510
FCP
Medium RiskTCP — Messaging
Port Overview
Port Number
510
Service Name
FCP
Transport Protocol
TCP
Category
Messaging
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 510?
Port 510 is assigned to FCP (FirstClass Protocol), used by FirstClass email and conferencing system. Widely used in education in the 1990s. Has declined.
TCP
Messaging
Security Considerations
Port 510 (FCP) 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.