WSDAPI (Web Services for Devices)
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TCP/UDP — System & Infrastructure
Port Overview
What is Port 5357?
Port 5357 is used by Microsoft Web Services for Devices API (WSDAPI) for device discovery and communication on Windows networks. It powers Windows Network Discovery, enabling computers to find printers, cameras, and other devices on the local network. This port is used by the SSDP and WS-Discovery protocols for UPnP-like functionality.
Security Considerations
Port 5357 (WSDAPI (Web Services for Devices)) 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.