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Most people do not understand the knowledge points of this article "how to configure a firewall in Centos", so the editor summarizes the following, detailed content, clear steps, and has a certain reference value. I hope you can get something after reading this article. Let's take a look at this "how to configure a firewall in Centos" article.

Basic operating commands for firewalls

1. Query firewall status:

[root@localhost ~] # service iptables status

two。 Turn on the firewall:

[root@localhost ~] # service iptables start

3. Turn off the firewall:

[root@localhost ~] # service iptables stop

4. Restart the firewall:

[root@localhost ~] # service iptables restart

5. Permanently turn off the firewall:

[root@localhost ~] # chkconfig iptables off

6. Turn on the firewall after permanent shutdown:

[root@localhost ~] # chkconfig iptables off

Supplement

Edit / etc/sysconfig/iptables file, you can configure different ports to provide services.

The above is about the content of this article on "how to configure firewalls in Centos". I believe we all have a certain understanding. I hope the content shared by the editor will be helpful to you. If you want to know more related knowledge, please pay attention to the industry information channel.

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