configured in Badword block Requires +o or higher
H chanmodes/history Turns on Channel History. requires UnrealIRCD 5.x, and modern IRC clients. For more information how to use this see Channel history Requires +o or higher
i built-in Invite only. Requires people to be /INVITE'd to the channel or be on the +I (Invite Exceptions) list (for that latter, see the List modes section above) Requires +o or higher
k built-in Require users to specify a channel key in order to join (/JOIN #chan key). Example: +k secret Requires +h or higher
K chanmodes/noknock /KNOCK command is not allowed. Requires +o or higher
L built-in Channel link. If the +l user limit (see below) is reached then users will automatically be redirected to this channel. Example: +L #something Requires +o or higher
l built-in Limit the amount of users that may be in the channel. If the limit is reached then any new JOIN's are rejected (see also +L above). Requires +o or higher
m built-in Moderated channel. Only people with +v or higher (+vhoaq) may speak. Requires +h or higher
M chanmodes/regonlyspeak Must be authenticated to services or have +v or higher to speak. Requires +o or higher
N chanmodes/nonickchange No nick-changes permitted. Normally not set, only during a a nick-flood flood attack. Requires +o or higher
n built-in No external messages. If you don't set +n then users outside the channel may still send messages to it. Thus, almost everyone will set their channel +n. Requires +h or higher
O chanmodes/operonly IRC Operator only channel IRCOp-only
P chanmodes/permanent Permanent channel. After all users leave a channel it is normally destroyed. If you set +P then this won't happen and all settings are preserved.

In addition to that, in UnrealIRCd 5 all channel settings (modes, bans, topic, etc.) are saved in a database and restored on startup via the channeldb module.

IRCOp-only
p built-in Private channel. Partially conceals the existence of the channel. Users cannot see this channel name unless they are a member of it. For example, if you /WHOIS a user who is on a +p channel, this channel is omitted from the response - unless you are on the same channel. IRC Operators will always see +p channels and its members. Requires +o or higher
Q chanmodes/nokick No /KICK allowed. Can be used to force all chanops to use Services for kicking. Unusual, but possible. Requires +o or higher
R chanmodes/regonly Only registered users may join the channel. Registered users are users authenticated to Services. Requires +o or higher
r built-in Channel is registered at Services Set by services
s built-in Secret channel. Extends the functionality of +p (above), but in addition to this, it will act as if the channel does not exist at all for queries like /TOPIC, /LIST and /NAMES. One exception to this is that it will always respond to the /MODE command. IRC Operators will always see +s channels and its members. Requires +o or higher
S chanmodes/stripcolor Strip color codes. This removes any mIRC or ANSI color codes by converting it to regular text. Requires +o or higher
T chanmodes/nonotice Channel notices are not permitted (/NOTICE #chan hi!). On many clients a beeping sound will happen on notices, hence why this mode is sometimes set. Requires +o or higher
t built-in Restricts /TOPIC to +h or higher. Without +t anyone in the channel may set the topic. Most channels are +t. Requires +h or higher
V chanmodes/noinvite /INVITE is not permitted. Requires +o or higher
z chanmodes/secureonly Only clients which are connected through SSL/TLS may join the channel Requires +o or higher
Z chanmodes/issecure Indicates that only people who are using SSL/TLS are on the channel. This channel mode is (only) set by the server when the channel is also +z and everyone on the channel is connected via SSL. Set by server
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