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> **Possible Duplicate:**  
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> [How can I make it as difficult as possible to connect to the Internet from my “work computer”?](https://superuser.com/questions/32728/how-can-i-make-it-as-difficult-as-possible-to-connect-to-the-internet-from-my-wo) 
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Is there any software that locks out internet access on my computer for a fixed time and won't unlock even if my life depended on it ?