[CentOS] firewalld management on a headless server

Mike wrote:
> Nice catch, Mr. Schumacher --->  The following modules are included as
> standard with release 1.831 of Webmin. FirewallD firewalld.wbm.gz
> Configure a Linux firewall using FirewallD, by editing allowed
> services and ports.
>
> This is likely the right tool for the job.
>
Webmin used to be considered insecure, and people would scream and yell if
you suggested using it. Has that changed?

      mark