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From: Jim Laurino <nfcan.x.jimlaur@dfgh.net>
To: netfilter@lists.netfilter.org
Subject: Re: Simple question (nfcan: addressed to exclusive sender for this address)
Date: Wed, 5 May 2004 12:35:29 -0400	[thread overview]
Message-ID: <20040505163529.GA27677@salty> (raw)
In-Reply-To: <001501c432b5$7a5c5f80$a704a8c0@mpro4167> (from +nfcan+jimlaur+47365373fb.omagrane#mediapro.es@spamgourmet.com on Wed, May 05, 2004 at 11:27:23 -0400)

On 2004.05.05 11:27, Oriol Magrané  - omagrane@mediapro.es  
wrote:
> 
>     Hello!
>     Just one question...
>     I have a firewall with the INPUT, OUTPUT and FORWARD
> policies set to DROP, and now I want to allow connections
> from localhost to localhost (any port). Which chains are
> implied here? INPUT? OUTPUT? Both?
>     How should the needed rule(s) be?
> 
>     Thank you very much in advance!
> 
>     Oriol
> 
>
I put these simple rules in my INPUT and OUTPUT chains.
I checked the counts, and these handle the most traffic,
so I put them first in their chains.

# accept packets originating on this machine
iptables -A INPUT -i lo -j ACCEPT

# allow packets from this machine to this machine
iptables -A INPUT -o lo -j ACCEPT

I hope that helps.

Jim



  parent reply	other threads:[~2004-05-05 16:35 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-05-05 15:27 Simple question Oriol Magrané
2004-05-05 16:19 ` Aleksandar Milivojevic
2004-05-05 16:25 ` Antony Stone
2004-05-05 16:35 ` Jim Laurino [this message]
2004-05-05 17:43 ` Martijn Lievaart
2004-05-06 21:45   ` Antony Stone

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