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				September 14th, 2004, 03:43 AM
			
			
			
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				 OT - IGMP Protocol query 
 I was wondering if anyone has come across the problem of a brand new Windows XP machine sending IGMP packets to the address of 224.0.0.22.Any suggestion or links as to how I can stop this from happening?
 Thanks.
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				September 14th, 2004, 04:29 AM
			
			
			
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				 Re: OT - IGMP Protocol query 
 Virusscan, spyware scan. Try ad-aware and um...spybot S&D. That's what everybody here seems to recommend. 
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				September 14th, 2004, 01:15 PM
			
			
			
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				 Re: OT - IGMP Protocol query 
 Where did you get this info from?  Firewall?
 Looks like the system is asking a router for info on other systems in its group.  Is the system in the workgroup named "workgroup"?
 
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				September 14th, 2004, 10:38 PM
			
			
			
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				 Re: OT - IGMP Protocol query 
 This is a new Test XP machine, that I built to test a new Internal Firewall on our Domain.  This Fireall is blocking the IGMP packets and brought it to my attention.At least a couple of times a day, the XP machine sends packets to the address of 224.0.0.22, which routes to igmp.mcast.net
 We are not using any Multicasting software, and this XP box is  pure Windows XP, no other software except for the Virus/Firewall client that I am testing.
 Suggestions?
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				September 14th, 2004, 10:47 PM
			
			
			
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				 Re: OT - IGMP Protocol query 
 http://www.webopedia.com/TERM/I/IGMP.html
Not exactly a wordy definition. 
I can't find what mcast.net is.  I haven't been able to ping it or anything.  Whois comes up blank.  I can't say what that is or what it is doing.  What brand of A/V stuff are you using?  Firewall? 
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				September 16th, 2004, 01:42 AM
			
			
			
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				 Re: OT - IGMP Protocol query 
 Thanks Instar.I am testing TrendMicro OfficeScan Anti-Virus software and Firewall.
 There is a couple of references to igmp.mcast.net but not why XP would be attempting to connect to it, once a day.
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