5/9/2023 0 Comments Firewall is disabled![]() Proceed to the How to Enable and Start firewalld section of the article. If the output reads Active: inactive (dead), the firewall is not running. That command configures the system to start the firewall after each server reboot. ![]() If you’re unsure whether the firewall manager started after a system reboot, consider issuing the following command: sudo systemctl enable firewalld If the output reads Active: active (running), the firewall is active. There are several outputs you may receive. To do so, open the terminal (CTRL-ALT-T) and run the following command: sudo systemctl status firewalld Start by booting up your CentOS 7 server and checking whether firewalld is running. ![]() It uses both default and custom zones to allow or disallow incoming traffic. It comes preinstalled and is active on the first boot-up. Firewalld is the default firewall manager on CentOS 7.
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