You do NOT need to fiddle with this unless you specifically have more
than just the normal definitions of localhost. So for 'normal' nodes with
one external interface, you DO NOT NEED TO DO ANY OF THIS.
+2. Added CTY-3304 prefix data
19Jan23=======================================================================
1. Introduce aliasing for localhost in DX Spots and outgoing PC92 A records
on login. There are two variables which can be set with the alias to use: