URL:
<http://savannah.nongnu.org/bugs/?26571>
Summary: /ban $nick is EXTREMELY easy to evade
Project: Wee Enhanced Environment for Chat
Submitted by: jdhore
Submitted on: Thu 14 May 2009 07:56:17 AM GMT
Category: irc plugin
Severity: 3 - Normal
Item Group: irc protocol
Status: None
Privacy: Public
Assigned to: None
Originator Name:
Originator Email:
Open/Closed: Open
Discussion Lock: Any
Release: 0.2.6
IRC nick: jdhore
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Details:
/ban $nick is very easy to evade. In fact, it's as simple as parting the
channel, doing /nick some-other-nick and re-joining.
Currently it makes the ban:
jdhor...@*
(Which bans the nick only)
My 2 suggestions are to either have it ban:
*...@full-host-here
or
*!u...@full-or-partial-host
The latter can't be evaded without the user disconnecting from the server,
changing the username in their IRC client's settings and
reconnecting/rejoining (or using a shell/proxy, of course). The former can't
be evaded in any circumstance in many cases, or in a few, can only be evaded
by the user using a shell, a proxy or resetting their DSL modem.
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