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# SSDP - Simple Service Discovery Protocol - easy discovery of network devices
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# Pattern attributes: good slow notsofast
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# Protocol groups: networking ietf_draft_standard
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# Wiki: http://www.protocolinfo.org/wiki/SSDP
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# Copyright (C) 2008 Matthew Strait, Ethan Sommer; See ../LICENSE
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# This pattern was tested only by listening to a Linksys WRT54G. However,
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# I expect it works in general given the simplicity of the protocol.
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# SSDP packets should _always_ be sent to the multicast address
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# 239.255.255.250, making this pattern irrelevant. (Moreover, SSDP
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# packets should be resitricted to local networks that have plenty of
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# bandwidth.) However, Microsoft, as usual, has other ideas, so maybe
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# it could be useful. Can't hurt, anyway. :-)
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#
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# http://www.upnp.org/download/draft_cai_ssdp_v1_03.txt
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# http://msdn.microsoft.com/library/default.asp?url=/library/en-us/randz/protocol/ssdp.asp
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ssdp
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^notify[\x09-\x0d ]\*[\x09-\x0d ]http/1\.1[\x09-\x0d -~]*ssdp:(alive|byebye)|^m-search[\x09-\x0d ]\*[\x09-\x0d ]http/1\.1[\x09-\x0d -~]*ssdp:discover
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