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From: Krzysztof Matusik <kyf@arterm.pl>
To: netfilter@lists.netfilter.org
Subject: Re: I want to understand the concept
Date: Sun, 5 Feb 2006 16:04:56 +0100	[thread overview]
Message-ID: <200602051604.57783.kyf@arterm.pl> (raw)
In-Reply-To: <001f01c62a35$c0c66aa0$0101000a@sterenborg.info>

Dnia niedziela, 5 lutego 2006 10:22, Rob Sterenborg napisa³:

> 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 
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


  parent reply	other threads:[~2006-02-05 15:04 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-02-05  8:54 I want to understand the concept Linux linux
2006-02-05  9:22 ` Rob Sterenborg
2006-02-05 10:38   ` Andrew Walrond
2006-02-05 11:20     ` Rob Sterenborg
2006-02-05 15:04   ` Krzysztof Matusik [this message]
2006-02-05 17:37     ` Rob Sterenborg

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