Hello Jim, Monday, May 27, 2002, 7:59:03 PM, you wrote: JH> For what kind of client, using what protocol? For IRC client, using TCP protocol and can work through proxy. I can't use SecureNAT or Firewall Client. Because all clients behind SQUID Proxy on Linux box. JH> 6667 is usually IRC, but is also a known trojan port... Yes I understand clearly that 6667 not only IRC. JH> Jim Harrison -- Best regards, Robert MCSE(NT4,W2k)