Bash/Port/Forward
Check Port is not used
# check port 22200
fuser 22200/tcp
# check port 55500
fuser 55500/tcp
Enable Specific Port
firewall-cmd --zone=public --permanent --add-port=22200/tcp
firewall-cmd --zone=public --permanent --add-port=55500/tcp
firewall-cmd --reload
netstat
Enable Range of Port
firewall-cmd --zone=public --permanent --add-port=22200-22290/tcp
firewall-cmd --zone=public --permanent --add-port=55500-55590/tcp
firewall-cmd --reload
netstat