5001
Synology DSM / iperf
Medium RiskTCP — System & Infrastructure
Port Overview
Port Number
5001
Service Name
Synology DSM / iperf
Transport Protocol
TCP
Category
System & Infrastructure
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 5001?
Port 5001 is used by Synology DiskStation Manager (DSM) for HTTPS management access, and by iperf network performance testing tool. Synology NAS devices use this port for secure web-based administration. The iperf tool uses this port by default for bandwidth measurement between network endpoints.
TCP
System & Infrastructure
Security Considerations
Port 5001 (Synology DSM / iperf) 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.