> I`ve got this rulset but It doesn`t work what else do I need to add? > All the windows machine work msn, just on linux doesn`t > Any suggetions ? With these rules I'm successfully blocking MSN usage. Iptables : /usr/local/sbin/iptables -A FORWARD -p tcp --dport 1863 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.46.104.20 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.46.110.35 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.46.110.41 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.46.110.43 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.46.110.48 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.46.110.49 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.46.110.254 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.68.171.247 -p tcp --dport 80 -j REJECT --reject-with tcp-reset /usr/local/sbin/iptables -A FORWARD -d 207.68.178.239 -p tcp --dport 80 -j REJECT --reject-with tcp-reset Squid : # Deny MSN access to servers acl MSN_Servers dst 207.46.104.20 acl MSN_Servers dst 207.46.110.35 acl MSN_Servers dst 207.46.110.41 acl MSN_Servers dst 207.46.110.43 acl MSN_Servers dst 207.46.110.48 acl MSN_Servers dst 207.46.110.49 acl MSN_Servers dst 207.46.110.254 acl MSN_Servers dst 207.68.171.247 acl MSN_Servers dst 207.68.178.239 http_access deny MSN_Servers I don't know if the serverlist is complete, but at the moment it works for me. -- Rob