Issue Analysis for Zabbix Agent Connection Problem

Observations:

• Ping test to Zabbix actor: Successful.
• Telnet Connection Check to Zabbix service on port 10050: Successful, implying no issues with the agent machine.

Testing Data Retrieval from Zabbix Agent:

Execute the following command on the server:

zabbix_get -s 1.1.1.1 -p 10050 -k "system.cpu.load[all,avg1]"

The data retrieval is successful.

Process Status:

Checked the zabbix_agentd process on the agent machine. It is functioning as epxected.

Host Configuration Inspection:

Upon examining the Zabbix-web configuration for the corresponding Host, DNS-related misconfiguration was discovered. Specificallly, the host uses SLB (server load balancer) servicce, but port 10050 was found to be closed.

Resolution:

Enable port 10050 in the SLB. After completing this adjustment, the issue with retrieving data from the Zabbix agent was resolved successfuly.