this post was submitted on 19 Jun 2024
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To start the firewall after you stopped it:
systemctl
is part of systemd - it starts and stops various services, shows statuses, lists available services, etc.There is documentation on opening ports here, plus more details on enabling & disabling the firewall: https://docs.fedoraproject.org/en-US/quick-docs/firewalld/#_controlling_ports_using_firewalld