RHEL/firewalld: Difference between revisions
< RHEL
(Created page with "== List Ports == == Add Port == firewall-cmd --add-port=80/tcp --permanent firewall-cmd --reload") |
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firewall-cmd --add-port=80/tcp --permanent | firewall-cmd --add-port=80/tcp --permanent | ||
firewall-cmd --reload | 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 == | |||
Latest revision as of 16:54, 3 August 2025
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: [1]
--
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: [2]