Excessive network traffic -
Les Mikesell
lesmikesell at gmail.com
Mon Nov 26 19:23:14 UTC 2007
Bob Goodwin wrote:
>
> Below is about thirty seconds of data recorded at the RJ45 connector on
> my Wildblue receiver/modem. The computer I'm using to test with is a
> new F8 installation [192.168.1.10] and I don't know that it does
> anything F7 didn't do but I see continuous activity, apparently the
> result of DNS activity, since it is to the Wildblue DNS server on port
> 53. Is that normal? 60 bytes doesn't amount to much of a days usage
> but still it is consuming bw.
>
> Bob Goodwin
>
> Mon Nov 26 12:30:19 2007; UDP; eth1; 63 bytes; from 192.168.1.10:32771
> to 12.189.32.61:53
> Mon Nov 26 12:30:24 2007; UDP; eth1; 60 bytes; from 192.168.1.10:32771
> to 12.189.32.61:53
> Mon Nov 26 12:30:29 2007; UDP; eth1; 60 bytes; from 192.168.1.10:32771
> to 12.189.32.61:53
> Mon Nov 26 12:30:34 2007; UDP; eth1; 60 bytes; from 192.168.1.10:32771
> to 12.189.32.61:53
> Mon Nov 26 12:30:39 2007; UDP; eth1; 60 bytes; from 192.168.1.10:32771
> to 12.189.32.61:53
> Mon Nov 26 12:30:44 2007; UDP; eth1; 60 bytes; from 192.168.1.10:32771
> to 12.189.32.61:53
> Mon Nov 26 12:30:49 2007; UDP; eth1; 60 bytes; from 192.168.1.10:32771
> to 12.189.32.61:53
It's normal if you have some reason to be looking up names. Try running
tcpdump or wireshark so you can see more about the request. It seems
odd that you don't see any responses coming back. Does the modem deal
with the private address/NAT for you?
--
Les Mikesell
lesmikesell at gmail.com
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