From: Jason Opperisano <opie@817west.com>
To: netfilter@lists.netfilter.org
Subject: Re: NAT support for peer-to-peer games
Date: Tue, 21 Sep 2004 09:08:14 -0400 [thread overview]
Message-ID: <1095772094.1897.6.camel@wolfpack.ljm.dom> (raw)
In-Reply-To: <00cf01c49fb1$da5492e0$e310f43e@manowar>
On Tue, 2004-09-21 at 04:04, Serguei I. Ivantsov wrote:
> Hello!
>
> I just interesting - whether something changes in Netfilter to support
> peer-to-peer games.
> How to implement the scheme described below using netfilter?
>
> <from the article>
[ snip ]
DNAT the necessary ports on the outside of your netfilter box to the
host on the inside that your playing games from, and put a rule in the
FORWARD chain that allows the traffic as well.
example--game port is UDP 7777:
iptables -t nat -A PREROUTING -i $EXTERNAL_IF -p udp \
-d $EXTERNAL_IP --dport 7777 -j DNAT --to-destination $CLIENT_IP
iptables -A FORWARD -p udp -d $CLIENT_IP --dport 7777 -j ACCEPT
adjust accordingly for you particular level of paranoia.
-j
--
Jason Opperisano <opie@817west.com>
next prev parent reply other threads:[~2004-09-21 13:08 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-21 8:04 NAT support for peer-to-peer games Serguei I. Ivantsov
2004-09-21 13:08 ` Jason Opperisano [this message]
2004-09-22 6:45 ` Kenneth Porter
2004-09-23 8:45 ` Andy Furniss
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