Release Notes for Zabbix 1.8.2

Zabbix Team is pleased to announce the availability of Zabbix 1.8.2.

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 1.8.2. Download it from downloads.

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

Fixes and minor improvements

ZBX-2116 fixed black images instead of vertical text in monitoring->overview
ZBX-2084 fixed JSON decoding class, which didn't work due to PCRE backtrace limit, enabled native PHP JSON functions, rewrote code with sockets
ZBX-2239 fixed mutex (un)locking so that zabbix_server does not become forever defunct when killed
ZBX-1983 fixed port validation in host agent port, IPMI port and in discovery checks ports (now supports port ranges like "21-80,465")
ZBX-2228 fixed compilation under FreeBSD with enabled LDAP
ZBX-2236 fixed processing of Telnet checks by Zabbix proxy
ZBX-2234 fixed icon for mass open action in status of triggers
ZBX-2233 fixed processing of action condition 'Trigger <>'
ZBX-1357 updated French translation; thanks to alixen
ZBX-2048 fixed sorting in screens dropdown
ZBX-2221 fixed expanding/collapsing categories in "Latest Data"
ZBX-2225 fixed linkage if templated items are used in graphs as Y axis min and max values
ZBX-2225 complete rewrite of the server code for template linkage
ZBX-2210 added template replace option for hosts mass update
ZBX-2219 fixed graphs data in data.sql
ZBX-1345 time filter redesigned, sliders moved to top inside filter
ZBX-2151 fixed header sorting in overview for items and triggers
DEV-456 added filter to dashboard
ZBX-2191 remove broken trigger from the default dataset
ZBX-2172 fixed object available scripts sorting alphabetically
ZBX-2217 fixed JS error in status of triggers page in IE
ZBX-2199 fixed time output format when time is less then 1 ms
ZBX-1956 fixed deletion of last row or col in screen
ZBX-1956 added cursor pointer on minus (remove) icons in screens
ZBX-1347 added support of hostnames and keys with spaces in sender input file
ZBX-2189 fixed compilation under AIX 5.3
ZBX-1229 added comparison between IPv4, IPv4-mapped and IPv4-compatible allowed server addresses
ZBX-1949 fixed "housekeeping" procedure for the table "housekeeper" itself, added configuration parameter "MaxHousekeeperDelete" for the server
ZBX-2173 fixed too long URL for webgraph when many websteps are defined
ZBX-2139 fixed collecting of active checks after configured with user macro
ZBXNEXT-238 added a command line option to zabbix_sender to send metrics in real time when reading from stdin
ZBX-1000 enabled zabbix_sender to read its input from stdin; thanks to leo
ZBX-2011 fixed e-mail sending format to meet 'SMTP/MIME e-mail' standards since UTF-8 is used. Thanks to Olexiy Zagorskiy.
ZBX-2136 fixed handling of logitems with logtimefmt in db cache
ZBX-2193 updated Russian translation; thanks to dotneft
ZBX-2185 added view of parent template of linked template to host
ZBX-2179 fixed errors connected with Triggers Info screen element
ZBX-2184 added maintenance info to dashboard latest issues
ZBX-1772 changed frontend timezone to match PHP server
DEV-455 added configurable filter to "Status of triggers" screen element
DEV-454 implemented screen export
ZBX-2144 fixed internal and aggregate checks for hosts monitored by a proxy
ZBX-2052 fixed sending of regexps to agents
ZBX-2129 fixed links from monitoring to configuration when All nodes are selected
ZBX-2146 fixed error when try to view slideshow without slides
ZBX-2161 added permission checks for map link triggers
ZBX-2169 fixed adding dependencies to triggers on mass update
ZBX-2157 fixed script permissions
ZBX-2135 fixed screens ignore nodes "All" option in selection dropdown
ZBX-1954 fixed config file errors if special chars are used in db password
ZBX-2075 admins now have access only to users they share usergroup with [action operations]
ZBX-2147 fixed permission check for item configuration
ZBX-2158 fixed map image deletion
ZBX-2155 ipv6 addresses are now case insensitive
