Monitoring

Problem: The client needed to modernize their Zabbix v7.4.8 setup by migrating a Low-Level Discovery rule away from a static, local JSON file. They required best practices and an architectural recommendation for dynamically triggering and feeding the discovery rule from an external Windows server, while ensuring reliable and efficient updates. Process: Step 1: Architecture Review […]

Problem: During migration to Zabbix 7.4, hundreds of HTTPS health checks failed because the HTTP Host header differed from the SNI hostname used for the TLS handshake. In this environment, monitoring items connect to a load-balancer VIP using a custom Host header to reach specific virtual sites. However, the target servers detected the discrepancy between […]

Problem: The customer was running Zabbix 7.4 in a Docker-based environment and attempted to configure SAML authentication using Microsoft Entra ID. Although the SAML integration was partially configured and no critical errors were visible, the customer faced several issues. SAML authentication could not be selected as the default authentication method in the Zabbix UI. Users […]