pfSense

Set FW log widget min interval to 5. Fixes #12673

Fix syntax error (short open tag)

Fix log widget callback filename. Issue #12673

Improve the messaging used when the upgrade system is busy.

Replace the generic 'error' message by a correct and more clear message.

Reflect config value of ddnsreverse for DHCPv6. Fixes #15118

Disallow hostnames in Kea NTP. Fixes #14991

• If they are in the config.xml data already, do not write them into
  the Kea configuration.
• Do not allow the user to enter them in the GUI

Instrument the upgrade JSON data with more information about errors and failures.

Now, with the proper return code, instead of presenting no data to the user when
the pfSense-upgrade is busy (running in background), explain properly what is
happening.

Catch/handle some HTTP errors. Implements #15322

• Catch 50x errors, even from PHP FPM, so users don't end up with a
  blank white screen if an error happens too early in processing.
• Catch 404 errros.
• Handle both with static pages since PHP-FPM may have an issue of its...

Correct empty resolver alias handling. Fixes #14942

Adjust unbound host alias validation. Fixes #14942