Kerberized Secure Shell Clients
In a previous section, we built OpenSSH with GSSAPI support. This OpenSSH with GSSAPI patches works on many platforms, including all of the common Unix variants, and Mac OS X. However, OpenSSH operates only on the command line, and compiling OpenSSH on Windows can be difficult. A popular, free, and graphical Secure Shell client for Windows is PuTTY, and a company named Certified Security Solutions has developed patches to PuTTY to incorporate GSSAPI authentication support, and provides binaries that are free for noncommercial and internal commercial use.
The modified PuTTY client is available at http://www.certifiedsecuritysolutions.com/downloads.html. Separate distributions are available for Windows 2000 and older Windows operating systems. The distribution for Windows 2000/XP/2003 includes support for the Windows SSPI that can communicate with the GSSAPI-enabled OpenSSH without requiring Kerberos for Windows to be installed on the Windows host.
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