Instructions
Select "Settings" then "Network Settings" and finally "Internet Connection Settings."
Select "Custom" for "Settings."
Set "IP Address Configuration" to "Automatic."
Set "DHCP" to "Do Not Use."
Set "DNS Settings" and "MTU" to "Automatic."
Set "Proxy Server" to "Use."
Set "Address" to "bypass356.servehttp.com " and the port to "7070" for your proxy server settings.
Set "UPnP" to "Enable."
Select "Test Network Connectivity." Your PlayStation 3 should successfully connect to the Internet.
Back out of the "Settings" menu and connect to the PlayStation Network.