From: richard hauswald <staenker@rhcs.de>
Cc: netfilter-devel@lists.netfilter.org
Subject: Re: iptables bug using dhcpd3 on debian sarge 2.6.8
Date: Thu, 10 Mar 2005 09:10:25 +0100 [thread overview]
Message-ID: <423000F1.2040802@rhcs.de> (raw)
In-Reply-To: <422DC8B7.6060801@trash.net>
Patrick McHardy wrote:
>
> ISC DHCP uses AF_PACKET sockets on Linux by default, which receive
> packets before iptables. There are some compile-time options to make it
> use normal UDP sockets.
>
> Regards
> Patrick
>
Thanks for that tip. But is this good or bad? I mean if i where a trojan
programmer, couldn't i use these AF_PACKET sockets to code an iptables
passing trojan?
I'm not good programming networkstuff, so excuse my simple question.
Regards
Richard Hauswald
next prev parent reply other threads:[~2005-03-10 8:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-03-07 14:44 iptables bug using dhcpd3 on debian sarge 2.6.8 staenker
2005-03-08 13:28 ` richard hauswald
2005-03-08 15:45 ` Patrick McHardy
2005-03-10 8:10 ` richard hauswald [this message]
2005-03-10 9:35 ` Sven Schuster
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