Yes, it is a know issue -at least by me- but it's a problem inside MSN's Messenger design; even though it's gotten better after 6.0, it happens not only with iptables but with many other routers in the market. -- Juan Hernandez, RHCE SCSA Developer/SysAdmin | .knxTech C.A. | GNU Support and Development CC Los Chaguaramos, Ofc 16-10B | Tel: (58) 212-6624745 Los Chaguaramos, Caracas-Venezuela | Mobile: (58) 412-5821882 Programmin' Python is like sugar... Sweet ;)