653
SupportSoft
Medium RiskTCP/UDP — Remote Access
Port Overview
Port Number
653
Service Name
SupportSoft
Transport Protocol
TCP/UDP
Category
Remote Access
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 653?
SupportSoft remote support and diagnostics protocol, used by the SupportSoft enterprise remote assistance platform. Common in enterprise help desk environments in the 2000s.
TCP/UDP
Remote Access
Security Considerations
Port 653 (SupportSoft) 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.