ZABBIX 1.8.4rc2


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1 November 2010

Zabbix SIA is proud to announce the availability of Zabbix 1.8.4rc2 (Second Release Candidate).

Zabbix is an enterprise-class open source distributed monitoring solution. Zabbix is released under the GPL, thus it is free of charge for both commercial and non-commercial use. A complete text of the license is available at

This document contains the release notes for Zabbix 1.8.4rc2. Download it from

This release fixes numerous issues of Zabbix 1.8.x and introduces new interesting features. A nice overview of the new features is at

This release is not for production use. It is a Release Candidate!

If you are using Zabbix 1.8 with node-based distributed setup, please run the following SQL patch. It should improve performance of configuration syncing a lot.

DROP INDEX node_cksum_1 ON node_cksum;
CREATE INDEX node_cksum_1 on node_cksum (nodeid,cksumtype,tablename,recordid);

DROP INDEX node_cksum_1;
CREATE INDEX node_cksum_1 on node_cksum (nodeid,cksumtype,tablename,recordid);

DROP INDEX node_cksum_1;
CREATE INDEX node_cksum_1 on node_cksum (nodeid,cksumtype,tablename,recordid);

The following sections describe the release in details and provide late-breaking or other information that supplements its main documentation.

What's New in 1.8.4

:: More consistent Zabbix API

Zabbix API was improved to have much more consistent method names and handling of parameters. Zabbix API documentation was massively improved. It is available at

:: Support of DB2

DB2 database is supported as Zabbix back-end database. Therefore Zabbix users have a choice of five database engines currently: Oracle, DB2, PostgreSQL, MySQL and SQLite. See documentation for DB2 specific installation instructions.

:: NTLM authentication for WEB monitoring

Zabbix WEB monitoring supports NTLM authentication.

:: Sending of SMS notifications via Ez Texting services

A new way of sending SMS messages was added to Zabbix. You may take advantage of a commercial SMS provider for reliable messaging in the US and Canada.

:: User macros enhanced

User macros were extended so that they can be used in both trigger and item names.

:: List of Bugs and Improvements included into 1.8.4rc2

  • [ZBXNEXT-538] added support for IBM DB2
  • [ZBX-1362] optimized alert performance
  • [ZBX-2852] fixed map not updating in slideshow
  • [ZBX-1346] update example agent daemon configuration file for Windows with parameters from Zabbix manual
  • [ZBX-2984] fixed incorrect trigger line in graphs. For line drawing was used axis from first item not trigger item
  • [ZBX-3059] different titles for popup menu depending on data type
  • [ZBX-2861] fixed error when adding users to usergroups
  • [ZBX-1492] added confirmation dialog when deleting macros
  • [ZBX-3135] add an example for using standard input in zabbix_sender manpage
  • [ZBX-2616] bundled DejaVu font upgraded from 2.31 to 2.32
  • [ZBX-2630] fixed ability to translate various strings in the frontend depending on their context
  • [ZBX-3091] fixed error when update proxy
  • [ZBX-3120] fixed error when create new map
  • [ZBX-3042] fixed submitParent field error
  • [ZBX-1038] fixed last(), prev(), diff(), change(), and abschange() not working properly with long textual values
  • [ZBXNEXT-532] specify timestamp format in zabbix_sender manpage and help output; hint at required item configuration in zabbix_sender manpage
  • [ZBX-3103] updated French translation; thanks to Alixen
  • [ZBX-3095] fixed processing of 'Host template' condition in actions
  • [ZBX-2981] removed unnecessary queries in map permission checks
  • [ZBX-3080] fixed javascript not cached by browsers
  • [ZBX-2661] improved displaying discovery checks in configuration
  • [ZBX-3086] fixed errors when edit hostgroup linkage for hosts and templates
  • [ZBX-3025] resurrected unreachable pollers and StartPollersUnreachable configuration parameter
  • [ZBX-2351] fixed server trying to insert duplicate eventids into the database
  • [ZBX-3069] renamed monitoring graphs combobox "All" entry to "not selected"

