I have an webserver outside of my internal network, with the
ip ooo.ooo.ooo.ooo.

This server connects a machine in my internal network iii.iii.iii.iii
via tcp on port 32006 through my firewall fff.fff.fff.fff

the internal server iii.iii.iii.iii listens on port 3200.

Therefore I added the rule

rdr xl1 ooo.ooo.ooo.ooo/28 port 32006 -> iii.iii.iii.iii port 3200 tcp

to my /etc/ipnat.rules
and 

pass in log quick on xl1 proto tcp from any to iii.iii.iii.iii/20 port =
3200 flags S keep state

to my /etc/ipf.rules

But this does not work, my external server is not allowed to connect my
internal server.

Did anybody have similar problems and could provide me a solution?

Thanks for any help,

Thorsten


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