387
AURP
Low RiskTCP — Other
Port Overview
Port Number
387
Service Name
AURP
Transport Protocol
TCP
Category
Other
Security Risk
Low
Port Range
Well-Known (0-1023)
What is Port 387?
Port 387 is assigned to AURP (AppleTalk Update-Based Routing Protocol), used to tunnel AppleTalk traffic over IP networks. Obsolete.
TCP
Other
Security Considerations
Port 387 (AURP) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.