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#1 2009-02-15 17:03:11

pwvandeursen
Member
Registered: 2007-07-04
Posts: 112

strange traffic

Just installked a win 7 machine on my local internet, and since that point I have massive amounts of traffic going to and from my DNS that I cannot locate.

I see between 60 and 600 KB/s going to and from my win 7 and dns machines....and this is constant. no pauses. Also when I reboot it comes back. receiving on my win7 machine is always a bit higher that the sending amount..

this is what I have

/ # netstat -tln
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 0.0.0.0:515             0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:3306            0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:139             0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:80              0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:21              0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:23              0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:3000            0.0.0.0:*               LISTEN
tcp        0      0 0.0.0.0:443             0.0.0.0:*               LISTEN
/ #
/ #

BWMeter found:

15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 116 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 108 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 187 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 144 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 187 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 128 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 187 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 144 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 119 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 144 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 119 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 128 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 119 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 144 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 119 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 128 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 128 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 147 bytes, protocol: 6
15-2-2009 15:59:49: HTPC:49180 -> BACKUP:139 : 116 bytes, protocol: 6
15-2-2009 15:59:49: BACKUP:139 -> HTPC:49180 : 128 bytes, protocol: 6


Any Idea what it could be?I have cheched with avg, and spybot, but both came up negative.

ANy help would be appriciated
Thanks
Patrick

Last edited by pwvandeursen (2009-02-15 17:06:15)

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#2 2009-02-20 03:26:01

michaelscott
Member
Registered: 2009-02-20
Posts: 5

Re: strange traffic

I'm guessing the name of your dns-323 is 'backup'.  Anyway, download and run Wireshark on your Windows 7 box to capture traffic between the two.  From there find out what is transferred between the two (Follow tcp stream).

Google DFS DNS-323
Google DNS-323 Samba

One last thing:

LLTD

Select enable or disable to turn LLTD on or off.

LLTD
Link Layer Topology Discovery allows the DNS-323 to be discovered by Windows Vista's network map. (Note: Enabling LLTD may cause decreased network performance. If you are experiencing decreased network performance try disabling LLTD.)

Good luck,

Michael Scott

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#3 2009-02-20 19:16:05

pwvandeursen
Member
Registered: 2007-07-04
Posts: 112

Re: strange traffic

Michael,

thanks for your reply. I downloaded wireshark and installed it. ran a capture, but am lost what to do now. Unfortunately I don't know what I am doing....

The only thing I see is the amount of bandwidth to and from the dns is increasing....

What am I looking for?

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#4 2009-02-21 17:28:09

michaelscott
Member
Registered: 2009-02-20
Posts: 5

Re: strange traffic

Perhaps if you don't mind, please save and attach your capture file (for about 1 minute of traffic).

Also, look at the following DFS article (though it is not Windows 7)

http://support.microsoft.com/kb/905846/en-us

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#5 2009-02-22 19:19:21

pwvandeursen
Member
Registered: 2007-07-04
Posts: 112

Re: strange traffic

here is the file attached

hope this can give some clarification

Patrick

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