[Firehol-support] Port forwarding

Costa Tsaousis costa at tsaousis.gr
Wed Sep 21 21:49:02 BST 2005


Hi,

I agree, you need a router that will allow the requests to be routed from
the ppp interface to the eth interface, and of course the relative
server/route entries accepted.

You can add 'log' arguments to your statements to trace it down.

Costa

>
> On Fri, Sep 16 '05 at 20:14, Jean de Largentaye wrote:
>> the config file includes the necessary:
>> dnat to $ipPC1:21 inface ppp0 proto tcp dport 13337
>> dnat to $ipPC1:10100-10499 inface ppp0 proto tcp dport 10100:10499
> To the best of my knowledge you must also add a route from ppp0 to the
> PC
>
> something like
>
> router dnat in ppp0 dst $ipPC1
>     router  ftp                                     accept
>     router  custom unknown tcp/10100:10499 default  accept
>
> The custom service syntax for sure is wrong. And you might also whant to
> add a dnat rule for port 20.
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