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The default behavior for GSS and SSPI authentication methods has long been to strip the realm off of the principal, however, this is not a secure approach in multi-realm environments and the use-case for the parameter at all has been superseded by the regex-based mapping support available in pg_ident.conf. Change the default for include_realm to be '1', meaning that we do NOT remove the realm from the principal by default. Any installations which depend on the existing behavior will need to update their configurations (ideally by leaving include_realm set to 1 and adding a mapping in pg_ident.conf, but alternatively by explicitly setting include_realm=0 prior to upgrading). Note that the mapping capability exists in all currently supported versions of PostgreSQL and so this change can be done today. Barring that, existing users can update their configurations today to explicitly set include_realm=0 to ensure that the prior behavior is maintained when they upgrade. This needs to be noted in the release notes. Per discussion with Magnus and Peter. |
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PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: http://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.