Add a file flag to trigger the forced serial or else we may miss it during a firmware update and still end up with an accidentally disabled port.
Re-enabling static lease updates
Merge pull request #986 from andrespetralli/master

Re-enabling static lease updates
Wrap this in an is_array() test, or else if you have no manually configured DNS servers, saving the DHCP settings produces a PHP error.
sync up ALTQ-capable interfaces list
Fix typo on var name
Remove broken 'dynamic6' gateway, we already have ipprotocol to tell us the IP version, leave it more simple using only 'dynamic'. It helps #3484
Validate if src OR dst have IP address set when protocol is IPv4+v6. Fixes #3499
s/unlink/unlink_if_exists/