Kerberos for Macintosh is an implementation of the Kerberos authentication system for Mac OS X. It is based on the MIT Kerberos implementation and provides Kerberos v5 and Kerberos v4 protocols, GSSAPI, a graphical authentication interface and accompanying API for acquiring Kerberos tickets, an in-memory ticket cache and KClient compatibility.
The current release of Kerberos for Macintosh is 6.0 and is included with Mac OS X 10.5 (Leopard).
You may need to download and install the Mac OS X Kerberos Extras for some applications to work properly.
The pages below mostly apply only to Mac OS X 10.2 and later. For releases of Kerberos for Macintosh for earlier version of Mac OS X and Mac OS, see here.