564
9P
Medium RiskTCP — File Transfer
Port Overview
Port Number
564
Service Name
9P
Transport Protocol
TCP
Category
File Transfer
Security Risk
Medium
Port Range
Well-Known (0-1023)
What is Port 564?
Port 564 is associated with 9P (Plan 9 File Protocol), from Bell Labs Plan 9 OS. Also used in modern virtualization (virtio-9p, WSL2).
TCP
File Transfer
Security Considerations
Port 564 (9P) 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.