For learning socket programming this program is a nice tutorial , IpShower
can show you a site ip adress , inform you whether you connect through a proxy server or not ,
if you connect a proxy , program tells you its information.Also , it can simply change the system dns adress and turn on default settings.
http://rapidshare.com/files/158633509/IpShower.rar.html

and what is the link with this forum?

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