How to disable the firewall on CentOS?

1. Turn off the firewall using commands.

First, use the following command to check the current firewall status:

systemctl status firewalld

If the firewall is currently active, you can stop it and disable it by using the following command:

systemctl stop firewalld
systemctl disable firewalld

1. Turn off the IPtables firewall by using the command.

If you are using IPtables as a firewall, you can stop and disable IPtables using the following command:

systemctl stop iptables
systemctl disable iptables

1. Reboot the operating system.

Finally, restart the operating system to apply the changes.

reboot

Note: After disabling the firewall, the security of the system may be compromised. Please ensure that you only perform this operation in a secure network environment.