pfSense

Remove use of 0.0.0.0 alias in pfSense-dhclient-script. Fixes #14966

Support URL IP aliases in alias_expand(). Fix #14947

Bump to 2.7.1-RC

Specify specialnet flags when calling get_specialnet(). Fix #14935

Allow passing specialnet flags to pconfig_to_address() to correctly
handle address/network config elements. Also correctly handle VIP
selection in nat/binat rules.

Update version to 2.7.1

kea: validate v4 client identifiers as being valid hex strings, otherwise wrap in single quotes

Don't use aliases in binat rules. Fix #14918
While there, handle negated binat addresses.
Also use the correct specialnet description.

Selectively kill DHCP server by family. Fixes #14897

Fix some syntax/logic errors in interface config.

Save rules changes before the ruleset is sorted.