:: Complete List of Improvements and Bug Fixes

  • [ZBX-3070] fixed event date format inconsistency
  • [ZBX-2872] greatly improved API methods consistency
  • [ZBX-3068] fixed possible crash of server while processing passive proxies
  • [ZBX-3068] fixed server memory leak while processing passive proxies
  • [ZBX-2749] fixed length parameter being ignored for[]
  • [ZBX-2749] fixed agent crash in[] on very long matched fragments
  • [ZBX-2913] fixed agent becoming unresponsive due to* checks
  • [ZBXNEXT-430] added support of net.tcp.listen and net.udp.listen under Linux
  • [ZBX-453] fixed --disable-static enabling static compilation
  • [ZBX-2992] acknowledges are now hidden in event details when turned off
  • [ZBX-3050] fixed that host can be named like an existing template and otherwise
  • [ZBX-3019] fixed templated graphs not being copied to discovered hosts in DM setup; thanks to Alexander Ignatyev
  • [ZBX-2860] fixed usergroup renaming
  • [ZBX-3027] avg, delta, max, min, sum functions in popup_trexpr.php have a time shift input, so that this parameter now can be specified through GUI
  • [ZBX-2827] added checks when adding or updating maintenances, so that duplicate names could not be added
  • [ZBX-2978] fixed graphs import with Y axis set to an item
  • [ZBX-2507] minimal graph dimension size is set to 20 pixels
  • [ZBX-2665] web scenario steps on graphs now are in correct order
  • [ZBX-2995] fixed crash in zbx_mem_realloc(), reduced memory usage and memory fragmentation in configuration cache
  • [ZBX-3024] in trigger expression selection popup, expressions are now filtered, depending on item type
  • [ZBX-3023] fixed repeated notifications after maintenance period
  • [ZBX-3017] fixed error when try to add dependency to template trigger that is linked to a host
  • [ZBX-3008] fixed server generating multiple unknown events for triggers with multiple items
  • [ZBX-3011] passwords are no longer shown in HTML when editing media types
  • [ZBXNEXT-510] sending of SMS messages through Ez Texting is now integrated into Zabbix
  • [ZBX-1425] option ALL is added to host group dropdown when adding or editing host group
  • [ZBX-1675] fixed map element coordinates do not update after the element has been dragged
  • [ZBX-1292] item names are now prefixed with host names, if they are from different hosts in trigger discription popup
  • [ZBX-2844] added HTML escaping of screen names in combox box output in monitoring
  • [ZBXNEXT-373] added support for NTLM authentication to Web monitoring
  • [ZBX-1486] when multiple map elements are selected, pressing "Remove" in editing form removes all selected elements
  • [ZBX-1442] when linking objects during map editing, link "apply" does not close the form any more
  • [ZBX-2986] acknowledges now are hidden in last 20 issue popup when turned off
  • [ZBX-2988] fixed {ITEM.VALUE} macro in Monitoring/Events screen
  • [ZBX-2974] fixed possibility to delete templated applications
  • [ZBX-1172] added sorting for audit resource dropdown
  • [ZBX-2982] added IP and port of Zabbix server in dashboard widget "Status of Zabbix"
  • [ZBX-2964] fixed processes failing to start when no IPv6 is available on the system
  • [ZBX-2977] fixed removing unused records in node_cksum table; thanks to Łukasz Reszka
  • [ZBX-2946] fixed building from FreeBSD ports with libexecinfo installed; thanks to Dmitry Yakovlev
  • [ZBX-2957] changed mime type for downloadable locale file
  • [ZBX-2493] fixed obsolete macro used by default; start using different subject and message for default action messages
  • [ZBX-2976] fixed server crash when processing zabbix[items_unsupported] under DebugLevel=4
  • [ZBX-2950] added popup menus for map elements
  • [ZBX-2967] added filter for hosts configuration screen
  • [ZBX-2962] fixed template macro update
  • [ZBX-2572] added configuration define for zapcat compatibility mode
  • [ZBX-2690] added validation for screens xml
  • [ZBX-2942] increased minimum interval for ICMP pings to 20 ms; thanks to nelsonab
  • [ZBX-2945] email sender now knows how to handle multiline responses from SMTP servers
  • [ZBXNEXT-360] zabbix_sender now allows "-" for default hostname in input files; thanks to Dennis Jacobfeuerborn
  • [ZBX-1908] fixed file and socket descriptors leaking to child processes; thanks to Dan Horak
  • [ZBX-2960] split agentd userparameters out using includable files, add more MySQL examples
  • [ZBXNEXT-458] user macros (e.g., {$MACRO}) can now be used in item and trigger descriptions
  • [ZBX-2959] fixed trailing whitespace & missing trailing newline in downloaded translations
  • [ZBX-2910] fixed 'strerror_from_system undefined' compilation warning on Windows; thanks to Takanori Suzuki
  • [ZBX-2902] fixed system.cpu.load[] and system.cpu.util[] being slightly exaggerated on Windows; thanks to Kodai Terashima
  • [ZBX-2954] fixed translations in template delete popups
  • [ZBX-2938] fixed not showing problems on map for hosts in maintenance
  • [ZBXNEXT-238] made zabbix_sender gather as much data as possible before sending
  • [ZBX-2948] fixed export of trigger dependencies
  • [ZBX-2949] fixed Templates screen Go action 'Delete'
  • [ZBX-2934] added new conf. constants for roundoff configuration
  • [ZBX-2907] fixed errors when action condition has trigger from another node
  • [ZBX-2928] fixed "triggers info" unknown counter, added not classified triggers count
  • [ZBX-2914] Gentoo initscript cleanup
  • [ZBX-2914] fixed incorrect references in Fedora initscripts
  • [ZBX-2925] empty values for translations won't be written to resulting file
  • [ZBX-2933] fixed js error in IE when Print button pressed
  • [ZBX-2937] fixed missing style files for IE
  • [ZBX-2864] fixed print button creating multiple sid url parameters
  • [ZBX-2899] fixed slideshow delays broken after upgrade from 1.8.2
  • [ZBX-2923] fixed triggers that depend on problem trigger are shown as problem on map
  • [ZBX-2683] minor updates for the Latvian translation
  • [ZBX-2916] fixed duplicate parent map links in monitoring maps
  • [ZBX-2905] fixed single trigger name expanding, unknown problem count and duplicate elements count in network maps
  • [ZBX-2914] unified pidfile path in example Debian initscripts with example config files
  • [ZBX-886] removed duplicate locale string S_ACTIONS_BIG
  • [ZBX-633] fixed server crash on disconnected IPMI devices
  • [ZBX-2904] fixed some unknown triggers not shown in status of triggers screen
  • [ZBX-2900] added spaces to "From:" and "To:" email headers
  • [ZBX-2894] fixed multiple references on same line in map labels
  • [ZBX-2888] fixed host profiles export
  • [ZBX-2890] fixed parsing of negative values in trigger expressions
  • [ZBX-2798] added more checks for unknown nodes to communication between nodes
  • [ZBX-2716] make all example initscripts point to sbin for daemon path

