Re: Iptables config
En réponse à Michal Melewski <mike@pn66.poznan.sdi.tpnet.pl>:
> On Fri, Apr 12, 2002 at 11:17:38AM +0200, Lars Roland Kristiansen
> wrote:
> > Hi - i have just installed an mailserver with postfix and
> wu-imap/pop3
> > now i just want to have iptables running. I am no iptables guro, i
> just
> > want to close all exept from ssh(port 22), pop3(port 110) and
> > imap(port143). Is there and easy way to do this. ????
>
> Sure it is easy...
> iptables -P INPUT DROP
> iptables -I INPUT -p tcp -s 0/0 --dport $port -i $dev -j DROP
well, it's better to replace DROP by ACCEPT in this last line if you want to
accept the packets ;)
> where dev is your interface , and port is your port (last rule have to
> be
> written thre times , each one for every port)
>
> This is the easiest way ,(i'm not saying the best :) )
>
>
> >
> > ___
> > Mvh./Yours sincerely
> >
> > Lars
> >
>
> --
> Michael "carstein" Melewski | "One day, he said, in a taped segment
> carstein@poznan.linux.org.pl | that suggested chemical
> interrogation,
> mobile: 502 545 913 | everything had gone gray."
> gpg: carstein.c.pl/carstein.txt | -- Corto , 'Neuromancer'
>
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