Nagios Core 3.x Version History

3.2.1 - 03/09/2010

• Link to allow scheduling downtime for all services on a host (Hendrik Baecker)
• Speedup to CGIs when lots of comments or downtimes in status.dat file (Jonathan Kamens)
• Patch for new_mini_epn to allow for any command line length without breaking extra trailing or leading whitespace (Ray Bengen)

• Fix for incorrect scheduling when time has gone back an hour (partial fix for 24x7)
• Fix for compile on Fedora Core 3 (bug #0000082)
• Fix for compile on Solaris
• Fix for logging test, which was not timezone aware (bug #0000077 - Allan Clark)
• Trivial cleanups for autoconf (Allan Clark)
• Fix for CSS validation of padding: X
• Fix for documentation re: case-insensitive nature of custom variables (Marc Powell)
• Fix for template configurations which use negated wildcards (Tim Wilde)

• N/A

3.2.0 - 08/12/2009

• Fix for read-only permissions bug in CGIs that caused problems viewing comments (bug #000002 9)
• Fix for incorrect CGI reports (availability, trends, etc.) when reporting period spans Dayli ght Savings Time (bug #0000046)
• Fix for detection of truecolor support in GD library (Lars Hecking)
• Reverted to use --datadir configure script option instead of the more recently introduced -- datarootdir option
• Status and retention files are now flushed/synced to disk to prevent incomplete information being displayed in CGIs
• Fix for incorrect next service check time calculation when Nagios is reloaded with different timeperiod ranges
• Updated Fedora quickstart guide to indicate PHP requirements
• Known issue: Service checks that are defined with timeperiods that contain "exclude" directi ves are incorrectly re-scheduled. Don't use these for now - we'll get this fixed for 3.4

3.1.2 - 06/23/2009

• Fix for CPU hogging in service and host check scheduling logic

3.1.1 - 06/22/2009

• New "important check command" flag for use in service templates, to aid configuration in distributed environments
• Fix for nagios validation error when no services defined
• Fix for stylesheet link
• Fix for extinfo.cgi error message when cgi.cfg doesn't exist
• Fix for notifications.cgi where Update button on right didn't retain host information wh en no host= was in query parameters
• Fix for potential bug where a contactgroup with no members could cause parsing errors
• Fix for W3 validation for history.cgi
• Fix for W3 validation for extinfo.cgi
• Fix for nagiostats to return non-zero with failures in MRTG mode
• Added t/ directory for tests. Use make test to run. Requires perl on development server
• Fix for duplicate event_id attributes in status and retention data
• Fix for duplicate unlink() during check processing
• Added missing check period column to host config display (CGI)
• Fix for embedded Perl initialization under FreeBSD
• Fix for incorrect re-initialization of mutext after program restart
• Fix for incorrect weighting in host flap detection logic
• Added libtap to distribution. Use ./configure --enable-libtap to compile
• nagios.log permissions are now kept after log rotation
• Fix for "Max concurrent service checks (X) has been reached" messages - will now push se rvices 5 + random(10) seconds ahead for retry
• Fix for removing old HTML files for web frontend that are now replaced with PHP equivale nts (index/main/side.html)
• Fix for incorrect service history link text in CGIs
• Fix for useless code loop in netutils.c
• Fix for potential divide by zero in event scheduling code
• Fix for trailing backslash in plugin output causing memory corruption in CGIs
• Fix for bug that could affect host/service scheduling during clock time skew or changes to timeperod definitions between restarts
• Leading whitespace from continuation lines in configuration files is now stripped out
• Fix for bug where pipe (used by IPC) file descriptors get inherited by child processed ( e.g. event handlers) (bug #0000026)
• Fix for failure to daemonize - Nagios now bails (bug #0000011)
• Fix for notifications about flapping starting not processed properly by retention data
• Patch to add transparency to statusmap icons for truecolor images
• Patch to add read-only permissions to extinfo CGI
• Security fix for statuswml.cgi where arbitrary shell injection was possible

