Channel Modes

InspIRCd supports five types of mode:

Type	Parameter when adding?	Parameter when removing?	Can be set multiple times?	Description
Switch	No	No	No	Toggles the behaviour of a feature on a channel or user.
Parameter	Yes	No	No	Enables and configures the behaviour of a feature on a channel or user.
ParamBoth	Yes	Yes	No	The same as a Parameter mode only the parameter must be specified to remove it.
Prefix	Yes; channel member nickname	Yes; channel member nickname	Yes; once per channel member	Grants/revokes a status rank to the user specified in the parameter.
List	Yes	Yes	Yes; up to the maximum list size	Adds/removes entries from a list.

Core

Core channel modes are channel modes which are always available. For details on the channel modes provided by modules, see the modules section below.

Name	Character	Type	Parameter Syntax	Usable By	Description
ban	b	List	<mask>	Channel operators	Bans users matching <mask> from joining the channel.
inviteonly	i	Switch	None	Channel operators	Prevents users from joining the channel without an invite.
key	k	ParamBoth	<key>	Channel operators	Prevents users from joining the channel who have not specified the <key> password.
limit	l	Parameter	<count>	Channel operators	Allows no more than <count> users to join the channel.
moderated	m	Switch	None	Channel operators	Prevents users without a prefix rank from messaging the channel.
noextmsg	n	Switch	None	Channel operators	Prevents users who are not in the channel from messaging the channel.
op	o	Prefix	<nick>	Channel operators	Grants channel operator status to <nick>.
private	p	Switch	None	Channel operators	Hides the channel in /WHOIS from people who are not a member. You probably want channel mode s (secret) rather than this.
secret	s	Switch	None	Channel operators	Hides the channel in /WHOIS and /LIST from people who are not a member.
topiclock	t	Switch	None	Channel operators	Prevents non-channel operators from changing the channel topic.
voice	v	Prefix	<nick>	Channel operators	Grants channel voice status to <nick>.

Example Usage

Bans users matching *!*@example.com from joining #channel:

/MODE #channel +b *!*@example.com

Sets the channel key for #cheese to “cheddar”:

/MODE #cheese +k cheddar

Removes the channel key for #cheese:

/MODE #cheese -k cheddar

Limits #channel to 100 users:

/MODE #channel +l 100

Grants channel operator status to Sadie in #channel:

/MODE #channel +o Sadie

Removes channel operator status from Sadie in #channel:

/MODE #channel -o Sadie

Grants channel voice status to Sadie in #channel:

/MODE #channel +v Sadie

Removes channel voice status from Sadie in #channel:

/MODE #channel -v Sadie

Modules

Name	Character	Type	Parameter Syntax	Usable By	Module
allowinvite	A	Switch	None	Channel operators	allowinvite
anticaps	B	Parameter	{ban|block|mute|kick|kickban}:<minlen>:<percent>	Channel operators	anticaps
blockcolor	c	Switch	None	Channel operators	blockcolor
noctcp	C	Switch	None	Channel operators	noctcp
delayjoin	D	Switch	None	Channel operators	delayjoin
delaymsg	d	Parameter	<seconds>	Channel operators	delaymsg
banexception	e	List	<mask>	Channel operators	banexception
repeat	E	Parameter	[~|*]<lines>:<sec>[:<difference>][:<backlog>] {ban|block|mute|kick|kickban}:<lines>:<sec>[:<difference>][:<backlog>]	Channel operators	repeat
nickflood	F	Parameter	<changes>:<seconds>	Channel operators	nickflood
flood	f	Parameter	[*]<lines>:<seconds> {ban|block|mute|kick|kickban}:<messages>:<duration>	Channel operators	messageflood
filter	g	List	<glob>	Channel operators	chanfilter
history	H	Parameter	<count>:<period>	Channel operators	chanhistory
invex	I	List	<mask>	Channel operators	inviteexception
kicknorejoin	J	Parameter	<seconds>	Channel operators	kicknorejoin
joinflood	j	Parameter	<joins>:<seconds>	Channel operators	joinflood
noknock	K	Switch	None	Channel operators	knock
redirect	L	Parameter	<channel>	Channel operators	redirect
regmoderated	M	Switch	None	Channel operators	account
nonick	N	Switch	None	Channel operators	nonicks
operonly	O	Switch	None	Server operators	operchans
permanent	P	Switch	None	Server operators	permchannels
nokick	Q	Switch	None	Channel operators	nokicks
reginvite	R	Switch	None	Channel operators	account
c_registered	r	Switch	None	Channel operators	services
stripcolor	S	Switch	None	Channel operators	stripcolor
nonotice	T	Switch	None	Channel operators	nonotice
opmoderated	U	Switch	None	Channel operators	opmoderated
auditorium	u	Switch	None	Channel operators	auditorium
blockhighlight	V	Switch	None	Channel operators	contrib/blockhighlight
autoop	w	List	<status>:<mask>	Channel operators	autoop
exemptchanops	X	List	<restriction>:<mode>	Channel operators	exemptchanops
operprefix	y	Prefix	<nick>	Server operators	operprefix
official-join	Y	Prefix	<nick>	Server operators	ojoin
sslonly	z	Switch	None	Channel operators	sslmodes