> . Line inserted showed by iptables -L -v -n but not block any IP-less > requests from address specified. Ping or any IP protocols blocking > success, but pppoe discovery, exchange and traffic pass the filter > wthout any problem with no rule countr increment. How i can fix this > thing? Or what i to do wrong? IPTables is IP filtering tool, you should look at arptables for any 3 layer protocol MAC-filtering. -- Best regards, Oleg