CentOS 7: How do I install a firewall?

For the pure version of CentOS 7, you must install the firewall manually. But if you install a firewall or you can't run it right away, you need to do something else to make it work.

Follow these steps to set up your firewall in CentOS 7

First step, install System-config-firewall-tui via yum

Yum Install System-config-firewall-tui

Second step, after the installation is complete, execute the following command

Systemctl Stop Firewalld.servicesystemctl Disable Firewalld.service

Step three, start the firewall

System-config-firewall-tui

More >>centos 7: How do I install a firewall?

CentOS 7: How do I install a firewall?