From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Kearey <mutk@iprimus.com.au>
Subject: Re: string is not working, any help?
Date: Wed, 11 Jun 2003 11:16:32 +1000
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To: IPtables Users <netfilter@lists.samba.org>

Esteban wrote:
<snip>
> root@dejawu:~# iptables -t mangle -A PREROUTING -p tcp -m --string
> "pepee" -j DROP
> iptables v1.2.7a: Couldn't load match
> `--string':/lib/iptables/libipt_--string.so: 

The clue is above. You don't have 'so' called libipt_--string, it's 
called libipt_string.so

>cannot open shared object
> file: No such file or directory
> 
> Try `iptables -h' or 'iptables --help' for more information.
> 
> why is not working --string match??
> im using pom version patch-o-matic-20030107 under 2.4.20 kernel.

The correct syntax is :

iptables -t mangle -A PREROUTING -p tcp -m string "pepee" -j DROP

Cheers,
Michael