3.1.0 - 01/25/2009

• Added automatic update check functionality - runs once a day to check for new Nagios releases
• Splash screen on web UI now indicates whether a new update is available (requires that update checks are enabled)
• Updates to nagiostats utility for faster execution if using external stats file
• Added a bit more verbosity to config verification
• Fixed bug in logging event handlers
• Fix to prevent debug output from being shown when Nagios is compiled with embedded Perl interpreter
• Fix for CPU hogging issues on OpenBSD
• Fix to RPM spec file for sample configuration files
• Fix for bug in time calculation routines that could cause notification, reporting, and check scheduling anomalies
• Fix for scheduling forced service checks from web interface
• Minor mods for frameset base for HTML compliance (more fixes coming soon)
• Fix for bug in handling of hard host and service problem states during restarts that could incorrectly set current check attempt and adversely affect notifications, etc.
• Fix for bug in timeperiod calculation of year/month rollovers and display of fixed calendar dates in web interface

3.0.6 - 12/01/2008

• Fix for CGI submission of external commands (writing newlines and submitting service comments)
• Fix for Apache group membership in RPM spec file
• Fix for improper notification propagation command processing
• Better out-of-disk-space error handling when writing retention and status files
• Disabled adaptive check and eventhandler commands for security reasons
• Fix for reading output from system commands (event handlers, etc) that have timed out
• Added wildcard host matching in CGIs
• Fixes for playing audio alerts in CGIs
• Fix for incorrect host status links in status CGI when viewing hostgroup summary
• Added support for x509 cert authentication in the CGIs

3.0.5 - 11/04/2008

• Security fix for Cross Site Request Forgery (CSRF) bug reported by Tim Starling.
• Sample audio files for CGIs removed from distribution
• Fix for mutliline config file continuation bug
• Minor fix to RPM spec file
• Fix for AIX compiler warnings
• Minor sample config file fix
• Added documentation on CGI security issues

3.0.4 - 10/15/2008

• Fix for properly terminating plugins when parent processes get killed (e.g. using 'killall nagios' with check_timeout plugins running )
• Fix for event broker callback when service notifications are disabled
• Fix for scheduling scheduling servicegroup downtime with 'hosts too' option in CGIs
• Fix for segfault under Solaris with NULL plugin output
• Fixes for bugs in sample event handlers - stop/start active service checks and enable notifications
• Cosmetic fix for logging of notifications
• Fix for high CPU utilization under OS X
• Fix for host/service name encoding in CGIs (trends and availability reports, etc.)

3.0.3 - 06/25/2008

• Typo fix in object config routines
• Segfault fix in history CGI
• Fix for bug in retention of contact notification options
• Fix for bug in calculation of negative (month) days in timeperiod definitions
• Fix for debug logging of notifications
• Fix for encoding host and servicegroup names in trends and availability CGIs
• Fix for checking for abnormal termination of host checks
• Fix for spurious orphaned host check errors with non-scheduled hosts
• Fix for url encoding null string in CGIs (caused status CGI segfault)
• Fix for encoding URLs in macros
• Fix for bug in handling of contact groups in escalation definitions
• Changes to service check event broker logic (DNX patches)
• Minor doc updates

3.0.2 - 05/19/2008

• Minor bug fixes in CGIs to ensure extra host/servicegroup url strings are terminated properly
• Minor bug fix in navigation frame link for unhandled service problems
• Better error logging during fork() errors
• Embedded Perl is now disabled by default
• Fixed bug in parsing host dependencies
• Added note to Makefile about 'make install-webconf' option
• Fixed bug in config CGI where active host check attributes were not displayed properly
• Fixed bug in status CGI where sounds were not played for passive service problems
• Fixed sample script for distributed monitoring
• Updated p1.pl to allow for 4KB lines in Perl plugin output under epn
• Fixed bug in command for disabling contact notifications
• Fix for bugs in host and service orphan check logic
• Fix for 'make install' functionality for contrib directory
• Fix for host problem links in CGI status summary view
• Fix for properly escaping macros containing URLs
• Patches for possible XSS vulnerability in CGIs (CVE-2007-5803) - Florian Weimer & SUSE Linux team

3.0.1 - 04/01/2008

• Fixed bug in trends CGI with user not being authorized for hosts/services
• Fixed bug in status CGI with page layout messing up when sounds enabled

3.0 - 03/13/2008

• Faster program startup times (especially in large installs) with new object lookup code
• Fix for special contact inheritance rules in host and service escalations
• Fix for threading-related bugs that resulted in checks failing under NetBSD
• Configure script fix
• Fix for bug in processing $CONTACTADDRESSx$ macros
• Documentation fixes

