Shulou(Shulou.com)06/01 Report--

This article mainly introduces the Linux commonly used command firewall-cmd how to use, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

The common Linux command firewall-cmd provides a dynamically managed firewall that supports network / firewall zones to define the trust level of network connections or interfaces. It supports IPv4, IPv6 firewall settings, and Ethernet bridges, and separates the runtime and permanent configuration options.

Syntax firewall-cmd [OPTIONS...] Option-h,-help: display help information

-V,-version: displays the version information of the command, which cannot be used with other commands

-Q,-quiet: status information is not printed

Example:

[root@S5 ~] ``# firewall-cmd-V``0.5.3`` [root@S5 ~]`` # firewall-cmd-h`` Usage: firewall-cmd [OPTIONS...] ``General Options``... Status option

-state: displays the shape of the firewalld

-reload: re-add without interruption of service

-complete-reload: re-add if all connections are interrupted

-runtime-to-permanent: permanently save the rules of the current firewall

-check-config: check configuration correctness

Thank you for reading this article carefully. I hope the article "how to use Linux commands firewall-cmd" shared by the editor will be helpful to everyone. At the same time, I hope you will support us and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.