UPnP search request: (udp contains "HTTP/1. In Wireshark versions before 2.2, there was no special ssdp filter and one has to use http instead.Īll UDP packets containing HTTP header: udp contains "HTTP/1.1"Īll UDP packets containing both HTTP header and UPnP search type header ("\nST:"), eg. Nothing yet Display Filter udp.dstport = 1900 ssdp or filter based on packet contents (see Display filter).filter with the destination port (see Display filter).In older versions one can use the http filter, but that would show both HTTP and SSDP traffic. Since Wireshark 2.2, one can use the ssdp display filter. The SSDP dissector is based on the HTTP one. SSDP uses UDP transport protocol on port 1900.IETF Draft Revision 2 Protocol dependencies SSDP is HTTP like protocol and work with NOTIFY and M-SEARCH methods. SSDP uses unicast and multicast adress (239.255.255.250). Loading the CCSF Web Page In a Web browser, go to You should see a lot of text scroll by in the Wireshark. Wireshark now just sits there, with little or no visible traffic, because it is ignoring all the non-HTTP packets. The SSDP protocol can discover Plug & Play devices, with uPnP (Universal Plug and Play). At the upper left of the Wireshark window, in the 'Filter' bar, type http Press the Enter key on the keyboard.
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