From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pascal Hambourg Subject: Re: Question: Why it is not possible to mark packet BEFORE first "route selection" in OUTPUT chain Date: Sun, 25 Oct 2015 17:11:25 +0100 Message-ID: <562CFF2D.9030201@plouf.fr.eu.org> References: <562CBFAD.40405@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <562CBFAD.40405@gmail.com> Sender: netfilter-owner@vger.kernel.org List-ID: Content-Type: text/plain; charset="iso-8859-1" To: macach Cc: netfilter@vger.kernel.org macach a =E9crit : >=20 > Why it is not possible to mark packet BEFORE "route selection" in OUT= PUT chain. Because when the initial route selection happens, the packet does not exist yet. It is in the process of being created. The reason why route selection takes place during the packet creation is that its result influences packet features such as the source address, TOS...