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Outpost Firewall- Block IGMP? What is IGMP?


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#1
Lu7

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I just installed Outpost Firewall 2009 Free to try it out and I noticed in the Event Viewer-Firewall list it first has one entry of IGMP.MCAST.NET/Block IGMP and then about every two minutes it has 198.168.1.1 /Block IGMP. I guess the 198.168.1.1 is the Linksys router?
What is the IGMP and should it be blocked?

Windows XP (SP3) with Windows firewall disabled, AVG Free, IE8, FireFox, Opera.

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#2
dsenette

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http://en.wikipedia....gement_Protocol

I guess the 198.168.1.1 is the Linksys router?

yes. you shouldn't specifically need igmp blocked, but you don't specifically need it open either
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#3
Lu7

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Thanks for the quick reply,

I looked at the Wiki and not sure what they are talking about, but I guess its best to leave it blocked for security if I you say I don't really need it.
Why would it come up as blocked every two minutes, is that just how it works and normal or is there a program trying to use it?

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