3.0rc3 - 02/26/2008

• Fix for passive service check stats bugs in nagiostats
• Nagios no longer warns or errors when encountering host/contact/service groups with empty memberships
• Debugging info fix in notification logic
• Fix for multiline support in config files (again)
• Fix for stripping illegal chars in output, perfdata macros
• Patch to allow non-ASCII characters in notifications, etc.
• Fix for bug in on-demand service macros with blank/null host names
• Fix for cleaning up zombie child processes if large installation tweaks disabled and fork twice option disabled
• Fix for incorrect total checks counts in nagiostats
• Fix for segfault if embedded Perl support compiled in, but disabled by config file option
• Smarter host check logic to reduce (uncached) on-demand host checks during "stable" service problems
• Fix for recursive subgroup membership for host/service/contact groups
• Fix for renaming/moving files on network file systems
• New flap detection startup logic speedups when large installations tweaks enabled
• Speed improvements during startup routines when using precached config
• Speed improvements in reading retention data during startup
• Safer loading mechanism for NEB modules to prevent segfaults in Nagios
• Fix for segfault in CGIs when converting object names with extended ASCII characters to URLs

3.0rc2 - 01/29/2008

• Changed embedded audio MIME types in CGIs to "application/wav"
• Fixed bug in sample helloworld NEB module
• Modified p1.pl to allow for multiline-line output of Perl plugins under embedded Perl interpreter (epn)
• Fix for incorrect environment variables names for custom host and contact macros
• Fix for external command file thread polling code
• Fix for cfg_dir directive not working on Solaris
• Fixed segfault in extinfo CGI when passed an invalid service description/name
• Fixed bug in summary CGI with reports on specific hosts
• Fix for writing check result files under Cygwin
• Fix for not building sample helloworld.o event broker module if event broker is disabled by configure script
• Fix to sample event handler scripts
• Fix for handling plugin output with escaped newlines and backslashes
• Fix for bug in service and host event scheduling logic
• Fix for reversed object sort order when using fast startup options
• Fix for bug with notification commands not being run if notifications were not logged

3.0rc1 - 12/17/2007

• Fixed bug where status log was left after a restart with faulty config
• Fix for compilation bug on systems that don't support setenv() (e.g. Solaris)
• Support for line continuation/breaks in config files - end lines with one backslash (\) to continue on next line
• Fixed bug with not deleting old check result files that contained results for invalid host/service
• Fixed bug with init script option to check Nagios config
• Auto-filled comment/author fields for acknowledging problems through WAP interface
• Fixed bug with processing of CONTACTGROUPNAMES, NOTES, NOTESURL, and ACTIONURL macros
• Doc fix regarding soft state dependencies
• Fix for segfault in event broker module code

3.0b7 - 11/23/2007

• Memory leak fix in macro code
• Added use_timezone option to allow Nagios instances to run in non-native timezones
• Fix for encoding HTML characters in CGIs
• Fix for unimplemented $LASTHOSTSTATE$, $LASTHOSTSTATEID$, $LASTSERVICESTATE$, and $LASTSERVICESTATEID$ macros
• Fixes for memory leaks with passive check, performance data routines
• Makefile fixes
• Code cleanup, fixes for compiler warnings
• Fix to prevent FLAPPINGSTART notifications from incorrectly being resent after program restarts
• Added free_child_process_memory and child_processes_fork_twice options for performance tweaks
• Fix for bug in processing of on-demand service macros

3.0b6 - 10/31/2007

• Logging API revamp, cleanup
• Misc internal performance improvements
• Bug fix with attempting to access an uninitalized mutex if external commands are disabled
• Updates to .cvsignore files
• Fix for embedded Perl interpreter to recache scripts when they're modified
• Fix for cancelling inheritance with 'null' in various object directives
• Additional functionality of additive inheritance feature
• Fixed bug where missing host/servicegroups in object definitions didn't always generate errors
• Increased max plugin output length cap from 4kb to 8kb
• Caching of Perl scripts now enabled by default if embedded Perl interpreter is compiled in
• Fix for segfault when contact definitions had no notification timeperiods defined
• Retention of host/service check scheduling options
• Fix for race condition when freshening host and service check results
• Added null -b option to install-sh for Solaris so install scripts don't break
• Added .gitignore files for git users
• Added new external commands to change notification period for host, services, and contact on-the-fly
• Added new external commands to change modified object attributes (affecting data retention logic)
• Added $ISVALIDTIME:$ and $NEXTVALIDTIME:$ on-demand macros
• Added enable_environment_macros option to determine whether or not macros are set as environment vars
• Major overhaul (read: complete rewrite) of macro code, so macros are now only computed when found
• Summary macros are now available as regular (non-environment) macros if requested when large installation tweaks are enabled
• Bug fix for scheduling hostgroup host downtime through web interface
• Better error logging when failing to rename/move files
• Added $LASTHOSTSTATE$, $LASTHOSTSTATEID$, $LASTSERVICESTATE$, and $LASTSERVICESTATEID$ macros
• Addition of object pointers to event broker module data structures (may require event broker module rebuilds)
• Spec file changes to better support RPM builds on 64-bit systems
• Possible fix for Unicode html encoding errors in CGIs

