From: Anders Fugmann <afu@fugmann.dhs.org>
To: Rob Sterenborg <rsterenborg@xs4all.nl>
Cc: netfilter@lists.netfilter.org
Subject: Re: "iptables: Invalid argument" with kernel 2.4.20
Date: Tue, 17 Dec 2002 03:19:28 +0100 [thread overview]
Message-ID: <3DFE89B0.7030607@fugmann.dhs.org> (raw)
In-Reply-To: <GOEDLKDBKHLHGAKAGFGKEEJJLLAA.rsterenborg@xs4all.nl>
Rob Sterenborg wrote:
> Could someone tell me when I would want to use "-m udp" ? I searched a
> bit and found a lot of scripts using it but didn't find anything that
> explains it.
The '-m' flag means match extentions. '--protocol udp' implicit loads
the match extentions for the udp protocol, and thus:
'iptables -p udp', is the same as iptables -p udp -m udp'. See 'match
extentions' in the iptables manpage for more information.
Regards
Anders Fugmann
--
Author of FIAIF
FIAIF is an intelligent firewall
http://fiaif.fugmann.dhs.org
next prev parent reply other threads:[~2002-12-17 2:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-12-16 16:25 "iptables: Invalid argument" with kernel 2.4.20 cees-bart
2002-12-16 17:42 ` Rob Sterenborg
2002-12-17 2:19 ` Anders Fugmann [this message]
2002-12-16 19:35 ` Joel Newkirk
2002-12-17 9:55 ` cees-bart
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=3DFE89B0.7030607@fugmann.dhs.org \
--to=afu@fugmann.dhs.org \
--cc=netfilter@lists.netfilter.org \
--cc=rsterenborg@xs4all.nl \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.