20250920 Configuration: Apache HTTP Service & Firewall Settings
# systemctl start httpd; systemctl enable httpd; systemctl status httpd
● httpd.service - The Apache HTTP Server
   Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
  Drop-In: /usr/lib/systemd/system/httpd.service.d
         └─php-fpm.conf
   Active: active (running) since Tue 2021-11-16 03:50:34 UTC; 14s ago Docs: man:httpd.service(8)
   Main PID: 94043 (httpd)
   Status: "Running, listening on: port 443, port 80"
   Tasks: 213 (limit: 12436)
   Memory: 25.4M
   CGroup: /system.slice/httpd.service
           ├─94