ZBX-2005 fixed graph being deleted when any of its items are deleted
ZBX-2163 fixed possibility to acknowledge events regardless of GUI events settings
ZBX-2160 fixed permission issue in reports when accessing by user or admin
ZBX-1346 explicitly note that hostname in configuration files is case sensitive
ZBX-2006 added explicit dependency on "lber" library to gain better portability on upcoming Fedora "ld" changes. Thanks to Dan Horak.
ZBX-1575 added UnsafeUserParameters configuration option for agents
ZBX-2108 added checking double values for "out of range" errors for the MySQL
ZBX-2114 improvements in SQL filtering of hosts and templates by nodes
ZBX-18,ZBX-1018,ZBX-1070,ZBX-1123,ZBXNEXT-96,ZBX-2143 dealing with database problems in a uniform way for all database engines
ZBX-2089 fixed computing calculated items for proxied hosts
ZBX-2109 disabled Web monitoring for disabled hosts and hosts under maintenance
ZBX-2121 events from Windows eventlog with type 'EVENTLOG_SUCCESS' are treated as 'Information' in Zabbix as in Windows
ZBX-1994 using /proc/sys instead of the deprecated sysctl() on Linux
ZBXNEXT-236 added support of comma delimited list of host groups in aggregate checks
ZBXNEXT-236 added support of item keys with brackets ("") in aggregate checks
ZBXNEXT-236 added support of arrays in item key parameters
ZBX-1371 improved performance of the configuration screens hostgroups, templates, hosts
DEV-452 support of s,m,h,d,w,T suffixes in trigger expressions and functions
ZBX-1357 added Ukrainian translation; thanks to zalex_ua
ZBX-2013 fixed error in trigger test screen
ZBX-2087 fixed permission scheme in actions
ZBX-2067 fixed undefined variable errors in actions screen
ZBX-2053 fixed evaluating of case sensitivity on the server/agent side of regular expressions
ZBX-2077 added support of Failure/Success Audit eventlog severity
ZBXNEXT-257 added support of time-based disabling of data collection for items
ZBX-2051 fixed memory leak in processing of calculated items
ZBX-886 removed duplicate and outdated strings from locales
ZBX-1790 restored support of the hyphen (-) in item key names
ZBX-1962 explicit 'not monitored' response for active agents on disabled hosts
ZBX-1522 fixed server crash on an undefined user macro
ZBX-2039 fixed pattern matching in function count
ZBXNEXT-119 added support for time shifted functions
ZBX-1878 reverted map label background drawing
ZBX-2016 fixed code with "_itow_s()" and "zbx_wsnprintf" to avoid possible run-time memory corruption. Thanks to Takanori Suzuki.
ZBX-2059 fixed special char treatment in XML export
ZBX-1655 improved error message on map saving with circular reference
ZBX-1823 improved map element labels expansion in map editing screen
ZBX-1991 added sequences for autoincrement fields to oracle.sql
ZBX-2045 fixed trigger editor not preserving element ordering
ZBX-2003 fixed evaluation of division and subtraction
ZBX-2029 fixed monitoring triggers showing triggers with true dependencies
ZBX-1902 fixed error when creating dependency for a trigger that belongs to the same template
ZBX-1705 fixed various front-end problems with Oracle database
ZBX-1299 added check for the minimal (1.0.0) libssh2 library version
ZBX-1975 fixed permission check in graphs with web items
ZBX-2023 improved trigger configuration page
DEV-453 implemented import/export of Zabbix maps
ZBX-1320 fixed graph header alignment
ZBX-2041 minor configuration comment change about LogFile parameter for Windows agent
ZBX-1876 added remarks to configuration files of Zabbix server and proxy about fping6
ZBX-1876 fixed processing of ICMP pings when "fping" or "fping6" binaries are missing
ZBX-1995 fixed errors when save/update web scenario with existing name
ZBX-2014 fixed pie chart in screen renders last hour of data only
ZBX-2025 fixed deletion of actions
ZBX-3 fixed logging into syslog, Zabbix log levels are properly linked to syslog levels
ZBX-2022 fixed link colour picker in maps in IE7
