8530
WSUS (Windows Server Update Services)
Medium RiskTCP — System & Infrastructure
Port Overview
Port Number
8530
Service Name
WSUS (Windows Server Update Services)
Transport Protocol
TCP
Category
System & Infrastructure
Security Risk
Medium
Port Range
Registered (1024-49151)
What is Port 8530?
Port 8530 is the default HTTP port for Windows Server Update Services (WSUS), Microsoft's enterprise patch management system. Windows clients configured to use WSUS connect to this port to check for and download approved updates. Organizations use WSUS to control which updates are deployed to Windows machines in their environment.
TCP
System & Infrastructure
Commonly Used
Security Considerations
Port 8530 (WSUS (Windows Server Update Services)) 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.