9090
Prometheus
Medium RiskTCP — System & Infrastructure
Port Overview
Port Number
9090
Service Name
Prometheus
Transport Protocol
TCP
Category
System & Infrastructure
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 9090?
Prometheus monitoring system web UI and API. Also used by Cockpit web console for Linux server management and various web admin interfaces.
TCP
System & Infrastructure
Commonly Used
Security Considerations
Port 9090 (Prometheus) is classified as medium risk. While this service is commonly exposed, consider using encrypted alternatives where available.
Recommendation: Keep the service updated. Monitor logs for unusual activity.