OPNsense 20.1.6 released

Hi all,

Quick update as planned. Here are the full patch notes:

o system: add data length option to gateway monitor settings
o firewall: avoid greedy matching with live log parsing regression from 20.1.5
o firmware: detect runtime defaults when using "make upgrade" with core.git
o firmware: clean up packaging code and support ".link" file extension
o firmware: use CORE_FLAVOUR instead of FLAVOUR when using opnsense-bootstrap
o firmware: enable to optionally reach master branch when using opnsense-boostrap
o firmware: allow overriding CORE_ABI when using opnsense-bootstrap
o firmware: copy make.conf instead of linking when using opnsense-code
o firmware: always fetch tools.git when using opnsense-code
o rc: use "onifexists" for VGA TTY instead of "on"
o rc: missing ntpd user on 20.7 / 12.1
o plugins: os-unbound-plus DoT validation fix (contributed by Michael Muenz)
o src: fix ipfw invalid mbuf handling[1]
o ports: libyaml 0.2.4[2]
o ports: openssl 1.1.1g[3]
o ports: py-yaml 5.3.1[4]
o ports: radvd 2.18[5]
o ports: sqlite 3.31.1[6]
o ports: squid 4.11[7]
o ports: suricata 4.1.8[8]

Stay safe and healthy,
Your OPNsense team

[1] https://www.freebsd.org/security/advisories/FreeBSD-SA-20:10.ipfw.asc
[2] https://raw.githubusercontent.com/yaml/libyaml/master/Changes
[3] https://www.openssl.org/news/openssl-1.1.1-notes.html
[4] https://raw.githubusercontent.com/yaml/pyyaml/master/CHANGES
[5] http://www.litech.org/radvd/CHANGES.txt
[6] https://www.sqlite.org/changes.html
[7] http://ftp.meisei-u.ac.jp/mirror/squid/squid-4.11-RELEASENOTES.html
[8] https://suricata-ids.org/2020/04/28/suricata-4-1-8-released/