> hi all, > does anyone have an idea about blocking "yahoo messenger" > using iptables? thanks afshin Maybe it's quite rude to block 4 /24 nets, but Messenger kept connecting in these ranges and on different ports (5050, 23, 80) so I just did this : iptables -A FORWARD -d 216.136.223.0/24 -j REJECT --reject-with tcp-reset iptables -A FORWARD -d 216.136.224.0/24 -j REJECT --reject-with tcp-reset iptables -A FORWARD -d 216.136.227.0/24 -j REJECT --reject-with tcp-reset iptables -A FORWARD -d 216.136.233.0/24 -j REJECT --reject-with tcp-reset Of course you are welcome to find out exactly what servers Messenger using to block them individually ; I didn't take the time to do that. Gr, Rob