3.0b5 - 10/08/2007

• Minor bug fix in CSS files
• Bug fix in sample config files
• Fix for recovery notifications not being sent out when first_notification_delay option used in host/service definitions
• Fix for ochp commands not running properly
• Special additive inheritance rule: escalation contact(group)(s) that begin with '+' will now inherit from associated host/service definition if not inheriting from another escalation template
• Status file is no longer deleted during restarts due to a SIGHUP or external command
• Improvement in service flap detection logic
• Added additional_freshness_latency config file directive
• Improvements in freshness check logic
• Temporarily removed $SERVICEGROUPMEMBERS$ macro, as it was causing crashes for some users (this need further investigation)
• Added $EVENTSTARTTIME$ macro to indicate time Nagios started processing events (checks, etc.)
• Added use_pending_states option to CGI config file to determine displayed state of hosts/services that have not been checked
• Workaround to prevent browsers from incorrectly using cached statusmap image on page refresh
• Fix for incorrect latency calculations for passive host/service checks
• Added passive check latency stats to nagiostats
• Added support for relative paths in config_file and config_dir directives
• Fix for compile error under Solaris

3.0b4 - 09/27/2007

• New macros: $HOSTGROUPMEMBERS$, $HOSTGROUPNOTES$, $HOSTGROUPNOTESURL$, $HOSTGROUPACTIONURL$, $SERVICEGROUPMEMBERS$, $SERVICEGROUPNOTES$, $SERVICEGROUPNOTESURL$, $SERVICEGROUPACTIONURL$, $CONTACTGROUPALIAS$, $CONTACTGROUPMEMBERS$, $NOTIFICATIONRECIPIENTS$, $NOTIFICATIONAUTHOR$, $NOTIFICATIONAUTHORNAME$, $NOTIFICATIONAUTHORALIAS$, $NOTIFICATIONCOMMENT$
• Removed host/service downtime author/comment macros introduced in 3.0b2 in favor of more generic $NOTIFICATION...$ macros
• Fix for segfault when cancelling active scheduled host downtime
• Macro code cleanup
• Added on-demand contact and contactgroup macro support
• More complete (but still partial) support for macros in CGIs ($xNOTES$, $xNOTESURL$, and $xACTIONURL$ macros)
• Fixed bug in config CGI with displaying incorrect notification interval for escalations
• Added new 'check' option to init script to verify configuration
• Added custom host and service notifications, with option to force the notifications and broadcast them to all contacts
• Fix for on-demand/cached host check statistics
• Fixed bug where null host check command would cause high CPU utilization
• Alias, if not specified, now defaults to object name in host, hostgroup, servicegroup, contact, and contactgroup definitions
• Fixed bug with excluding hosts, services, and contacts with bang (!) in object definitions
• Fixed bug in nagiostats with NULL mrtg data arguments printing bogus string
• Added custom delimiter option in nagiostats output (useful for CSV output)

3.0b3 - 08/30/2007

• Minor bug fix for debug logging of macros
• Version number is now printed in CGI pages
• HTML documentation cleanup (HTML Tidy, link checking, etc.)
• Fixed bug where notifications would not be sent out host/service contact group members

