From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
To: netfilter@buglecreek.com
Cc: netfilter@vger.kernel.org
Subject: Re: Correct Chains to Apply Rules
Date: Tue, 17 May 2011 23:29:03 +0200 [thread overview]
Message-ID: <4DD2E89F.30801@plouf.fr.eu.org> (raw)
In-Reply-To: <1305666891.6262.1453014301@webmail.messagingengine.com>
Hello,
netfilter@buglecreek.com a écrit :
>
> In the following scenario. Someone makes a new HTTP request from the
> Internet that is allowed inbound on eth0 and goes out of the eth1
> interface to the HTTP server in the server network.
> The HTTP server in the server network sends the response to the original
> requester.
>
> Does the response ever hit the INPUT chain of ETH1?
No.
> Or does it immediately go to the FORWARD chain
Yes.
> and out the OUTPUT chain of eth0.
No.
The three filter chains are mutually exclusive : a packet can only go
through one of them. Forwarded packets only go through the FORWARD chain.
next prev parent reply other threads:[~2011-05-17 21:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-05-17 21:14 Correct Chains to Apply Rules netfilter
2011-05-17 21:29 ` Pascal Hambourg [this message]
2011-05-17 21:50 ` netfilter
2011-05-17 22:06 ` Jorge Dávila
2011-05-17 22:19 ` Andrew Beverley
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