Websites used for TCP port checks are down in 360 Monitoring: Unsupported protocol (Protocol "telnet" not supported)

Symptoms

Websites used for TCP port checks are down in 360 Monitoring:

CONFIG_TEXT: Unsupported protocol (Protocol "telnet" not supported)

Cause

360 Monitoring locations are undergoing maintenance causing intermittent instability.

Resolution

Until the undergoing maintenance is finished, change the affected websites monitoring location:

• How to change the main location for website monitoring in 360 Monitoring?