Re: Unexpected IGMP network traffic

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Does your box generate the IGMP or are you only receiving the 
packets? You might want to have a look at the count of packets using 
the package "iptraf".

On 25 Feb 2003 at 15:13, Cliff Kent wrote:

> I recently set up a RH 8.0 "home network" server. It's very much like
> several others that I've done before. Samba for a windows file and
> print servers. And, because this customer wanted to get a look at
> Linux, two VNC servers that are accessed by VNC viewers on the windows
> boxes.
> 
> The customer is happy. <g>
> 
> All of this is behind a linksys firewall/router. So, the linux box has
> no firewall. I did try to shut down all unneeded services.
> 
> But just for fun, I ran nmap and netwatch on the server. Nmap shows
> only the expected ports open.
> 
> However, netwatch shows a lot of IGMP packets. These are returned by
> what looks like multicast servers on the internet. I shut down the
> windows boxes, stopped the VNC servers, and stopped samba. But the
> IGMP chatter continues.
> 
> Seems like I've seen this traffic from windows. But, never from linux
> before.
> 
> Does anybody know what I might have running that's creating all the
> chatter?
> 
> Thanks,
> 
> Cliff Kent
> 
> 
> 
> -- 
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