Diablo Release Information

Full details of the changes can be found in the RELEASE_NOTES.

Major changes from Diablo 5.0-REL to 5.1-REL:

• Fix a posting corruption bug that has existed since the original Diablo - highly recommended to upgr ade to fix this.
• Maximum Age Policy - controls maximum article age.
• Changes to hashfeed - REQUIRES CONFIG FILE CHANGE if hashfeed is enabled.
• New diablo.config option 'readeridenttimeout'.
• New dreaderd option 'ratelimitrange'.
• New contrib/ for 'feedgraph' - RRD graphs for feeds.
• New dreaderd dserver.hosts options 'retention' and 'groupdef'.
• Extension fo dexpire '-s' to sync after a number of files deleted.
• Various improvements to mmap and madvise compatibility.
• New diablo.config option 'feedermaxheadersize'.
• Many, many other smaller additions, fixes and performance improvements.

Major changes from Diablo 4.x to 5.0-REL:

• New history expire/rebuild (dhisexpire) for minimal server downtime.
• Capability for much larger history files
• Experimental IPv6 support.
• Experimental compressed spools.
• Default max article size of 10MB for feeder and reader (config setting).
• Perl user authenticator for dreaderd.
• More flexible LDAP auth for dreaderd.
• Improvements to reader caching and new dexpirecache.
• Many minor performance improvements to the various components.
• Various new utilities.
• Many minor improvements and new features.

• Detect yenc binary encoding
• Upgrade to latest version of feeder-stats
• Add a timeout for dreaderd connections to the spool
• Fix bug in external filter handling of articles without trailing '\r\n.\r\n'
• Allow filtering of incoming articles by msgid hash
• Various bug fixes in dnewslink
• AIX support

Major changes from Diablo 4.0-REL to 4.1-REL:

• Security fix for NEWNEWS group restrictions
• Add a timeout for spool connections in dreaderd
• Improved internal spamfilter (NOTE: changed options)
• Add an option to restrict maximum article size accepted by dreaderd
• Improved stats logging for netremote in dreaderd
• Improved logging code
• Fixed compiling with USE_ZLIB enabled
• Tru64 support and 64-bit platform fixes

Major changes from Diablo 3.4-REL to 4.0-REL:

• Changes to the feeder storage format, including wireformat support (Cannot move to older versions of diablo after upgrading)
• Significant improvements to feed throughput latency with the 'notify' option in dnewsfeeds.
• Significant improvement to history add performance (included in 3.4-REL)
• Added new 'hashfeed' option to allow articles to be split across newsfeeds and spools based on a hash of the Message-ID
• Added inode based expire to feeder
• Added ability for reader to retrieve articles from a local spool
• Added Berkeley DB reader auth method
• Added PAM reader auth method
• Added ability to set maximum incoming article accept size
• Added ability to change many diablo.config values while server is running
• Improvements to dreaderd netremote authentication method, including feedback of accounting information on connection close.
• Improvements to internal spamfilter (and changes to the options)
• Reader header/overview directory structure now configurable and the hash method can be selected and changed.
• Reader article cache directory structure now configurable
• Allow reader to select spools based on groups and group name hash (hashfeed).
• Experimental compressed newsfeed support
• Compile-time option to allow auto-ban lists for abusive reader clients
• Many, many bug fixes and small enhancements to most utilities, including better documentation and simple usage reports when no options are specified.

Major changes from Diablo 3.3-REL to 3.5-REL:

• Security fix for information leak in NEWNEWS group restrictions
• Fix history corruption bug and made a significant improvement to history add performance.
• Minor bug fixes to dexpire and diloadfromspool
• Add 'quiet' option to reader config to stop logging of connects and disconnects.

Major changes from Diablo 3.0-REL to 3.3-REL:

• Improved handling of header rewrites in reader
• Can now specify the directory structure layout for reader cache
• Fixes for dnewsfeeds parsing and pattern matchng
• Strip trailing whitespace in newsgroup names in reader
• Don't accept invalid Message-ID's in IHAVE on reader
• Use 423 response to article not found for request by art number
• Add 'queueskip' and 'articlestat' options to dnewsfeeds
• Don't compress whitespace in headers, except for XOVER
• Other minor bug fixes
• Fix buffer overflow for very long newsgroup names in reader
• Fix bug in handling of multiple A records for incoming feeds
• Fix bug in handling of on/off options in dnewsfeeds
• Better handing of disk errors for incoming header feeds for dreaderd
• Generate Xref entries for control groups in diablo
• Fix missing diablo.hosts in feeder-stats.pl
• Add an option to disable detailed reader logging
• Performance improvements to dnewslink
• Add bind options for dreaderd spool connections
• Updated sample moderators file
• Rename ignorebytes option to preservebytes in dnewsfeeds
• Don't reject newgroup messages posted to newsgroups that don't (yet) exist.
• Add a checkgroups option to dgrpctl
• Compressed spool logging
• Log incoming feed stats at NOTICE level
• More efficient binary article type categorisation
• Fix rate limit tax calculation so that it works
• Dynamically adjust the usleep time for realtime feeds.
• Add code to allow setting of compression level on compressed spools.
• Swap order of bytes and articles entries in the 'info server' syslog line.
• Add a per-session byte maximum value to dreaderd
• Minor improvements to various programs
• Many other minor bug fixes and enhancements.

Major changes from Diablo 2.X to 3.0-REL:

• Completely rewritten spool system that allocates articles to spool objects (directories/partitions) with a very flexible expiry mechanism that allows different expire methods and times based on newsgroups, article size, article type, etc. This also includes an experimental compressed spool type.
• Simplifed newsfeed configuration with all incoming and outgoing configuration information in a single file (optional).
• Vastly improved and performance enhanced filtering mechanisms with 3 different filter types and full configuration of which articles are sent to each type of filter with the same options as newsfeeds.
• Improved and syncronised command-line options for all utilities with updated documentation and most options configurable in diablo.config.
• Vastly improved stats gathering for both reader and feeder.
• Efficient (optional) NEWNEWS support in reader.
• Group restrictions per reader definition
• New reader authentication types
• Hook for C filter for local posts
• Many bug fixes
• Many other minor enhancements