bugWeeChat - Bugs: bug #26571, /ban $nick is EXTREMELY easy to...


bug #26571: /ban $nick is EXTREMELY easy to evade

Submitter:  JD <jdhore>
Submitted:  Thu 14 May 2009 07:56:17 AM UTC
Category:  irc plugin Severity:  2 - Minor
Item Group:  irc protocol Status:  Fixed
Privacy:  Public Assigned to:  flashcode
Originator Name:  Open/Closed:  Closed
Release:  * 0.2.6 IRC nick:  jdhore
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Sat 07 Dec 2013 09:39:35 PM UTC, comment #4: 

Option renamed to irc.network.ban_mask_default

Sebastien Helleu <flashcode>
Group administrator
Sat 07 Dec 2013 09:02:49 PM UTC, comment #3: 

Done, new option: irc.look.ban_mask_default

Sebastien Helleu <flashcode>
Group administrator
Mon 27 Dec 2010 01:31:26 PM UTC, comment #2: 

I suggest using the tab-completion that is there to expand the entire host.
You can also have a look at the /oban command in the ChanOp Script at http://www.weechat.org/scripts/source/stable/chanop.py/ which seems to support custom/default banmasks.

Filip H.F. "FiXato" Slagter <fixato>
Sun 16 Aug 2009 02:13:53 PM UTC, comment #1: 

Ban mask should be improved after version 0.3.0.

Sebastien Helleu <flashcode>
Group administrator
Thu 14 May 2009 07:56:17 AM UTC, original submission:  

/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:

(Which bans the nick only)

My 2 suggestions are to either have it ban:




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.

JD <jdhore>


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  • -email is unavailable- added by fixato (Posted a comment)
  • -email is unavailable- added by flashcode (Posted a comment)
  • -email is unavailable- added by jdhore (Submitted the item)

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    Follow 5 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2014-02-09 flashcode Open/ClosedOpen Closed
    2013-12-07 flashcode StatusPostponed Fixed
    2009-08-16 flashcode Severity3 - Normal 2 - Minor
        StatusNone Postponed
        Assigned toNone flashcode

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