How to Start and Enable Firewalld on CentOS 7

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In this article, we discuss how to start and enable firewalld. It is highly recommended that you have a firewall protecting your server.
Pre-Flight Check
  • These instructions are intended specifically for enabling and starting Firewalld CentOS 7.
  • I’ll be working from a Liquid Web Self Managed CentOS 7 VPS server, and I’ll be logged in as root.
Enable Firewalld
To enable firewalld, run the following command as root: systemctl enable firewalld
Start Firewalld
To start firewalld, run the following command as root: systemctl start firewalld
Check the Status of Firewalld
To check the status of firewalld, run the following command as root: systemctl status firewalld
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