zabbix agent tcp check problem

[farshad4472]

Hello everybody

I want to monitor x.x.x.x:3306 in Linux server with zabbix agent (zabbix agent item: net.tcp.port)
but zabbix agent return 0

I test this with telnet and connection is ok

please help me

[coffee]

Have you solved your problem? I also encountered the same problem, ZABBIX Server 5.0 and ZABBIX agent 4.0 29.

[Hamardaban]

try use

net.tcp.listen[port]
	Checks if this TCP port is in LISTEN state.	0 - it is not in LISTEN state 1 - it is in LISTEN state	port - TCP port number	Example: => net.tcp.listen[80]

[coffee]

think you！My problem has been solved. It is caused by SELinux of CentOS 7