Prtg Network Monitor 21.0.x -

Better management of certificates for secure communication between the core server and remote probes.

| Feature | 21.0.x | 22.x+ | |---------|--------|-------| | | Limited | Full CLI (prtgcli) | | Built-in Maps v3 | No (v2 only) | Yes, drag-and-drop | | Monitoring as Code | Manual API only | Terraform provider | | ARM64 support | No | Yes | | GraphQL API | No | Beta | | Legacy custom sensors | Fully supported | Deprecation warning | prtg network monitor 21.0.x

| Feature | 21.0.x (Legacy Stable) | 23.x / 24.x (Modern) | | :--- | :--- | :--- | | | Very fast, less bloat | Slower, richer graphics | | Cloud Integration | Limited (Manual scripts) | Native Azure/AWS monitoring | | Mobile App | Works with older app | Requires updated app | | Sensor Limits | Unlimited (depends on HW) | Same, but cloud-hybrid offered | | Support Status | Limited (Extended only) | Full support | Whether you are upgrading from an older v20

PRTG can scan your network segments and automatically create sensors for discovered devices. This saves hours of manual configuration. less bloat | Slower

Whether you are upgrading from an older v20 installation or deploying it for the first time, version 21.0.x offers a robust environment for monitoring everything from basic uptime to complex cloud environments. What’s New in the 21.0.x Release Cycle?

Versions within the 21.0.x to 21.1.x range were subjects of security analysis due to several critical vulnerabilities discovered and patched during this cycle: CVE-2021-x / Screenshot Exploit : An issue in versions before 21.1.66.1623