This trick is slightly old but pretty cool nevertheless. If you are stuck with an access-control system, which forbids a certain site from being accessed then you can use the Google's translation service like a Web proxy to get to the the site. Just use the following syntax:
http://www.google.com/translate?langpair=en|en&u=www.site.com
Replace the www.site.com with the site that you are trying to access. In this case, Google will access the pages like a web proxy and translate it back to the same language (english to english here). If you are accessing a site in a different language change the langpair to the appropriate tags.
Do remember that this technique is not guaranteed to work everywhere or with every kind of firewall or access-control system out there, nor will it hide your IP address. But do let us know how the Google proxy idea worked for you.
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