Simple Service Discovery Protocol (SSDP)

The SSDP protocol can discover Plug & Play devices, with uPnP (Universal Plug and Play). SSDP uses unicast and multicast adress ( SSDP is HTTP like protocol and work with NOTIFY and M-SEARCH methods.

SSDP can be used over IPv4 and IPv6.


IETF Draft Revision 3

IETF Draft Revision 2

Protocol dependencies

Example traffic


The SSDP dissector is partially functional : there is no ssdp filter, but, the http filter show HTTP and SSDP protocols. Bug 6190 requests that this behavior be changed.

The solution is to:

Preference Settings

SSDP has no preference setting.

Example capture file

Nothing yet

Display Filter

 udp.dstport == 1900


All UDP packets containing HTTP header:

udp contains "HTTP/1.1"

All UDP packets containing both HTTP header and UPnP search type header ("\nST:"), eg. UPnP search request:

(udp contains "HTTP/1.1") and (udp contains 0a:53:54:3a)

Capture Filter


SSDP (last edited 2016-03-14 00:51:33 by GuyHarris)