Installation and Upgrade Notes


See Zabbix Manual for full details.


Recompile Zabbix binaries and update front-end PHP files. Execute a database patch if migrating from Zabbix 1.6.x. See Zabbix Manual for a detailed upgrade procedure.

Pre-release testing

Zabbix Server

Zabbix Server has been tested on the following platforms:

  • Ubuntu Linux, AMD64, kernel 2.6.11, MySQL 5.x
  • Ubuntu Linux, Intel, kernel 2.6.15, MySQL 5.0.22, PostgreSQL 8.3
  • RedHat EL 5.3, Intel, kernel 2.6.18, Oracle 11gR2
  • Slackware Linux, x86, kernel, MySQL 5.1.x

Zabbix Agents

Zabbix Agents have been compiled and tested on the following platforms:

  • AIX 5.2
  • FreeBSD 4.x, 5.x, 6.x
  • HP-UX 10.x, 11.x
  • Linux 2.4.x, 2.6.x
  • Linux CentOS
  • NetBSD 2.0
  • OS/X 10.2
  • Solaris 8, 9, 10
  • Tru64 5.1B
  • Windows XP, 2000, 2003, 2008, Vista

Note that agents are available pre-compiled from for a limited number of versions and platforms.

Commercial support

Zabbix Company provides a full range of professional services. We also provide trouble-free upgrade service for easy migration from earlier versions to Zabbix 1.8.x. Please contact Sales for pricing and more details.


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