Port translation

Uno Engborg uno at webworks.se
Sun Jul 13 00:18:41 UTC 2008

stan skrev:
> Uno Engborg wrote:
>> Rüdiger Pretzlaff skrev:
>>> Am 12.07.2008 um 12:21 schrieb Uno Engborg:
>>>> For various reasons I would like to  forward trafic to port 390 to 
>>>> port 5432 on the same host. One would think this would be a
>>>> simple task for iptables but I have now tinkered with this for two 
>>>> days, and I still fail to get it right.
>>>> I have also tried :
>>>> iptables -t nat -A PREROUTING  -p tcp --dport 390 -j DNAT --to 
>>>> where is the address of the host
>>>> Any ideas on how to do this?
> From the man page it looks like you need a colon on the port for DNAT 
> (and no IP
> as it will stay the same if not specified, just what you want).
> iptables -t nat -A PREROUTING  -p tcp --dport 390 -j DNAT 
> --to-destination :5432
> I haven't tested, but it seems it should work.
Yes,  removing the IP address was probably an improvemnet, but not 
enough to make it work.

Uno Engborg

More information about the fedora-list mailing list