User modes for the major networks

updated Mar 25, 2002
By Apatrix (EFnet,IRCnet) with contributions from Toyota (EFnet), prysm (EFnet), Dakal (DALnet), MHz (EFnet,DALnet), and others

It's been a long time since there was a single type of server used by all servers. Since then, the various networks have all continued to develop their own independently of the others. User modes are one of the things affected by this all but the most standard (i, o and w) have the same function on all networks. Each network has also added a set of modes unique to that particular network. This also goes for smaller networks which usually base their ircds on one of those used by the major networks but often diverge and add modes of their own or change the behaviour of existing ones.

These user modes are supported by the server versions current as of the date shown below. Older versions may be missing one or two modes or have a different implementation for some. User modes which may be set only by IRC operators are marked with an asterisk. Others will let themselves be set by all users but will return very little information for a non-IRC operator.

The list is based on the following versions which were current as of the date above:
EFnet: 2.8/hybrid-6.2
IRCnet: 2.10.3
DALnet: bahamut 1.4.3
Undernet: u2.10.10


Note that DALnet has their own help guide for DALnet channel and user modes.

Overview of user modes for the major IRC networks
Mode EFnet IRCnet DALnet Undernet
a n/a Indicates /away status * Indicates active service administrator status n/a
b * Monitor floodbot notices n/a * Receive "chatops" from operators n/a
c * Monitor client connects and disconnects n/a * Monitor client connects and disconnects n/a
d * Monitor server debug notices n/a * Do not receive messages directed at the channel
e n/a n/a * Monitor DCC sends of possibly malicious files n/a
f * Monitor Full I:line notices n/a * Receive flood notices n/a
g n/a n/a Receive "globops" notices from servers, Services and operators Receive "HACK" wallops
h n/a n/a * Shows operator in /stats p n/a
i Invisibility to /WHO and /NAMES scans unless performed by a user on the same channel
k * Monitor server kill notices n/a Receive KILL notices Special mode for channel service bots
m n/a n/a * Monitor notices about possible spambots n/a
n * Monitor local nickname changes n/a Receive routing notices n/a
o Indicates active IRC operator status
r * Monitor "rejected" client notices Restricted. User may not use channel op commands. Cannot be reversed Monitor client rejection notices n/a
s * Monitor generic server messages and oper kills n/a Receive server notices
w Receive server wallops Receive operator wallops Receive server and operator wallops
x * Monitor server split/intro notices n/a n/a n/a
y * Monitor links/stats/etc notices n/a * n/a
z * Receive operator wallops n/a n/a n/a
A n/a n/a * Indicates active server admin status n/a
O * Indicates active local operator status n/a n/a
R n/a Receive /msg only from registered users to deter spam n/a


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