You're likely referring to the Port 5357, which is associated with the Windows SMB (Server Message Block) protocol, specifically for the "Key Management Service" (KMS) or Windows Activation. However, another notable usage of port 5357 is related to the SSDP (Simple Service Discovery Protocol) and UPnP (Universal Plug and Play) protocols, often exploited in IoT and network-related attacks.
Remember: in red teaming, every open port is a story waiting to be exploited. port 5357 hacktricks
Port 5357 is used by Microsoft's Web Services for Devices API (WSDAPI) for local network discovery of devices like printers, and it is frequently targeted in penetration testing to gather host metadata and network information. Although not covered by HackTricks, this service often leaks information and can be mitigated by disabling Network Discovery in the Windows Control Panel or configuring firewall rules. More detailed port analysis can be found on PentestPad PentestPad You're likely referring to the Port 5357, which
Port 5357 – WSDAPI (Web Services for Devices) - PentestPad Port 5357 is used by Microsoft's Web Services
Port 5357 is used by the , a Microsoft implementation of WS-Discovery. This service allows devices on a local network—like printers, scanners, and file shares—to advertise and discover services without a central server.
On modern Windows systems, Port 5357 (TCP) acts as a local web server for the