https://mailman.mit.edu/pipermail/krbdev/2004-September/002947.html
Kerberos 1.4 to require bind8 or newer
kerberosrequirenewer
https://mailman.mit.edu/pipermail/krbdev/2004-September/002945.html
Kerberos 1.4 to require bind8 or newer
kerberosrequirenewer