From: Ramin Alidousti <ramin@cannon.eng.us.uu.net>
To: Jan Humme <jan.humme@xs4all.nl>
Cc: netfilter@lists.samba.org
Subject: Re: icmp redirect
Date: Wed, 10 Jul 2002 13:39:30 -0400 [thread overview]
Message-ID: <20020710173930.GD25368@cannon.eng.us.uu.net> (raw)
In-Reply-To: <0207101911210A.04513@Lms>
On Wed, Jul 10, 2002 at 07:11:21PM +0200, Jan Humme wrote:
> I am developing an application that will eventually run on a PC with two
> ethernet cards; unfortunately the development PC that I use has only one
> ethernet card (eth0) and no available slots (except for one that I need for
> another purpose).
>
> Doesn't matter, during the development I can have both applications use eth0
> instead, if I can only stop the icmp redirect messages that the kernel sends
> back to the source, whenever it finds out that it is forwarding a packet via
> the same eth0 interface on which it came in.
>
> Of course, I can choke the icmp redirect message using iptables, but is there
> a better (proper) way, to prevent the message from being generated?
On the sending host:
# echo 0 > /proc/sys/net/ipv4/conf/*/send_redirects
On the receiving host:
# echo 0 > /proc/sys/net/ipv4/conf/*/accept_redirects
should do it.
Ramin
>
> Jan Humme.
next prev parent reply other threads:[~2002-07-10 17:39 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-10 17:11 icmp redirect Jan Humme
2002-07-10 17:39 ` Ramin Alidousti [this message]
2002-07-10 17:48 ` Jan Humme
2002-07-10 17:46 ` Antony Stone
2002-07-10 18:31 ` Jan Humme
2005-03-18 15:29 ICMP REDIRECT vardhaman.m
2006-05-07 7:19 ICMP Redirect R. Rajasekaran
2006-05-09 12:25 ` Cedric Blancher
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