This is getting highly annoying. It is only FreePBX 14 with the defualt ISO and a LE cert that has this problem.
There was another post someplace where someone rebuilt their PBX on Ubuntu and the LE cert works.
Use a non-LE cert and it all works.
Use a LE cert on FreePBX 13 and it works.
Edit: here is the post. He switched to Debian, not Ubuntu.