#11532: krb5-1.17,0
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Reporter: bdubbs | Owner: bdubbs
Type: enhancement | Status: assigned
Priority: normal | Milestone: 8.4
Component: BOOK | Version: SVN
Severity: normal | Resolution:
Keywords: |
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Comment (by bdubbs):
Major changes in 1.17 (2019-01-08)
Administrator experience
A new Kerberos database module using the Lightning Memory-Mapped
Database library (LMDB) has been added. The LMDB KDB module should be more
performant and more robust than the DB2 module, and may become the default
module for new databases in a future release.
"kdb5_util dump" will no longer dump policy entries when specific
principal names are requested.
kpropd supports a --pid-file option to write a pid file at
startup, when it is run in standalone mode.
Developer experience
- The new krb5_get_etype_info() API can be used to retrieve
enctype, salt, and string-to-key parameters from the KDC for a client
principal.
- The new GSS_KRB5_NT_ENTERPRISE_NAME name type allows enterprise
principal names to be used with GSS-API functions.
- KDC and kadmind modules which call com_err() will now write to
the log file in a format more consistent with other log messages.
- Programs which use large numbers of memory credential caches
should perform better.
Protocol evolution
- The SPAKE pre-authentication mechanism is now supported. This
mechanism protects against password dictionary attacks without requiring
any additional infrastructure such as certificates. SPAKE is enabled by
default on clients, but must be manually enabled on the KDC for this
release.
- PKINIT freshness tokens are now supported. Freshness tokens can
protect against scenarios where an attacker uses temporary access to a
smart card to generate authentication requests for the future.
- Password change operations now prefer TCP over UDP, to avoid
spurious error messages about replays when a response packet is dropped.
- The KDC now supports cross-realm S4U2Self requests when used with
a third-party KDB module such as Samba's. The client code for cross-realm
S4U2Self requests is also now more robust.
User experience
- The new ktutil addent -f flag can be used to fetch salt
information from the KDC for password-based keys.
- The new kdestroy -p option can be used to destroy a credential
cache within a collection by client principal name.
- The Kerberos man page has been restored, and documents the
environment variables that affect programs using the Kerberos library.
Code quality
- Python test scripts now use Python 3.
- Python test scripts now display markers in verbose output, making
it easier to find where a failure occurred within the scripts.
- The Windows build system has been simplified and updated to work
with more recent versions of Visual Studio. A large volume of unused
Windows-specific code has been removed. Visual Studio 2013 or later is now
required.
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Ticket URL: <http://wiki.linuxfromscratch.org/blfs/ticket/11532#comment:2>
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