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From: Pablo Neira <pablo@eurodev.net>
To: jasbir.k@gmail.com
Cc: netfilter@lists.netfilter.org
Subject: Re: iptables v1.3.4: STRING match: You must specify `--algo'
Date: Tue, 08 Nov 2005 02:01:06 +0100	[thread overview]
Message-ID: <436FF8D2.3070101@eurodev.net> (raw)
In-Reply-To: <1131367085.11452.9.camel@localhost.localdomain>

Jasbir Khehra wrote:
> Hi,
>    while  running this command
> # iptables -t nat -I PREROUTING -p tcp -s 192.168.2.20 -m string
> --hex-string '0d0a0d0a594d5347' -j REJECT
> 
> Not able to get the different options for '--algo' parameter . 
> Kernel 2.6.14 iptables v1.3.4  thanks - Jasbir 

--algo [bm|kmp]

bm: Boyer-Moore
kmp: Knuth-Pratt-Morris

Those are the algorithm implemented at the moment.

BTW, you should do that in the raw table, not nat. Nobody should use the
nat table for filtering purposes.

-- 
Pablo


  reply	other threads:[~2005-11-08  1:01 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-11-07 12:38 iptables v1.3.4: STRING match: You must specify `--algo' Jasbir Khehra
2005-11-08  1:01 ` Pablo Neira [this message]
     [not found]   ` <e053ca9d0511110554v2b8f187bh63526a9cf887dfbc@mail.gmail.com>
2005-11-12 12:03     ` Pablo Neira

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