pfSense

Force 4096 RSA keys

Add option `-b 4096` to force the keys to 4096-bit.

This parameter is ignored for Ed25519 keys.

(cherry picked from commit 971257cbdf687c79943237b6c2f5e37c596318af)

Harden sshd_config

The changes are better explained in the following article:

https://stribika.github.io/2015/01/04/secure-secure-shell.html
(cherry picked from commit dca77360ffe868327d82c20834eceb1079d5823b)

Fixed #6504 by making table sortable

(cherry picked from commit 55f67b5abd9b809807e328477779d97120908273)

jQuery datepicker added to interfaces.php and interfaces_ppps_edit.php for setting custom expirey date

(cherry picked from commit d85d82b7686d5899948e6ec4b1587e74937820cf)

Fixed #6516 by replacing HTML5 datepicker with jQuery widget

(cherry picked from commit 53c38ff16c1eb8743e69d506f69167c88cf34910)

Merge pull request #3015 from marcelloc/patch-4

Only call interfaces_vips_configure once if it's needed, rather than doing the same thing over and over for every VIP on an interface. Ticket #6515

Fix style

require_once auth.inc in vpn.inc since it uses functions from there, though normal use of the system won't require that, those who run certain things manually/custom may require it

Fixed #6514 by requiring string starts with letter ot underscore

(cherry picked from commit f0a053846d6cde2724c47b5553e1395cfd21445c)