First download PS3 ProxyServer (http://www.ps3news.com/forums/downlo...o=file&id=3673)Sponsored Links
Note that you need .NET Framework 1.1.4322 ([Register or Login to view links])
After installed, go to directory where you did install it and run it. You will see following screen:
Then fire up your PS3 and go to: [Settings] -> [Network Settings]
Select [Internet Connection Settings]
Now it will ask you to select a setting method. Pick Custom, and ignore the questions and go all way to the Proxy question. Select: Use.
Now put in same IP Address as you did in PS3Proxy and remember to put same port too!. After this press OK and try to connect back PSN.
You should now see text on Logs section back at PS3Proxy program. Now PS3Proxy is set up and working!