1) It was export-controlled.
2) It used some ad-hoc protocol invented by Berkeley in ignorance of the
standard MIT distribution's way of doing it (which makes it useless
to most people).
This should be fixed once we have `kadmin'/`kadmind'.
- Get rid of inverse logic (NOKERBEROS and NOEBONES) in src/makefile,
and replace with MAKE_KERBEROS and MAKE_EBONES. (Far fewer contortions,
and both default to off.) IF YOU WANT KERBEROS, YOU HAVE TO EXPLICITLY
DEFINE ONE OF THESE.
- Make Makefiles kerberos-aware.