software/RELEASES/ircservices/achurch.org/services/lists/ircservices/1999/000091.html

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  14    <H1>[IRCServices] JOIN 0 subject</H1>
  15     <B>Josh Odom</B>
  16     <A HREF="mailto:ircservices%40ircservices.za.net?Subject=%5BIRCServices%5D%20JOIN%200%20subject&In-Reply-To=199909221554.LAA02583%40mailfw2.ford.com"
  17        TITLE="[IRCServices] JOIN 0 subject">joshodom at uswest.net
  18        </A><BR>
  19     <I>Wed Sep 22 02:12:52 PDT 1999</I>
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  34 <PRE>Yes, however, there are far too many IRCD's out to have join 0 removed...
  35 It would be impossible to have JOIN 0 out of all of the IRCD's
  36
  37 Shadow
  38
  39
  40 -----Original Message-----
  41 From: <A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices">owner-ircservices at ender.shadowfire.org</A>
  42 [mailto:<A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices">owner-ircservices at ender.shadowfire.org</A>]On Behalf Of Pinto, Joao
  43 Luis (J.)
  44 Sent: Wednesday, September 22, 1999 9:55 AM
  45 To: '<A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices">ircservices at ender.shadowfire.org</A>'
  46 Subject: [IRCServices] JOIN 0 subject
  47
  48
  49 About ircd with JOIN 0 support and services not supporting it, this should
  50 be considered a major security problem because it can block some services
  51 functionalities and also serve as a DoS for services
  52 explaining:
  53         a bot programmed to join form chanell #a to #zzzzzzzzz, using join
  54 #a,#b,#c and then join 0 .... can in a couple of hours disable mlock and
  55 keep topic functionality for several hundreds of channels, until the bot
  56 quit's or the services are restarted, anyway for every channel the bot joins
  57 the channel is created on services internal channel list, so it will
  58 sequentially  memory and slow down findchan function a lot because there are
  59 much more channels to search on.
  60 My opinio is the best way to fix the problem is not to code join 0 in
  61 services but take it out from ircd, since most of users don't use it, and
  62 this way you save ircd cpu insted of using more cpu on services :)
  63
  64 Just some ideas
  65
  66 Jo&#227;o Lu&#237;s Marques Pinto
  67 PTlink Tech - <A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices">Lamego at PTlink.net</A>
  68 &lt;A  HREF=&quot;<A HREF="http://www.PTlink.net&quot;">http://www.PTlink.net&quot;</A>&gt;<A HREF="http://www.PTlink.net&lt;/A">http://www.PTlink.net&lt;/A</A>&gt;
  69
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  79
  80 </PRE>
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