From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Beverley <andy@andybev.com>
Subject: Re: PREROUTING
Date: Wed, 05 Oct 2011 23:05:31 +0100
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To: Chris Percol <chris.percol@gmail.com>
Cc: netfilter@vger.kernel.org

On Wed, 2011-10-05 at 12:49 +0100, Chris Percol wrote:
> Hi,
> I am currently using the following rules on centos iptables to direct
> users from a --to-destination to different samba servers.
> What is the best approach to take to allow the users of 10.91.0.0 to
> also access Samba Server A?

I don't understand what you are trying to achieve. There are no
filtering rules below, so anybody trying to access Samba Server A will
be able to do so anyway?

> # Samba Server A
> /sbin/iptables -t nat -A PREROUTING -p udp --dport 137 -j DNAT
> --to-destination 192.168.1.10 --source 10.90.0.0/16
> /sbin/iptables -t nat -A PREROUTING -p udp --dport 138 -j DNAT
> --to-destination 192.168.1.10 --source 10.90.0.0/16
> /sbin/iptables -t nat -A PREROUTING -p tcp --dport 139 -j DNAT
> --to-destination 192.168.1.10 --source 10.90.0.0/16
> /sbin/iptables -t nat -A PREROUTING -p tcp --dport 445 -j DNAT
> --to-destination 192.168.1.10 --source 10.90.0.0/16
> 
> # Samba Server B
> /sbin/iptables -t nat -A PREROUTING -p udp --dport 137 -j DNAT
> --to-destination 192.168.2.10 --source 10.91.0.0/16
> /sbin/iptables -t nat -A PREROUTING -p udp --dport 138 -j DNAT
> --to-destination 192.168.2.10 --source 10.91.0.0/16
> /sbin/iptables -t nat -A PREROUTING -p tcp --dport 139 -j DNAT
> --to-destination 192.168.2.10 --source 10.91.0.0/16
> /sbin/iptables -t nat -A PREROUTING -p tcp --dport 445 -j DNAT
> --to-destination 192.168.2.10 --source 10.91.0.0/16
> 
> Thanks,
> Chris
> --
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