9999
Urchin / Distinct32
Medium RiskTCP — Other
Port Overview
Port Number
9999
Service Name
Urchin / Distinct32
Transport Protocol
TCP
Category
Other
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 9999?
Port 9999 is used by various applications including Urchin web analytics (predecessor to Google Analytics), Java Debugger Wire Protocol (JDWP) in some configurations, and numerous custom applications. It is a commonly chosen 'high port' for development servers, dashboards, and administrative interfaces. The memorable number makes it a popular default for custom services.
TCP
Other
Security Considerations
Port 9999 (Urchin / Distinct32) 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.