Now if you reach server from external and the server has local IP on red interface you’ll be redirect to https://hostname:980
If you reach it from Internet, but server has got public IP on red interface or you are in the same network of the server you’ll be redirect to https://InterfaceIP:980.
If someone wants to test it the command is:
yum install http://packages.nethserver.org/nethserver/7.6.1810/autobuild/x86_64/Packages/nethserver-httpd-admin-2.3.4-1.2.pr34.g84c459d.ns7.noarch.rpm
The PR #34 is this