I am trying to block people in my organisation to use ICQ & WebICQ . What should I do on the firewall ?
1. Assume the ICQ using HTTP protocol to communicate, and I would like to block any URL containing string such as icq.com/icq (please note that I may not know the whole URL), which product do I need? WebShield or IntruShield?
So, with that policy, Should I block the following address:
And more, but with one rule…