55555
Custom / Development
Medium RiskTCP/UDP — Other
Port Overview
Port Number
55555
Service Name
Custom / Development
Transport Protocol
TCP/UDP
Category
Other
Security Risk
Medium
Port Range
Dynamic (49152-65535)
What is Port 55555?
A repeating-digit port commonly chosen for development, testing, and custom application use due to its memorable pattern. Used by various development servers, debugging tools, and some IoT device management interfaces. No single canonical service assignment.
TCP/UDP
Other
Security Considerations
Port 55555 (Custom / Development) 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.