How does linux check the status of the firewall and turn on and off commands

Editor to share with you how linux check the firewall status and turn on and off commands. I hope you will get something after reading this article. Let's discuss it together.

There are two ways for linux to check the status of the firewall and enable and close the command:

I. service mode

View firewall status:

[root@centos6 ~] # service iptables status

Iptables: the firewall is not running.

Turn on the firewall:

[root@centos6 ~] # service iptables start

Turn off the firewall:

[root@centos6 ~] # service iptables stop

II. Iptables mode

Enter the init.d directory first, and use the following command:

[root@centos6 ~] # cd / etc/init.d/ [root@centos6 init.d] #

And then

View firewall status:

[root@centos6 init.d] # / etc/init.d/iptables status

Temporarily turn off the firewall:

[root@centos6 init.d] # / etc/init.d/iptables stop

Restart iptables:

[root@centos6 init.d] # / etc/init.d/iptables restart

The above two commands are commonly used to check the status of the firewall and turn it on and off under linux.

What is Linux system Linux is a free-to-use and free-spread UNIX-like operating system, is a POSIX-based multi-user, multi-task, multi-threaded and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

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