ZBX-1968 fixed error in log item history in IE8
ZBX-2020 added requirements check for PHP max_input_time
ZBX-1958 fixed problem with a lot of digits in float values
ZBX-1853 fixed template/host full clone with triggers with dependencies
ZBX-1999 fixed bug when cannot create simple check item with macro in parameters
ZBX-1269 fixed offscreen popups
ZBX-1679 fixed error sometimes appearing when using Print button
ZBX-1980 added requirements check for PHP upload_max_filesize
ZBX-2002 refresh timer is now restarted instead of stopped when checkbox is checked
ZBX-1961 added support of '%' prompt for[] check
ZBX-1939 fixed errors when unicode chars are used in item keys
ZBX-1996 fixed JS error in IE7 in maps
ZBX-1328 improved host group mass deletion caption
DEV-450 added support of LogSlowQueries option
ZBX-1974 removed "Dropdown first entry" "1.6.2 comp mode" option
ZBX-1826 fixed error when changing node in monitoring web
ZBX-1943 fixed refresh time selection in dashboard widgets
ZBX-1929 include eventlog.c and eventlog.h files in distribution package
ZBX-1897 include CREDITS file in distribution package
ZBXNEXT-229 further updates for Brazilian Portuguese translation; thanks to murilex
ZBX-1945 speed improvement for synchronization between nodes
ZBX-1940 fixed map creation if Zabbix doesn't contain images
ZBX-1938 fixed permission check inefficiency in charts
ZBX-1957 fixed compilation errors under OpenBSD
ZBX-1869 fixed graph max Y most top value calculation
ZBX-1948 fixed node disappearing after node deleted and then created with same ID
ZBXNEXT-225 update Brazilian Portuguese translation; thanks to murilex
DEV-137 add basic bootstrap script
ZBX-1944 fixed no permission error when trying to view simple graph from childnodes
ZBX-1871 made Zabbix not require mbstring_overload to be enabled
ZBX-1862 fixed host creation with link to templates with trigger dependencies
ZBX-1879 fixed unnecessary line breaks in IE7
ZBX-1931 fixed process of sending active checks to ensure every active item is located in the server cache
ZBX-1935 remove incorrect item and fix minor typo in the default Windows template
ZBX-1650 allowed to pass "-" (dash) in parameters for "UserParameter" flexible parameters
ZBX-1923 fixed processing of data sent by 1.4, 1.6 agents not allowing wrong "eventid" values
ZBX-1763 fixed SLA showing red line when there is no problem
ZBX-1922 fixed compilation of Zabbix agent under ac AIX 5.1/5.2
ZBX-1899 fixed sticky starttime in graphs
ZBX-1785 fixed starttime in screens, slides on screen/slide switch
ZBX-1784 improved displaying big numbers and units in graphs
ZBX-1764 fixed right Y axis problem if on left Y axis no data
ZBX-1912 fixed nonstandard font vertical text display
ZBX-1915 fixed template/host name check on creation/update
ZBX-1820 fixed graph preview in configuration graph form
ZBX-1777 fixed evaluating of the maintenance periods
ZBX-1513 fixed resetting user password when updating user and HTTP auth is enabled
ZBX-1904 fixed naming procedure for discovered IPv6 hosts without DNS provided by replacing all not-allowed symbols with '_'
ZBX-1877 template itself in template linkage popup is now disabled
ZBX-1896 fixed no permission error when trying to view history for a web item
ZBX-1860 fixed line breaks at the beginning of exported XML file
ZBX-1881 fixed checkbox selection cookies
DEV-163 improved the description of "perf_counter" check in the "help_items" table
ZBX-1324 replaced more user visible strings ZABBIX with Zabbix
ZBX-1859 fixed map element image
ZBX-954 fix minor typos and removed // comments

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 1.8.x. See Zabbix Manual for a detailed upgrade procedure.

Commercial support

Zabbix Company provides a full range of Professional Services. We also provide trouble-free Upgrade Service for easy migration from earlier versions of Zabbix. Please contact Sales for pricing and more details.


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