pfSense

Update IPsec Filter Mode text. Implements #12289

VTI mode also works for transport mode (e.g. GRE), so note that as well.

Increase default IPv6 router advertisement (RA) intervals and lifetime. Fixes #12280

Convert RAM disks to tmpfs. Implements #12145

Allow to use nested URL alias in URL alias. Fixes #11863

Port Forward None and Pass associated filter rule copy. Fixes #12272

Do not allow to select PPPoE Server interfaces on the DHCPv6 Server page. Fixes #12277

Regex cleanup should also kill {}. Fixes #12257

It's not used often (and less in the GUI) and can be a source of
problems with large numbers of repetitions even outside of grouped
expressions.

Merge remote-tracking branch 'origin/fix/12279'

Use SHA512 to hash user password. Implements #10298

Original commit by Viktor Gurov

Fixes #12279