Yeah .... squid supports only HTTP but also support connection tunneling with CONNECT method.
My experiences showed that almost all 'P2P-through-squid' uses CONNECT and connects to IP addresses instead of hostnames. My experiences showed that CONNECT to ip addresses almost do NOT happen in real life. Real life CONNECTs uses hostnames.
I have filtered, in some sites, CONNECT with IP addresses and successfully dropped P2P through squid as well as Skype connections.
You should notice, however, that usually NATting of TCP/443 port (usually HTTPS) is allowed and some P2P as well as Skype can work using that door. So, maybe you will need to block NAT of tcp/443 port and requires that every browser is configured for proxy for a complete blocking of P2P stuff.
Adrian Chadd escreveu:
Squid doesn't support p2p protocols that aren't HTTP. :) On Wed, Jan 23, 2008, Frank Bonnet wrote:Hello Is there a way to use squid proxying with P2P clients ? if yes is it possible to avoid it or do I have to filter with my firewall ? infos links tricks welcome
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