3.0b2 - 08/29/2007

• Fix for some sample config files getting installed with .sample extension
• Improvements to the host check logic performance (more use of cached and parallel checks)
• Minor bug fix with notification timeout error messages
• Fix bug with logging of passive host and service check results
• Fixed bug with warning about no contactgroups being defined
• Internal data structure cleanups
• New macros: $SERVICEISVOLATILE$, $TOTALHOSTSERVICES$, $TOTALHOSTSERVICESOK$, $TOTALHOSTSERVICESWARNING$, $TOTALHOSTSERVICES UNKNOWN$, $TOTALHOSTSERVICESCRITICAL$, $HOSTDOWNTIMEAUTHOR$, $HOSTDOWNTIMEAUTHORNAME$, $HOSTDOWNTIMEAUTHORALIAS$, $HOSTDOWNTI MECOMMENT$, $SERVICEDOWNTIMEAUTHOR$, $SERVICEDOWNTIMEAUTHORNAME$, $SERVICEDOWNTIMEAUTHORALIAS$, $SERVICEDOWNTIMECOMMENT$
• Added 'lock_author_names' option to CGI config file to prevent alteration of author names when submitting comments, scheduled downtime, etc.
• Fix for concatentation of multiline plugin perfdata
• Added status CGI host/service property filters for hard and soft states

3.0b1 - 07/31/2007

• Fixed bug with processing epn directives in Perl plugins
• Fixed bug with check_result_path config option being ignored
• Added $MAXHOSTATTEMPTS$ and $MAXSERVICEATTEMPTS$ macros
• Fixed bug with incorrect output returned from embedded Perl plugins
• Fixed bug where status data file was not read by CGIs using mmap()
• Fix for CGI segfault
• Program status now updated at least every 5 seconds for addons that watch NDOUtils DB
• Added escape_html_tags option to CGI config file to escape HTML tags in plugin output
• Added optional integration with Splunk into the CGIs
• Added new action and notes URL target frame options to CGI config file
• Added new 'exclude' option to timeperiod definitions for easy on-call rotation definitions

3.0a5 - 06/19/2007

• Fixed problem with multiline long plugin output and Perl plugin output
• Fixed compilation problem with embedded Perl
• More debug/trace log functionality
• Added new 'passive_host_checks_are_soft' config option
• Fixed bug with host notifications occurring during soft host states
• Fixed bug in processing multiple check results contained in a single file
• Expanded timeperiod definitions to allow for day/date exceptions
• Changes to sample config files and installation location
• Changed debug file format to include current pid
• Added 'initial_state' option to host and service definitions to allow for non-UP/OK initial states
• Minor changes to freshness threshold calculation
• Documentation updates

3.0a4 - 05/08/2007

• Fix for segfault fix when low priority event queue's only item is removed
• Added test for writeability of temp directory during configuration test
• Fix for unescaping backslashes in plugin output in the CGIs
• Removed check_result_buffer_slots option from main configuration file
• New IPC method for passing host/service check results back to main daemon
• Added check_result_path option to set path used to store check results
• Added max_check_result_file_age option to control processing of check results in older files
• Added new --with-temp-dir option to configure script
• Removed legacy 2.x host check logic and use_old_host_check_logic option
• Removed DEBUGx options from configure script
• Added new debug/trace log functionaltiy (only partially complete)
• Fixed compilation error under OSX
• Fix for SIGTERMs being seen as SIGEXITs, non-logging of SIGTERMs/shutdowns

3.0a3 - 04/10/2007

• Configure script fix for no mail program found/installed on system
• Fix for compilation warnings about implicit declaration of round() - may (strangely enough) also fix segfaults that were occuring on some systems
• Added detection of Apache conf.d directory and 'make install-webconf' functionality
• Configure script option bug fixes for cygwin and embedded perl
• Added buffer stats and check statistics to performance information in extinfo CGI
• Hostgroup and servicegroup definitions now have notes, notes_url, and action_url directives
• Patch for incorrect time down percentage in availability CGI
• Command definitions and host/service plugin perfdata with HTML should now be escaped in CGIs
• Updated init script to fix a race condition during restarts
• Documentation updates

3.0a2 - 03/27/2007

• Added warning about aggregate_status_updates directive being deprecated.
• Added new "p" option to host/service_perfdata_file_mode directives for pipes.
• Fix for incorrect performance data file write/append mode options
• Regular expression matching in object config files now also triggered by '+' and '\.'
• Added support for extended regular expression matching in object config files
• Fix for incorrect processing of y_2d coordinates for host objects in statusmap layout
• Fix for current status of hosts with no check command defined
• SIGSEGV signals should now be logged again (broken in 3.0a1)
• Added warning for invalid temp_path directory
• Documentation bug fixes and updates

3.0a1 - 03/06/2007

• Too many changes since Nagios 2.x to list here - read the What's New section of the documentation for more information.