Linux Netfilter discussions
 help / color / mirror / Atom feed
From: Antony Stone <Antony@Soft-Solutions.co.uk>
To: netfilter@lists.netfilter.org
Subject: Re: Problem with FORWARD hook
Date: Tue, 11 Nov 2003 22:12:46 +0000	[thread overview]
Message-ID: <200311112212.hABMCmj17939@agate.rockstone.co.uk> (raw)
In-Reply-To: <Pine.SOL.4.20.0311111655550.29271-100000@csa.bu.edu>

On Tuesday 11 November 2003 9:59 pm, Leonid Veytser wrote:

> When I dump the output of all the packets traveling thru my machine, I
> notice that none go thru FORWARD hook.

There's no other way packets are going to get routed through your machine 
except by passing through the FORWARD chain.

> So, I tried to make a packet have
> to go thru the FORWARD hook (ie by changing the packet dest at PREROUTING
> hook), but the packet never goes to the FORWARD hook, but disappears.

Show us an example of your rules so we can see what you are trying to do.

> Can there be some incorrect configuration on my machine that would cause
> it not to be able to forward packets?

There are many ways of (mis)configuring a machine so that it doesn't forward 
packets.   Some people might say this is a highly secure router :)

Antony.

-- 

Your email has been returned due to insufficient voltage.
                                                     Please reply to the list;
                                                           please don't CC me.


  parent reply	other threads:[~2003-11-11 22:12 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-11 19:13 NF_STOLEN effect on TCP A K A
2003-11-11 21:59 ` Problem with FORWARD hook Leonid Veytser
2003-11-11 22:06   ` Stuart J. Browne
2003-11-11 22:12   ` Antony Stone [this message]
2003-11-11 22:55     ` NF_QUEUE target and ip_queue.c Leonid Veytser
2003-11-21 20:15       ` Checksumming Issues Leonid Veytser
2003-11-21 20:27         ` Antony Stone
2003-11-12  0:40     ` Problem with FORWARD hook Leonid Veytser

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=200311112212.hABMCmj17939@agate.rockstone.co.uk \
    --to=antony@soft-solutions.co.uk \
    --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