From: Robert Vangel <vangelr@rfgt.net>
To: netfilter@lists.netfilter.org
Subject: Re: iptables LOG options
Date: Tue, 24 May 2005 12:00:15 +0800 [thread overview]
Message-ID: <4292A6CF.4020904@rfgt.net> (raw)
In-Reply-To: <4292A1A7.3020401@poornam.com>
[-- Attachment #1: Type: text/plain, Size: 792 bytes --]
Binish A R wrote:
> Hello,
>
> I am trying to write my custom firewall rules.
> I want to drop all outgoing ssh for non root users and log any such
> attempts at the same time.
> I want to log the username trying to do that. What option should I give?
>
> The following won't definitely work.
>
> iptables -I OUTPUT -p tcp --dport 22 -m owner ! --uid-owner root -j LOG
> --log-prefix "$USER NO SSH ALLOWED"
>
> because the shell expands $USER variable immediately.
>
> Is there any other option to find the value of owner that get matched by
> the below rule:
>
>
> iptables -I OUTPUT -p tcp --dport 22 -m owner ! --uid-owner root
>
>
> Any help is much appreciated.
>
>
> Thanks and Regards,
>
> Binish
>
>
>
Make it `--uid-owner ! root' instead of `! --uid-owner root'
[-- Attachment #2: S/MIME Cryptographic Signature --]
[-- Type: application/x-pkcs7-signature, Size: 3166 bytes --]
next prev parent reply other threads:[~2005-05-24 4:00 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-05-24 3:38 iptables LOG options Binish A R
2005-05-24 4:00 ` Robert Vangel [this message]
2005-05-24 4:17 ` Binish A R
2005-05-24 5:01 ` Robert Vangel
2005-05-24 5:16 ` Binish A R
2005-05-24 5:30 ` Robert Vangel
2005-05-24 5:39 ` Binish A R
2005-05-24 14:43 ` Taylor, Grant
2005-05-25 6:55 ` R. DuFresne
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=4292A6CF.4020904@rfgt.net \
--to=vangelr@rfgt.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 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.