Filter Proxy server behind firewall

From: thunai (thunai@cisco.com)
Date: Wed Apr 21 2004 - 08:54:20 GMT-3


Dear all ,
              Is there any way i can block proxy servers sitting behind
firewall ( Inside ) network. Eg , let say host 1, host 2 are stationed on
the inside interface of Firewall , i am permitting host 1 to access the
internet through Firewall. However host 1 installs a Http proxy and allowing
host 2 to access the Internet. Can you please give your ideas in filtering
the same.

Regds
Thunai



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