From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Matusik Subject: Re: I want to understand the concept Date: Sun, 5 Feb 2006 16:04:56 +0100 Message-ID: <200602051604.57783.kyf@arterm.pl> References: <001f01c62a35$c0c66aa0$0101000a@sterenborg.info> Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <001f01c62a35$c0c66aa0$0101000a@sterenborg.info> Content-Disposition: inline List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: netfilter-bounces@lists.netfilter.org Errors-To: netfilter-bounces@lists.netfilter.org Content-Type: text/plain; charset="iso-8859-1" To: netfilter@lists.netfilter.org Dnia niedziela, 5 lutego 2006 10:22, Rob Sterenborg napisa=B3: > You SHOULD NOT FILTER in tables other than the filter table (the first > rule). > > Using the mangle table you can alter packets in the FORWARD chain. > In the filter table you cannot. > In the mangle table you can filter packets, but you SHOUD NOT. Why one SHOULD NOT filter in the mangle chain? Are there any philosophical= =20 reasons? Is it a sin? Does it make kernel angry? :-> Performance? > http://iptables-tutorial.frozentux.net/iptables-tutorial.html > > http://www.aptalaska.net/~jclive/IPTablesFlowChart.pdf > > http://ebtables.sourceforge.net/br_fw_ia/PacketFlow.png Thx for links! Really great. Krzysztof