MECHANISM TO BLOCK WEB SITES USING RETURN TRAFFIC

摘要

A method and apparatus for blocking websites using return traffic are described including receiving a request for access to a blocked website from a user, determining if the request includes a first domain name, transmitting the request if the request does not include the first domain name, receiving return traffic in response to the transmitted request, determining if a second domain name in the return traffic matches the first domain name, blocking access to the website if the first domain name and the second domain name match and discarding the return traffic if the access is blocked.

主权项

1. A method for blocking websites using return traffic, said method comprising:
receiving a request for access to a blocked website from a user; determining if said request includes a first domain name; transmitting said request if said request does not include said first domain name; receiving return traffic in response to said transmitted request; determining if a second domain name in said return traffic matches said first domain name; blocking access to said website if said first domain name and said second domain name match; and discarding said return traffic if said access is blocked.