root@115:~# firewall-cmd --list-ports 20/tcp 21/tcp 22/tcp 80/tcp 443/tcp 39000-40000/tcp root@115:~# firewall-cmd --remove-port=39000-40000/tcp --permanent success root@115:~# firewall-cmd --list-ports 20/tcp 21/tcp 22/tcp 80/tcp 443/tcp 39000-40000/tcp root@115:~# firewall-cmd --remove-port=39000/tcp --permanent Warning: NOT_ENABLED: 39000:tcp success root@115:~# firewall-cmd --remove-port=40000/tcp --permanent Warning: NOT_ENABLED: 40000:tcp success root@115:~# firewall-cmd --reload success root@115:~# firewall-cmd --list-ports 20/tcp 21/tcp 22/tcp 80/tcp 443/tcp root@115:~# firewall-cmd --add-port=6115/tcp --permanent success root@115:~# firewall-cmd --reload success root@115:~# firewall-cmd --list-ports 20/tcp 21/tcp 22/tcp 80/tcp 443/tcp 6115/tcp [root115@115 ~]$ sudo firewall-cmd --add-service=ftp --permanent success [root115@115 ~]$ sudo firewall-cmd --reload success [root115@115 ~]$ sudo firewall-cmd --list-service dhcpv6-client ftp mdns ssh [root115@115 ~]$