pfSense

Enhance ICMP type handling in rules

See main PR for details
(cherry picked from commit 7a4b11b6a495ddc747db5e44f5a62891ef86398c)

Add privs to control display of notices

This is a suggested way to allow control of the display and clearing of
notices. The use case is:
1) A user with minimal page privs (e.g. can just change their password,
or access a few status pages or...) should not be automatically able to...

Put print_info_box severity class in quotes

These should be strings in quotes, otherwise PHP looks for them to be
constants and would be issuing notice level "errors" underneath.

(cherry picked from commit 499adf7352647e401fbaf496ebac8dfb9591ad97)

Fix #3454 Do not show Mark All as Read button when no priv

If the user does not have access to index.php then the "Mark All as Read" button for the notices popup does not work for them anyway, so do not show it.
This fixes the obvious UI inconsistency - where the user has a button that they press, but it is not effective....

Change system admin to firewall admin
(cherry picked from commit 6f4323f3d3cc7066e833f8a898f0608e6527871d)

Fix #7043 Do not display crash reporter link when no crash_reporter access
(cherry picked from commit c87eeb08acc6d5d0fd642e50990b93b7137657ee)

Captive portal: add button to disconnect all users

Add a function to disconnect all logged in users and a button to call it in the captive portal status page.

(cherry picked from commit feab4e54a446050555f4708d173977968f58918d)

Add new "Ignore client identifiers" DHCP feature

Exposes the underlying dhcpd configuration option "ignore-client-uids"
in the pfSense "Services / DHCP Server" GUI by adding an "Ignore client
identifiers" checkbox.

As of ISC dhcpd version 4.3.0+, there is a new configuration statement...

IPv6, allow DHCP6 server to use a prefix size of /59 and /61 like dhcp client does

(cherry picked from commit 19d905bcaecfed47abdf5e3854f54684d19c3b8f)

IPv6, allow DHCP6 client to use a prefix size of /59

(cherry picked from commit 260f60a9b60d42be7a274b29a8c217c2b4b53507)