Jak odblokovat blokované stránky

Čaute ve škole nám zablokovali youtube a facebook a tak se ptam jestli není nějaký tip hacku jak to odblokovat píše to tam presně toto děkuji za radu ahoj .-)

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Error Code: 403 Forbidden. Forefront TMG denied the specified Uniform Resource Locator (URL). (12232) 
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Date: 29.9.2011 6:11:44 [GMT] 
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