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Quick note on firewalld usage
This is practically /ufw, but fore Firewalld which Fedora comes with. The blog post also predates me having a /n directory here.
After done, run
sudo firewall-cmd --reload
Zones
firewalld zones are privilege of NetworkManager users, this tends to be a systemd-networkd household. Then again I don’t believe in absolutely trusted zones.
Zone would be specified by --zone=home
in the commands.
The other zone I could imagine using is public
.
Services
sudo firewall-cmd --add-service=mosh --permanent
Ports
# TODO: Don't do this, this is a ppor example.
# firewalld surely recognises 631 as a service of some name,
# and as noted before, --zone won't work on my systems.
sudo firewall-cmd --zone=home --permanent --add-port=631/tcp
- 631/tcp is used by cups.