After the upgrade a default firewall rule was added to block all traffic from Fi...

variety8675 8 months ago | parent | context | favorite | on: Firefox no longer works after upgrading to macOS S...

After the upgrade a default firewall rule was added to block all traffic from Firefox. Running /usr/libexec/ApplicationFirewall/socketfilterfw --add /Applications/Firefox.app adds a rule to allow it and the app works as normal.

smcleod 8 months ago [–]

Doesn't explain why it sometimes works sometimes doesn't though?