How to check firewall status in linux

How to check the firewall status in Linux: You can check the firewall status by executing the [chkconfig --list iptables] command. If you want to turn on the firewall, you can execute the [chkconfig iptables on] command.

The operating environment of this article: red hat enterprise linux 6.1 system, thinkpad t480 computer.

(Learning video sharing: linux video tutorial)

Specific method:

You can check the iptables firewall status through the following command:

chkconfig --list iptables

Methods to turn on and off the firewall:

1. Permanent effect

Turn on:

chkconfig iptables on 
chkconfig ip6tables off   ---针对ipv6

Turn off:

chkconfig iptables off
chkconfig ip6tables off   ---针对ipv6

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