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			37 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			37 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| # Gnutella - P2P filesharing
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| # Pattern quality: good fast
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| #
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| # This should match both Gnutella and "Gnutella2" ("Mike's protocol")
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| # 
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| # Various clients use this protocol including Mactella, Shareaza,
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| # GTK-gnutella, Gnucleus, Gnotella, LimeWire, BearShare, and iMesh.
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| # 
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| # This is tested with gtk-gnutella and Shareaza.
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| #
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| # Please report on how this pattern works for you at
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| # l7-filter-developers@lists.sf.net .  If you can improve on this
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| # pattern, please also post to that list. You may subscribe at
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| # http://lists.sourceforge.net/lists/listinfo/l7-filter-developers
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| 
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| # http://www.gnutella2.com/tiki-index.php?page=UDP%20Transceiver
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| # http://rfc-gnutella.sf.net/
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| # http://www.gnutella2.com/tiki-index.php?page=Gnutella2%20Specification
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| # http://en.wikipedia.org/wiki/Shareaza
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| 
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| gnutella
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| 
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| # The first part matches UDP messages - All start with "GND", then have
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| # a flag byte which is either \x00, \x01 or \x02, then two sequence bytes
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| # that can be anything, then a fragment number, which must start at 1.
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| # The rest matches TCP first client message or first server message (in case 
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| # we can't see client messages).  Some parts of this are empirical rather than 
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| # document based.  Assumes version is between 0.0 and 2.9. (usually is
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| # 0.4 or 0.6).  I'm guessing at many of the user-agents.
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| # The last bit is emprical and probably only matches Limewire.
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| ^(gnd[\x01\x02]?.?.?\x01|gnutella connect/[012]\.[0-9]\x0d\x0a|get /uri-res/n2r\?urn:sha1:|get /.*user-agent: (gtk-gnutella|bearshare|mactella|gnucleus|gnotella|limewire|imesh)|get /.*content-type: application/x-gnutella-packets|giv [0-9]*:[0-9a-f]*/|queue [0-9a-f]* [1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?:[1-9][0-9]?[0-9]?[0-9]?|gnutella.*content-type: application/x-gnutella|..................lime)
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| 
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| # Needlessly precise, at the expense of time
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| #^(gnd[\x01\x02]?.?.?\x01|gnutella connect/[012]\.[0-9]\x0d\x0a|get /uri-res/n2r\?urn:sha1:|get /[\x09-\x0d -~]*user-agent: (gtk-gnutella|bearshare|mactella|gnucleus|gnotella|limewire|imesh)|get /[\x09-\x0d -~]*content-type: application/x-gnutella-packets|giv [0-9]*:[0-9a-f]*/|queue [0-9a-f]* [1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?\.[1-9][0-9]?[0-9]?:[1-9][0-9]?[0-9]?[0-9]?|gnutella[\x09-\x0d -~]*content-type: application/x-gnutella|..................lime)
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| 
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| 
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