On Tue, Sep 29, 1998 at 10:42:09PM -0400, Kent Quirk wrote:
> Background: our server was set up by someone who no longer works here.
> We've been using ip masquerading to provide access from several machines
> to the net with no trouble. I know enough about Linux to be dangerous,
> but I'm most definitely not a guru.
>
> We've just installed a new server behind our Linux firewall. It's
> running one special protocol that uses one port. I'd like to make it
> available so that someone from outside can get to that machine.
>
> I'd like to have all the packets sent to our IP address that use a
> specific port, say 2222, get forwarded to 192.168.1.99, still using the
> same port.
>
> I've been through the man pages for ipfwadm and ipfw, and a good chunk
> of the archives for this list. One of those messages suggested ipautofw,
> but we don't have the man page and the -? help isn't enough to clue me
> in. I can't find any trace of ipportfw on our system.
>
> Can someone please tell me what I need to tell either ipfwadm or
> ipautofw to make this happen?
ipportfw does precisely what you're looking for, and does it very well. It's
also very easy to configure and use. You'll need a kernel patch, available from
http://www.monmouth.demon.co.uk/ipsubs/portforwarding.html. There you'll also
find instructions on how to put it all together.
Let me know if you have any other questions.
Chris
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