[ZBX-15991] Proxy net.dns check crashes agent Created: 2019 Apr 15  Updated: 2019 Apr 15  Resolved: 2019 Apr 15

Status: Closed
Project: ZABBIX BUGS AND ISSUES
Component/s: Agent (G)
Affects Version/s: 4.2.0
Fix Version/s: None

Type: Problem report Priority: Major
Reporter: Belokurov Anton Assignee: Zabbix Support Team
Resolution: Duplicate Votes: 0
Labels: crash, items, proxy
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment:

Zabbix Agent 4.2.0 Rev. 91746 installed on Windows Server 2012 R2
Zabbix Proxy 4.2.0 Rev. 91746 installed on CentOS 7.6.1810

Attachments: Text File crash_zabbix_agentd.log    
Issue Links:
Duplicate
duplicates ZBX-15972 Agent crashes on Windows Server Core ... Closed

 Description   

After update Zabbix Proxy from 4.0.6 to 4.2.0 active checks of net.dns crash Zabbix agent.

Zabbix Agent service is not starting, until net.dns check will be disabled.

Local checks via cmd  (zabbix_agentd.exe -t net.dns[10.1.124.4,domain.local,A]) is OK, agent successfully returns data.

zabbix_get from Zabbix Proxy (zabbix_get -s server3.domain.local -k net.dns[10.1.124.4,domain.local,A]) also crashes Zabbix Agent, after execution zabbix_get prints following error:
zabbix_get [18854]: Get value error: ZBX_TCP_READ() failed: [104] Connection reset by peer
zabbix_get [18854]: Check access restrictions in Zabbix agent configuration
 
Downgrading of Zabbix Agent not solving problem.

 Comments   
Comment by Glebs Ivanovskis [ 2019 Apr 15 ]

Duplicates ZBX-15972?

Comment by Vladislavs Sokurenko [ 2019 Apr 15 ]

Thank you for your report, closing as a duplicate of ZBX-15972

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