O.K. As adviced I have uploaded all rules from command line. With no error. Thanks. saved them as follows: [root@allweb root]# iptables-save > iptables No error. Thanks. Now I want to add following error at begining of the file from command prompt: ########### IPTABLES -F INPUT IPTABLES -F OUTPUT IPTABLES -F FORWARD IPTABLES -P INPUT DROP IPTABLES -P OUTPUT DROP IPTABLES -P FORWARD DROP ########### Can I upload straight as done earlier and then give command : iptables-save > iptables I am adding rules on live network. I don't want it to stop and create any problems. After saving all rules, what should be command for rules to save permenantly so that when I reboot system Rules should remain. I have tried to use iptables-save and iptables-restore but could not use properly, Therefore asking in detail. Please guide me to do. Thanks for support. --- Cedric Blancher <blancher@xxxxxxxxxxxxxxxxxx> wrote: > Le mar 23/12/2003 à 14:56, ads nat a écrit : > > Is it not allowed? > > When a file is iptables-save generated, it's better > not modifying it by > hand. Update your running ruleset then issue an > > iptables-save > iptables > > -- > http://www.netexit.com/~sid/ > PGP KeyID: 157E98EE FingerPrint: > FA62226DA9E72FA8AECAA240008B480E157E98EE > >> Hi! I'm your friendly neighbourhood signature > virus. > >> Copy me to your signature file and help me > spread! __________________________________ Do you Yahoo!? Protect your identity with Yahoo! Mail AddressGuard http://antispam.yahoo.com/whatsnewfree