Method and system for controlling access to Internet sites via cache server

摘要

The process involves implementing an access control service, which intercepts responses sent by websites, and analyzing each response to extract a user identification information, address and access code of the website. A session corresponding to extracted information is opened. The intercepted information is modified to activate log-off command display on a user terminal. The modified information is retransmitted to a user. An independent claim is also included for a system of controlling access to Internet sites.