I upgraded to Debian testing/trixie, and my network printer stopped appearing in print dialogs. These are notes from the debugging session. Check firewall configuration I tried out kde, which installed plasma-firewall, which installed firewalld, which closed by default the ports used for printing. For extra fun, appindicators are not working in Gnome and so firewall-applet is currently useless, although one can run firewall-config manually, or use the command line that might be more user frie...| Enrico's blog
OpenSuSE has a well deserved reputation for being "expert friendly" and Leap 15.6 doesn't do a lot to fix that. Despite copious . . .| Logikal Blog
Videostream is the ultimate Chromecast app. Unfortunately, Chromecast and Videostream do not work out of the box on recent Fedora versions due to firewalld: ...| pellegrino.link