accessing local machine through webserver

[johng75]

heres the situation

i have an AIX(unix) machine that is running a webbased app to get to it internally we open up a web browser and type "

http://(ip):(port

number), this initial port number acts as a distribution port, we have another back of ports on the same server, and the initial port looks as forwards a user to one of the open ports within that bank

the AIX machine is behind a firewall

what i would like to do is have the outside world goto our web server, click on a link, that gets routed to the initial port, which will then assign to one of the ports in the bank.......

any ideas on where i need to get started? obviously i can use the link inside the firewall and it routs me to the initial port, but the url changes from the website to the iternal IP and port.....

is there some kind of port forwarding or????

any leads would be greatly appreciated

the web server in win 2003 std all updates in place runing IIS6








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