I'll bet you are a lucky person!
When I received my first cable modem, I only saw activity when I was on
it.
Powering down my machines resulted in no activity on the lights.
Later I had to exchange the unit with another. After that I started
seeing a lot of activity with no machines powered up.
The Cable modem can communicate to a specific "node" at the remote end
dependant upon the frequency (channel) selected to carry signal.
ISP's frequently break up the load by putting groups of people, or areas
on specific channels.
It may be that you are in a sparse area, or a channel that is as of yet
private to you.
Try running IPTRAF and put it into promiscuous mode. Look for other
machines on your subnet.
If you see none, count your blessings!
-JMS
-----Original Message-----
From: Mitch Thompson [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, June 27, 2001 6:26 AM
To: Jose M. Sanchez; 'Laurent Duperval'; 'Mandrake Expert List'
Subject: Re: [expert] Network sniffing, how?
-----BEGIN PGP SIGNED MESSAGE-----
Hash: RIPEMD160
Interesting. Either my cablemodem (Toshiba) is filtering, or I am the
only
one on my subnet. I never see any activity except mine, and arp
requests
from the gateway.
On Wednesday 27 June 2001 12:24 am, Jose M. Sanchez wrote:
> "Some" activity?
>
> Wow are you lucky.
>
> Cable modems are a shared resource. As such you basically share a fat
> pipe with everyone in a several MILE radius.
>
> I frequently use iptraf (set to promiscuous mode) to find out who is
> hogging the bandwidth.
>
> Since it displays the sites (it does DNS resolves for you!) people are
> going to, you can see what everyone is looking at or sites that they
> are going to.
>
> That said, I'm not a napster user, but boy they did have many people
> plugging away on it.
>
> It's also interesting to note how many misconfigured machines ISP's
> have hooked up to the headends. Doing everything from leaking NetBIOS
> packets, etc. to local machines and on out to the internet.
>
> Fun stuff...
>
> -JMS
>
- --
Mitch Thompson, San Antonio TX
Redhat Certified Engineer #80609957760032
http://www.redhat.com/training/rhce/certification/index.html
Key fingerprint = BBDA 3A2A 4483 BD0D 7CED B8A9 D183 C8F6 B0AF 66AE
- --
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