PR: https://github.com/opnsense/core/issues/1423

(cherry picked from commit 87dfc1f1)
(cherry picked from commit 76a2a1f3)
(cherry picked from commit e29f1b40)

(firewall) empty means "in"... confusing ;) https://github.com/opnsense/core/blob/17.1.2/src/etc/inc/filter.inc#L2314-L2315

(cherry picked from commit 63e8101e)

(cherry picked from commit 3e47ec94)

(cherry picked from commit 156f8d44)
(cherry picked from commit 261af80c)
(cherry picked from commit 052745d3)
(cherry picked from commit e134f0e4)

(cherry picked from commit 5ae13aaf)

IF -> Interface ("If" can be wrongly translated to a conditional ->
using interface will fix this)
Unlock the cell width: This will prevent Firefox to write over the cell
range.

(cherry picked from commit e1110efa)

(cherry picked from commit 83b873d4)

(cherry picked from commit f5426027)

* added dynamic DNS support for Google Domains

* use tabs to be consistent

* add missing error message, last-tested date

(cherry picked from commit 9b23eeef)

This reverts commit 25d8428c and adds
normal enabled/disable indicators.  POST is all weird today, but so
far this looks good.

(cherry picked from commit bbe9e070)
(cherry picked from commit 177010dd)

Before:

[OPNsense.IDS.IDS.general.ips] value should be a boolean (0,1)

After:

[OPNsense\IDS\IDS:general.ips] value should be a boolean (0,1)

(cherry picked from commit 0d6a8336)

(cherry picked from commit 8cdd61f0)

(cherry picked from commit 543df477)

(cherry picked from commit d0b0ca28)

(cherry picked from commit 21b84ed2)

This is a preview merge as we add the new importer, but don't use it yet.

(proxy) add a notice to inform the user about the need to download the list. closes https://github.com/opnsense/core/issues/1432

(cherry picked from commit a481668f)

(cherry picked from commit d93cbc6e)

(cherry picked from commit f3c35f3f)
(cherry picked from commit 1126922b)
(cherry picked from commit c9e1423f)
(cherry picked from commit 53e4be27)
(cherry picked from commit 2e707046)
(cherry picked from commit cdedd9a5)
(cherry picked from commit 1a76aa95)

(cherry picked from commit 634b4a2f)

(cherry picked from commit c3e74008)
(cherry picked from commit c35cfbce)

(cherry picked from commit 03170898)

(cherry picked from commit 5b7883a6)
(cherry picked from commit 9e928d3f)

(cherry picked from commit 50f2ffad)

(cherry picked from commit bcb17cdc)
(cherry picked from commit 4f83c6d3)

(cherry picked from commit 819cf47d)
(cherry picked from commit 83ec1073)
(cherry picked from commit 5f1d2078)
(cherry picked from commit 9dd1dd8e)

If we want to be pluggable, simply delete contents of
/usr/local/etc/inc/plugins.inc.d/ and be done with it.

(cherry picked from commit bdd1be39)

(cherry picked from commit 679dd0b8)

(cherry picked from commit e20efe33)

(cherry picked from commit 1678cc93)

align max username length, ref https://github.com/opnsense/src/blob/4036f873755a3ceeb73c9292065c3530ebfd08e0/sys/sys/param.h#L103

(cherry picked from commit 0829a34c)

(cherry picked from commit e51bc802)

(cherry picked from commit 3151c87e)
(cherry picked from commit 2981b663)

(cherry picked from commit 8d00e488)

(cherry picked from commit 8ebc1223)

(cherry picked from commit 99c71c85)
(cherry picked from commit 9d73770c)

(cherry picked from commit 25d38d96)

We import those users with a random password.  We can always let
the admin define another one and use it... And provide a way to
set a random password back in case that is required again.

PR: https://github.com/opnsense/core/issues/1351

(cherry picked from commit 32f78562)
(cherry picked from commit 66d982fd)
(cherry picked from commit eff961d5)

(cherry picked from commit b3ed2232)

(cherry picked from commit f07ab5fa)
(cherry picked from commit 189ae898)
(cherry picked from commit f6014c36)