Change SSH port on CentOS 8 (with SELinux and Fail2Ban)
One of the most common tasks when setting up a SSH server is to change the SSH port. Changing the SSH port, as you will see in the next paragraph, is a trivial task. On CentOS,...
Tagged: firewallD
Change SSH port on CentOS 7 (with SELinux and Fail2Ban)
One of the most common tasks when setting up a SSH server is to change the SSH port. Changing the SSH port, as you will see in the next paragraph, is a trivial task. On CentOS,...
How to manage firewallD (on CentOS 7 and all the other distro)
A firewall is a security system used to control network traffic going in and out of computers. Today we might take it for granted, however the firewall still remains one of the most important security devices...
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