that module is for accepting DCC connections, a feature of IRC clients. note that you do not need to load it for normal IRC chatting, only for DCC chats/file transfers, which are rare outside of the warez crowd nowadays.
-Tim Dustin Puryear wrote: > At 08:22 AM 3/4/2002 -0600, you wrote: > >> If I read this right, this only affects people who are silly >> enough to put IRC on their firewall. > > > I don't think so. Unless I'm mistaken, if you load the irc module for > netfilter (similar to the ftp or realaudio module) then you may be > vulnerable. I would think a lot of the netfilter scripts floating > around do so. (For those that don't know, these modules help netfilter > modify packets as they traverse the firewall. They are needed because > some protocols, like ftp, embed client information (ie., IP addresses) > in the data field.) I just checked and found the irc module on my > RH7.2 system: > > /lib/modules/2.4.9-31/kernel/net/ipv4/netfilter/ip_nat_irc.o > > To be honest, I have played much with netfilter, and I don't know > exactly what ip_nat_irc does.However, if you are using netfilter you > may want to see if you have that module loaded with lsmod: > > # lsmod > > I just looked at the source: > > http://www.linuxhq.com/kernel/v2.4/patch/patch-2.4.14-pre7/linux/net/ipv4/netfilter/ip_nat_irc.c.html > > > > And this does indeed appear to be for clients of IRC, and not those > just running servers. > > Regards, Dustin > > > --- > Dustin Puryear <[EMAIL PROTECTED]> > Information Systems Contractor > http://members.telocity.com/~dpuryear > PGP Key available at http://www.us.pgp.net > In the beginning the Universe was created. > This has been widely regarded as a bad move. - Douglas Adams > > ================================================ > BRLUG - The Baton Rouge Linux User Group > Visit http://www.brlug.net for more information. > Send email to [EMAIL PROTECTED] to change > your subscription information. > ================================================ ================================================ BRLUG - The Baton Rouge Linux User Group Visit http://www.brlug.net for more information. Send email to [EMAIL PROTECTED] to change your subscription information. ================================================
