Hi all Here are few rules from overs firewall, please let me know is this is the proper way to deal with windowz ports :) iptables -A INPUT -p TCP -s 0/0 -d 0/0 --dport 135:140 -j DROP iptables -A INPUT -p UDP -s 0/0 -d 0/0 --dport 135:140 -j DROP iptables -A FORWARD -p TCP -s 0/0 -d 0/0 --dport 135:140 -j DROP iptables -A FORWARD -p UDP -s 0/0 -d 0/0 --dport 135:140 -j DROP iptables -t nat -A PREROUTING -p TCP -s 0/0 -d 0/0 --dport 135:140 -j DROP iptables -t nat -A PREROUTING -p UDP -s 0/0 -d 0/0 --dport 135:140 -j DROP Or we are unnecessary repeating it on some chains/tables. regards Askar Ali