From: Paul P Komkoff Jr <i@stingr.net>
To: Lincoln Dale <ltd@cisco.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Paul P Komkoff Jr <i@stingr.net>,
netdev@oss.sgi.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [RFC] Support for wccp version 1 and 2 in ip_gre.c
Date: Tue, 14 Sep 2004 16:39:51 +0400 [thread overview]
Message-ID: <20040914123951.GL4141@stingr.sgu.ru> (raw)
In-Reply-To: <5.1.0.14.2.20040914184652.03e24de0@171.71.163.14>
Replying to Lincoln Dale:
> the logic is correct, but it may make sense to call the appropriate
> netfilter hook again with the "unwrapped" GRE packet, as otherwise
> packets-inside-GRE represent a possible security hole where one can inject
> packets externally and bypass firewall rules.
>From what I observe, netfilter hooks *are* called for unwrapped packets.
Either for usual IP packets passed from GRE tunnel, or for demangled
wccp packets.
--
Paul P 'Stingray' Komkoff Jr // http://stingr.net/key <- my pgp key
This message represents the official view of the voices in my head
next prev parent reply other threads:[~2004-09-14 12:42 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-11 19:41 Paul P Komkoff Jr
2004-09-13 0:05 ` David S. Miller
2004-09-13 5:17 ` Paul P Komkoff Jr
2004-09-13 23:19 ` David S. Miller
2004-09-14 8:48 ` Lincoln Dale
2004-09-14 12:39 ` Paul P Komkoff Jr [this message]
2004-09-14 13:07 ` Lincoln Dale
2004-09-14 20:12 ` Paul P Komkoff Jr
2004-09-15 5:45 ` David S. Miller
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