* IP Â÷´Ü iptables -A INPUT -p tcp -s 222.169.33.74 -j DROP * iptables -I INPUT -p tcp -s 222.169.33.74 -j DROP * ¹æÈº® ¼³Á¤ ¸ðµÎ »èÁ¦ iptables -F * ¹æÈº® ¼³Á¤ º¸±â iptables -L