From: Martijn Lievaart <m@rtij.nl>
To: Gregory Machin <gregory.machin@gmail.com>
Cc: netfilter@lists.netfilter.org
Subject: Re: nubee ++ using iptables to block bit torrent ..
Date: Fri, 30 Mar 2007 01:12:05 +0200 [thread overview]
Message-ID: <460C47C5.1020104@rtij.nl> (raw)
In-Reply-To: <30200a940703270610u2d75f17cra4620615ea53a388@mail.gmail.com>
Gregory Machin wrote:
> Hi
> I have a routing / firewall box that provides routing for the lan, dmz
> some routed vpn, and the internet..
>
> I have been asked to block all traffice going from that lan,then give
> limited ip's full access to the internet and other limited access, via
> certian ports for say mail and http..
>
> and this seems to be working fine, execpt that, bit torrent and msn
> and google talk seem the be slipping by ...
>
> by my understanding everything should be locked down ... appart from
> the http/s going via squid, which i'll tackel next ..
That's your problem. MSN, Kazaa, whatever, all tunnel over port 80 if no
other means to communicate is found (i.e. direct ports open). You need
content inspection to block that.
HTH,
M4
prev parent reply other threads:[~2007-03-29 23:12 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-03-27 13:10 nubee ++ using iptables to block bit torrent Gregory Machin
2007-03-29 23:12 ` Martijn Lievaart [this message]
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