57
Private Terminal Access
Medium RiskTCP/UDP — Remote Access
Port Overview
Port Number
57
Service Name
Private Terminal Access
Transport Protocol
TCP/UDP
Category
Remote Access
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 57?
Reserved by IANA for any private terminal access protocol. Designated for custom or proprietary remote terminal implementations.
TCP/UDP
Remote Access
Security Considerations
Port 57 (Private Terminal Access) 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.