From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pascal Hambourg <pascal.mail@plouf.fr.eu.org>
Subject: Re: Filter ips
Date: Fri, 01 Sep 2006 12:14:11 +0200
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To: netfilter@lists.netfilter.org

Hello,

nunezj@ucbcba.edu.bo a =E9crit :
>=20
>  I put this rules in the my script:
>=20
>  iptables -A INPUT -s 192.168.0.5/32 -d 0/0 -p tcp --dport 20,21 -j DRO=
P
>=20
>  but it doesn't work.

What do you mean *exactly* ?
--dport expects a port interval, not a port list : --dport 20:21