Release Notes for Zabbix 1.5.1

Zabbix Team is pleased to announce the availability of Zabbix 1.5.1.

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 1.5.1. Download it from download.

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

Fixes and minor improvements

DEV-141 improved performance of ZABBIX Proxy module
DEV-140 added support of zabbix[proxy,<proxyname>,lastaccess]
DEV-124 screen actions moved to Audit, added filter for Audit
DEV-98 added support of ZABBIX Proxy
DEV-134 JSON static buffer
DEV-15 autodiscovery by ICMP pings
DEV-72 improved icmpping* processing. added "-c3" to fping
DEV-122 improved "Events" screen, added "Event Details" screen
DEV-139 added transaction functionality to frontend
DEV-138 added support of update interval in icmpping* simple checks
DEV-137 increased max number of log file lines sent per second to 100

Installation and Upgrade Notes


See Zabbix documentation for full details.


Recompile Zabbix binaries and update front-end PHP files. 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.


Zabbix 1.5 Manual

Get started in 10 minutes, absolutely FREE

Download Zabbix

Zabbix is professionally developed open-source software with no limits or hidden costs