View source for RHEL/firewalld

== List Ports ==

== Add Port ==

 firewall-cmd --add-port=80/tcp --permanent
 firewall-cmd --reload

== Notes ==

== Firewall ==

Show running status:
 systemctl status firewalld
 # or
 firewall-cmd --state

Show open services (and associated ports):
 firewall-cmd --get-services
 # cockpit dhcpv6-client http https ssh

Show explicit ports added:
 firewall-cmd --list-ports

Open ports now (temporary):
 firewall-cmd --zone=public --add-service=http
 firewall-cmd --zone=public --add-service=https

Add specific port:
 firewall-cmd --zone=public --add-port=27000/tcp  # flexlm lmgrd service

ref: [https://www.digitalocean.com/community/tutorials/how-to-set-up-a-firewall-using-firewalld-on-centos-7]

--

Open ports now (temporary):
 firewall-cmd --zone=public --add-service=http
 firewall-cmd --zone=public --add-service=https
 firewall-cmd --zone=public --add-port=27000/tcp  # lmgrd

Add to startup script (persistent - does not alos open):
 firewall-cmd --zone=public --add-service=http --permanent
 firewall-cmd --zone=public --add-service=https --permanent
 firewall-cmd --zone=public --add-port=27000/tcp --permanent  # lmgrd

If you didn't use the --permanent, to save:
 firewall-cmd --runtime-to-permanent

ref: [https://serverfault.com/questions/674874/is-there-a-way-to-run-just-save-with-firewalld-in-rhel7]

== keywords ==