Firewalld commands

Sep 15, 2021 dev:web

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firewalld commands

to check the server

sudo systemctl status firewalld
sudo systemctl start firewalld
sudo systemctl stop firewalld
sudo systemctl restart firewalld

to list

firewall-cmd --list-all
firewall-cmd --list-services
firewall-cmd --list-ports

to add

sudo firewall-cmd --zone=public --permanent --add-port=PORT/tcp
sudo firewall-cmd --reload

to close

sudo firewall-cmd --zone=public --permanent --remove-port=PORT/tcp
sudo firewall-cmd --reload

Senior Software Engineer with 18 years of experiences wearing multiple hats. Full stack engineer with computer graphics background