8 commands for the management of iptables under Linux system

Although iptables in the UNIX system is not a service, but in order to facilitate the usual management of Iptables wrote a chkconfig startup script (chkconfig startup script can see http://jim123.blog.51cto.com/ 4763600/1845648), defined in the/etc/init.d/-rc.d/init.d directory, but Iptables and normal service services have several more commands

Usage:/etc/init.d/iptables {start|stop|reload|restart|condrestart|status|panic|save}

The following 5 items are commonly used:

Start: Startup (read the rules in the configuration file) Stop: Stop (purge rule) Restart: Restart (purge rules to read the rules in the configuration file) Save: Save (rule saved to profile) Status: View status (view currently used rules)

The other 3 types are as follows:

Reload: Overloads, effects and restart, many new systems generally do not use Condrestart: The additional modules used to load iptables, and restart a bit like, if the service is currently running, it can restart the service, However, if the service is not running, Condrestart is unable to start the service, panic: Empty the rules and set all the table's policy to drop, this is generally used on the remote production server do not use, it is not connected to the

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8 commands for the management of iptables under Linux system