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From: Jason Opperisano <opie@817west.com>
To: netfilter@lists.netfilter.org
Subject: Re: input filter
Date: Wed, 5 Jan 2005 10:48:57 -0500	[thread overview]
Message-ID: <20050105154857.GA24445@bender.817west.com> (raw)
In-Reply-To: <20050104223520.2120.qmail@web53904.mail.yahoo.com>

On Tue, Jan 04, 2005 at 02:35:20PM -0800, Bhasker Allam wrote:
> Hi,
> I am a newbie and I was reading the howto for packet
> filter. The howto has the following picture:
> 
> Incoming                 /     \         Outgoing
>        -->[Routing ]--->|FORWARD|------->
>           [Decision]     \_____/        ^
>                |                        |
>                v                       ____
>               ___                     /    \
>              /   \                   |OUTPUT|
>             |INPUT|                   \____/
>              \___/                      ^
>                |                        |
>                 ----> Local Process ----
> 
> The input filtering is done only for local bound
> packets and after the routing decision. Is the above
> true ?

yes.

> Is there a facility to perform input filtering
> before the routing decision ? Thanks.

yes:  -t mangle PREROUTING

-j

--
"Look, just give me some inner peace, or I'll mop the floor with ya!"
        --The Simpsons


  reply	other threads:[~2005-01-05 15:48 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-01-04 22:35 input filter Bhasker Allam
2005-01-05 15:48 ` Jason Opperisano [this message]
2005-01-05 17:06 ` Sky
2005-01-05 17:17 ` Georgi Alexandrov
2005-01-05 22:30   ` Bhasker Allam
2005-01-06 16:08     ` Jason Opperisano

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