🚀 go-pugleaf

Thanks for all your reactions; they set me thinking, and I found out at last
how it works:

    1) for services in local realm:

        - go to host2
        - run ext_srvtab host2
        - install host2-new-srvtab in /etc/athena/srvtab

    2) for services in remote realm:

        - go to host1
        - create rcmd.host2
        - run ext_srvtab host2
        - transfer the host2-new-srvtab to host2
        - go to host 2
        - concatenate /etc/athena/srvtab with the host2-new-srvtab from host1

    3) to connect:

        - go to host1
        - run kinit (local realm)
        - run rlogin host2 -k realm_of_host1 and there you are logged in to
          host2 using your local authentication.

What I wished for really was cross-realm authentication and that doesn't seem
to be working.
What eventually appears to work is installing two keys (from different realms)
onto a host.
Of course, this shouldn't be the way to go ....: imagine the size and
complexity of the srvtabs if you wish to communicate mainly on the basis of
kerberos security at a university where there is a lot of inter-faculty
traffic and each faculty runs its own kerberos server ....
This will, I expect, undermine security severely, and I pity the
administators ....

Mente H. Heemstra

P.S.: special thanks to Steve Dyer who pointed out to me what I wanted in
      the first place.

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