pfSense

Add check for local port being set before testing. Fixes #2606

Fix IPv6 remote_network typo

The IPv4 remote network was being displayed in both the IP4 and IPv6 input fields. Then whatever value was in the IPv6 field ended up in the config as the IPv4 remote network.
Just a couple of missing "v6" on variable names.

Test for an array before using it like one.

Fix another typo

Fix typo

Teach ntpd how to get its time from a local GPS on serial.

Test for an array before using it like one.

Use REQUEST_URI here so the GET parameters are preserved (makes the links work better for things like interfaces.php?if=wan, and packages.

Disable Execution timeout for this script.

Extend the shortcuts code and link back from Status > Services also.