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16 January, 2009

Proxy Servers and Anonymizers


Proxy is a network computer that can serve as an intermediate for connection with other computers. They are usually used for the following purposes:

 




  • As firewall, a proxy protects the local network from outside access.

  • As IP-addresses multiplexer, a proxy allows to connect a number of computers to Internet when having only one IP-address.

  • Proxy servers can be used (to some extent) to anonymize web surfing.

  • Specialized proxy servers can filter out unwanted content, such as ads or ‘unsuitable’ material.

  • Proxy servers can afford some protection against hacking attacks.


Anonymizers



  • Anonymizers are services that help make your own web surfing anonymous.

  • The first anonymizer developed was Anonymizer.com, created in 1997 by Lance Cottrell.

  • An anonymizer removes all the identifying information from a user’s computers while the user surfs the Internet, thereby ensuring the privacy of the user.

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