Solaris versions 2.0 through 2.3

The gethostbyname() routine is broken; it does not return a fully qualified domain name, even if you are using the Domain Name Service routines. Since Kerberos V5 uses the fully qualified domain name as the second component of a service principal (i.e, host/tsx-11.mit.edu@ATHENA.MIT.EDU), this causes problems for servers who try to figure out their own fully qualified domain name.

Workarounds:

1. Supply your own resolver library. (such as bind-4.9.3pl1 available from ftp.vix.com)
2. Upgrade to Solaris 2.4
3. Make sure your /etc/nsswitch.conf has `files' before `dns' like:

             hosts:      files dns
             

   and then in /etc/hosts, make sure there is a line with your workstation's IP address and hostname, with the fully qualified domain name first. Example:

             18.172.1.4      dcl.mit.edu dcl
             

   Note that making this change may cause other programs in your environment to break or behave differently.