From: Sky <xmaillist@skynet.be>
To: Bhasker Allam <allambhasker@yahoo.com>
Cc: netfilter@lists.netfilter.org
Subject: Re: input filter
Date: Wed, 05 Jan 2005 16:06:55 -0100 [thread overview]
Message-ID: <41DC1EAF.1000701@skynet.be> (raw)
In-Reply-To: <20050104223520.2120.qmail@web53904.mail.yahoo.com>
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, done for only for packets which are not forward (so
packets which are for you).
>Is there a facility to perform input filtering
> before the routing decision ? Thanks.
>
> Bhasker.
Of course, see NAT, mangling, masquerading.
(http://iptables-tutorial.frozentux.net/ is good.)
next prev parent reply other threads:[~2005-01-05 17:06 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
2005-01-05 17:06 ` Sky [this message]
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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