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                   Kerberos Version 5, Release 1.9

                            Release Notes
                        The MIT Kerberos Team

Copyright and Other Notices

Copyright (C) 1985-2010 by the Massachusetts Institute of Technology
and its contributors.  All rights reserved.

Please see the file named NOTICE for additional notices.

Building and Installing Kerberos 5

The first file you should look at is doc/; it contains
the notes for building and installing Kerberos 5.  The info file has the same information in info file format.  You
can view this using the GNU emacs info-mode, or by using the
standalone info file viewer from the Free Software Foundation.  This
is also available as an HTML file, install.html.

Other good files to look at are and,
which contain the system administrator's guide, and the user's guide,
respectively.  They are also available as info files and, respectively.  These files are
also available as HTML files.

If you are attempting to build under Windows, please see the
src/windows/README file.

Reporting Bugs

Please report any problems/bugs/comments using the krb5-send-pr
program.  The krb5-send-pr program will be installed in the sbin
directory once you have successfully compiled and installed Kerberos
V5 (or if you have installed one of our binary distributions).

If you are not able to use krb5-send-pr because you haven't been able
compile and install Kerberos V5 on any platform, you may send mail to

You may view bug reports by visiting

and logging in as "guest" with password "guest".

DES transition

The Data Encryption Standard (DES) is widely recognized as weak.  The
krb5-1.7 release contains measures to encourage sites to migrate away
from using single-DES cryptosystems.  Among these is a configuration
variable that enables "weak" enctypes, which defaults to "false"
beginning with krb5-1.8.

Major changes in 1.9

krb5-1.9 changes by ticket ID
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