Redirect Command

Vernon A. Fort vfort at provident-solutions.com
Thu Apr 21 15:58:21 CEST 2005


Hernan Arredondo wrote:

>Hi all,
>
>I'm new with iptables, I trying to create a rule that redirect all the
>packets that goes to the port 25 of my firewall to the port 25 in a
>Internet LAN machine, then I execute the command:
>
>/sbin/iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 25 -j DNAT
>--to 192.168.10.12:25
>
>eth0 is the host exposed directly to Internet, and 192.168.2.12 is the
>host in the LAN.
>  
>
You should also have a FORWARD rule:
    /sbin/iptables -A FORWARD -p tcp -d 192.168.10.12 --dport 25 -j ACCEPT

Vernon



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