Linux Netfilter discussions
 help / color / mirror / Atom feed
From: Sheldon Hearn <sheldonh@clue.co.za>
To: David Coulson <david@davidcoulson.net>
Cc: netfilter@lists.netfilter.org
Subject: Re: SNAT for two interfaces not working
Date: Wed, 28 Sep 2005 15:57:24 +0200	[thread overview]
Message-ID: <200509281557.24156@axl.clue.co.za> (raw)
In-Reply-To: <433A9FE6.4030904@davidcoulson.net>

[-- Attachment #1: Type: text/plain, Size: 670 bytes --]

On Wednesday 28 September 2005 15:51, David Coulson wrote:
> Sheldon Hearn wrote:
> > So basically, the SYN+ACK is arriving back at the firewall, but the
> > firewall then ignores it.  If I add logging, I see the packet hit
> > PREROUTING, but that's it.
>
> Disable return path filtering on the interfaces.
>
> echo 0 > /proc/sys/net/ipv4/conf/eth0/rp_filter

Thank you.  Thank you, thank you, thank you.

Grovel.  Grovel, grovel, grovel.

Ciao,
Sheldon.
-- 
Sheldon Hearn
IT Director
Clue Technologies (PTY) Ltd

Web:		http://www.clue.co.za/
Mail:		sheldonh@clue.co.za
Office:		+27-21-434-8034
Mobile:		+27-83-564-3276
Timezone:	SAST (+0200)

[-- Attachment #2: Type: application/pgp-signature, Size: 189 bytes --]

  reply	other threads:[~2005-09-28 13:57 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-09-28 13:47 SNAT for two interfaces not working Sheldon Hearn
2005-09-28 13:51 ` David Coulson
2005-09-28 13:57   ` Sheldon Hearn [this message]
2005-09-28 14:08   ` Sheldon Hearn

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=200509281557.24156@axl.clue.co.za \
    --to=sheldonh@clue.co.za \
    --cc=david@davidcoulson.net \
    --cc=netfilter@lists.netfilter.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox