Linux Netfilter discussions
 help / color / mirror / Atom feed
From: Philip Craig <philipc@snapgear.com>
To: "T. Horsnell" <tsh@mrc-lmb.cam.ac.uk>
Cc: netfilter@lists.netfilter.org
Subject: Re: states and UDP
Date: Mon, 06 Mar 2006 11:43:21 +1000	[thread overview]
Message-ID: <440B93B9.6060204@snapgear.com> (raw)
In-Reply-To: <E1FFBMv-0016UD-1H@alf1.lmb.internal>

On 03/04/2006 12:34 AM, T. Horsnell wrote:
> Am I right in thinking that the stateful capabilities
> of iptables (NEW/ESTABLISHED/RELATED etc) only apply to
> tcp connections? If not, how are these states defined for
> udp?
> 
> iptables doesnt complain if I add a rule containing
> '-p udp -m state --state NEW'

Conntrack states are valid for all protocols.
They are different from TCP states.
The man page and tutorial describe what they mean:
http://iptables-tutorial.frozentux.net/iptables-tutorial.html#USERLANDSTATES



      parent reply	other threads:[~2006-03-06  1:43 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-03-03 14:34 states and UDP T. Horsnell
2006-03-03 14:44 ` Steven M Campbell
2006-03-06  1:43 ` Philip Craig [this message]

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=440B93B9.6060204@snapgear.com \
    --to=philipc@snapgear.com \
    --cc=netfilter@lists.netfilter.org \
    --cc=tsh@mrc-lmb.cam.ac.uk \
    /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