From: Patrick McHardy <kaber@trash.net>
To: Jan Engelhardt <jengelh@linux01.gwdg.de>
Cc: Netfilter Developer Mailing List
<netfilter-devel@lists.netfilter.org>,
Amin Azez <azez@ufomechanic.net>,
Tom Eastep <teastep@shorewall.net>
Subject: Re: MARK targets all non-terminating
Date: Wed, 10 Jan 2007 13:56:05 +0100 [thread overview]
Message-ID: <45A4E265.2060600@trash.net> (raw)
In-Reply-To: <Pine.LNX.4.61.0701101312040.3029@yvahk01.tjqt.qr>
Jan Engelhardt wrote:
> On Jan 10 2007 12:11, Amin Azez wrote:
>
>>It's not just mark and terminate, but mark and return.
>>It can be managed with --goto and -j RETURN and a subchain.
>
>
> That is not the issue here. We _do_ want to terminate. Consider this faulty
> (shadowing) ruleset:
>
> -t mangle -A POSTROUTING -s 10.0.0.0 -j CLASSIFY --set-class 1:16
> -t mangle -A POSTROUTING -p tcp -j CLASSIFY --set-class 1:17
>
> which will cause TCP traffic to 10.0.0.0 become 1:17 rather than the intended
> 1:16. Using an extra chain with ACCEPT solves it, with RETURN: no.
It does if you use a subchain as Amin suggested, and it allows you to
do additional mangling.
next prev parent reply other threads:[~2007-01-10 12:56 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-02 17:44 MARK targets all non-terminating Jan Engelhardt
2007-01-02 18:25 ` Tom Eastep
2007-01-07 2:09 ` Jan Engelhardt
2007-01-08 7:56 ` Jozsef Kadlecsik
2007-01-08 21:42 ` Jan Engelhardt
2007-01-09 22:09 ` Jan Engelhardt
2007-01-10 8:21 ` Jozsef Kadlecsik
2007-01-10 11:21 ` Jan Engelhardt
2007-01-10 12:11 ` Amin Azez
2007-01-10 12:16 ` Jan Engelhardt
2007-01-10 12:56 ` Patrick McHardy [this message]
2007-01-10 14:00 ` Jan Engelhardt
2007-01-10 14:17 ` Amin Azez
2007-01-10 23:01 ` Jan Engelhardt
2007-01-10 12:13 ` Amin Azez
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