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Blocking Peer-to-Peer File Sharing Programs with Cisco Firewall & Router

By Damien Stolarz
March 21, 2004 | Comments: 1

This is a nice synopsis of major P2P applications and their networking, in the form of a "how to block these apps". Gives some insight on P2P and firewalls.

1 Comments

jwenting said:

or take the reverse approach
and block all ports except a few very specific ones and link those to specific protocols and maybe even hosts (effectively allowing only HTTP and SMTP to go out and that only from the proxy server).

March 22, 2004 4:11 AM