Hello bobo, Wednesday, December 18, 2002, 3:30:18 PM, you wrote: b> i have insert some rules to iptables firewall.now,i would b> like to delete it . b> but i only know to use iptalbes -L to empty them. b> but it lead to delete all the rules in it. b> how to do ?? Try to use iptables -D INPUT 1 this will delete rule 1 in input chain -- Best regards, ITM mailto:ruslan@complexsystem.ru