wsdd2

WSD/LLMNR Discovery/Name Service Daemon

wsdd2 is the server daemon that provides WSDD (Web Services Dynamic Discovery) as well as LLMNR (Link-Local Multicast Name Resolution) services primarily for Windows clients on both IPv4 and IPv6. wsdd2's WSDD protocol handler multicasts Hello and Bye messages by itself over UDP, responds with ProbeMatch and ResolveMatch messages in response to Probe and Resolve queries respectively over UDP, and sends HTTP reponse messages to HTTP property query POST messages over TCP. wsdd2's LLMNR protocol handler responds to LLMNR multicast query messages over UDP and to LLMNR unicast query messages over TCP.