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Simple Service Discovery Protocol

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Svchost.exe on my new Win XP pc keeps sending out Simple Service Discovery Protocol messages on port 1900. What's going on here?

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by crossbeforeme

SSDP is the mechanism through which network clients can discover network resources. It does this through your PC multicasting out messages or sending messages server based. Port 1900 is the port registered for SSDP traffic. Hope this helps.

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