From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([69.77.167.62] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1L3cRH-0001WW-Nb for garchives@archives.gentoo.org; Fri, 21 Nov 2008 20:17:15 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A1358E036F; Fri, 21 Nov 2008 20:17:14 +0000 (UTC) Received: from rn-out-0910.google.com (rn-out-0910.google.com [64.233.170.186]) by pigeon.gentoo.org (Postfix) with ESMTP id 7636DE036F for ; Fri, 21 Nov 2008 20:17:14 +0000 (UTC) Received: by rn-out-0910.google.com with SMTP id m36so1109505rnd.14 for ; Fri, 21 Nov 2008 12:17:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from :user-agent:mime-version:to:subject:references:in-reply-to :content-type:content-transfer-encoding; bh=WWrYR5GmIeVBTvAHh2apx6lyQkm+4pbzuRhYi6aonNw=; b=VsShIsXULg3CzTScCT4efQFJR2krk96rsz3CUIh4x5BbiQ+umW1RWszJy4B4rEMVbH 9VFIB/AMqqyLQHSRjmyiHMxpIOd79WzEGK8rjP6R1nA0UHjYXX6UZMITMhl2cbjeddll sDV0JPWk1DYFBypXeYmub9knD07ZP48yLXrVQ= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; b=e7TaVlUUCXM2PWNR1a51fJyclWl0W5IwkPcmQY4+Lm/woK2qPm/zg0hZdetWJwgKqw H6+eXQ3hJkRuNURylBz3oHxdE78sp2GuOgC46FiJLTnuDqmXnyePYaiIDDTfdx9jBoXY H38YgohhwZN9RAGIBFORGpME7DdUIPonuAZLQ= Received: by 10.142.217.17 with SMTP id p17mr449348wfg.118.1227298631945; Fri, 21 Nov 2008 12:17:11 -0800 (PST) Received: from ?4.231.87.148? (dialup-4.231.87.148.Dial1.Houston1.Level3.net [4.231.87.148]) by mx.google.com with ESMTPS id 28sm3513470wfg.28.2008.11.21.12.17.09 (version=SSLv3 cipher=RC4-MD5); Fri, 21 Nov 2008 12:17:11 -0800 (PST) Message-ID: <49271740.1010404@gmail.com> Date: Fri, 21 Nov 2008 14:17:04 -0600 From: Dale User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.17) Gecko/20081110 SeaMonkey/1.1.12 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] IGMP, what is this? References: <4926AE7C.5000003@gmail.com> <20081121140749.5b86df4b@vrpc02.rz.rwth-aachen.de> In-Reply-To: <20081121140749.5b86df4b@vrpc02.rz.rwth-aachen.de> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Archives-Salt: cea21abf-4cf3-443b-ac50-4af4cddf5292 X-Archives-Hash: b237e01d37c24a742a771574ae3b3127 Patric Schmitz wrote: > On Fri, 21 Nov 2008 06:50:04 -0600 > Dale wrote: > > >> Hi, >> >> I noticed a little modem activity while I was idle. I wasn't sure >> what it was so I used wireshark to capture and exported it. I did a >> google search and even read the wikipedia thing but I'm still not >> sure what to make of this. Here is what I got from wireshark: >> >> <<< SNOP >> >> >> Ideas? Thanks >> > > Hmm it looks like an IGMP multicast group membership > query. I have seen the (SAP) service discovery function of VLC > broadcasting those (or something similar, i might be mixing up things > here). > > On http://www.networksorcery.com/enp/protocol/igmp.htm i found: > > "0x11 Group Membership Query, general or group-specific. General > Query is used to learn which groups have members on an attached > network. Group-Specific Query is used to learn if a particular group > has any members on an attached network. These two messages are > differentiated by the Group Address." > > I hope this is of any help, > Patric > > > I was trying to figure out if someone was snooping in on my connection or something. I got a new ISP and I sort of think it is something their network does. Since I do my banking and credit card on this thing, I was just wanting to make sure I was safe to do that. I know they are encrypted but still want to make sure. Dale :-) :-)