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Old 02-25-2007, 03:29 AM
Jeff Liebermann
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Default Re: How to check computers connected?

On Sat, 24 Feb 2007 10:58:51 +0000, Kev <invalid@invalid.invalid>
wrote:

>The "Hub" doesn't have such niceties, it came as a freebie when we
>upgraded to "up to 8Mb" broadband.
>http://tinyurl.com/zghtn


The tinyurl didn't show anything. I got a blank page. However, I
found the BT Hub elsewhere. Only one ethernet jack. One would think
that plugging a cheap ethernet hub (not a switch) into this port and
you will see all the traffic. Nope. There's still a 3 port switch
inside the box. One port to the router, one to the wireless, and one
to the external ethernet connector. Same problem as before. You
don't see any of the traffic not specifically designed to or from the
monitoring PC. In order for this to be useful for external
monitoring, you would have to divorce the router from the wireless
access point sections (which can't be done), or simply disable the
wireless section, and use an external wireless access point.

>Thanks for all the info.,it has been very informative.


Thanks. That's what I try to be.

>The easiest way for Lanspy to "see" the locked down laptops was to
>disable the ping check, in options, and only look for MAC addresses.


Yep. That's the passive sniff mode, which will pickup broadcasts. You
should see those on any port since packets (such as broadcasts) that
have no specific destination MAC address, go to ALL the ports on a
switch.

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# 831-336-2558 jeffl@comix.santa-cruz.ca.us
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