PuTTY 0.61 introduces "official" GSSAPI authentication

[Jeff Blaine]

For those interested:

PuTTY version 0.61 is released

http://lists.tartarus.org/pipermail/putty-announce/2011/000016.html

...
  - Support for SSH-2 authentication using GSSAPI, on both Windows and
    Unix. Users in a Kerberos realm should now be able to use their
    existing Kerberos single sign-on in their PuTTY SSH connections.
    (While this has been successfully deployed in several realms, some
    small gaps are known to exist in this functionality, and we would
    welcome further testing and advice from Kerberos experts.)