Linux Netfilter discussions
 help / color / mirror / Atom feed
From: Simon Loewen <simon@simonloewen.com>
To: netfilter@lists.netfilter.org
Subject: drop all out going SMTP connection bar two
Date: Tue, 01 Aug 2006 18:50:42 -0400	[thread overview]
Message-ID: <44CFDAC2.6010601@simonloewen.com> (raw)

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512



Hi,

I would like to drop all out going SMTP connections through our router
except smtp1.internal and smtp2.internal on all of the outbound
interfaces.  I would like to filter on the destination port 25.

Would this be easy to do?

Thanks for any advise,
S.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.4 (GNU/Linux)

iD8DBQFEz9rCkcP1ZXUvpGURCrZ7AJ4haVmH4Hypjq6LjgBFRNFav6EQ1QCgkMkk
m4I4NLc3u12NXg2cOwdrCxE=
=kQ8+
-----END PGP SIGNATURE-----



             reply	other threads:[~2006-08-01 22:50 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-01 22:50 Simon Loewen [this message]
2006-08-02 12:02 ` drop all out going SMTP connection bar two Gáspár Lajos

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=44CFDAC2.6010601@simonloewen.com \
    --to=simon@simonloewen.com \
    --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