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10.10.2004 at 05:59AM PDT, ID: 21162674
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8.0

port monitoring and fowarding

Asked by boodabelly in Game Programming

Tags: , ,

I am stuck behind a firewall with the only ports open on the proxy being 3128 and 21 (for FTP).  What I am contemplating, is writing an application to watch certain ports and forward those ports to 3128 so I can get out from behind the firewall.

For example, steam, the valve software requires the following ports open in order to connect:
UDP 1200
UDP 27000 to 27015 inclusive
TCP 27030 to 27039 inclusive

What I would like to do is monitor the traffic on those ports and forward it to the proxy server at port 3128.  Steam is just an example, but a good example of a program that cannot be configured to work with a proxy server.

Any information is appreciated, not really looking for source code, but the theory behind doing this.  Of course source code will also work as a reference to the design.  I have done TCP programming before, but I am not sure how to monitor certain ports.  It will be developed for both my Win32 and Linux boxes.

TIA

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[+][-]10.29.2004 at 06:28PM PDT, ID: 12449944

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About this solution

Zone: Game Programming
Tags: firewall, monitoring, open
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Solution Provided By: georg74
Participating Experts: 1
Solution Grade: A
 
 
[+][-]10.30.2004 at 01:08AM PDT, ID: 12450844

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