FW: [Web4lib] ethernet cable alarm

[Keith A. Jones]

This idea may have already been mentioned, but you could take a pair of wire
snips and cut off the plastic tab just above the place where it locks the
cable into place.  Then they would need a pen knife to remove the cable.
But then again, so would you.

Keith.

-----Original Message-----
From: web4lib-bounces at webjunction.org
[mailto:web4lib-bounces at webjunction.org]On Behalf Of Thomas Edelblute
Sent: Friday, November 04, 2005 11:16 AM
To: web4lib at webjunction.org
Subject: RE: [Web4lib] ethernet cable alarm


Check with your network security experts to make sure they have not
turned off ICMP traffic before implementing a solution like this.  Our
City IT department implemented such a security measure and ping stopped
working.


Thomas Edelblute
Anaheim Public Library

-----Original Message-----
From: web4lib-bounces at webjunction.org
[mailto:web4lib-bounces at webjunction.org] On Behalf Of Richard Wiggins
Sent: Thursday, November 03, 2005 10:01 PM
To: web4lib at webjunction.org
Subject: Re: [Web4lib] ethernet cable alarm

There are a number of software products that will monitor devices in
various ways, the simplest being a PING test.  An example is What's Up
Gold.  The software has management screens that show status of a bunch
of devices, normally used for monitoring servers, but it could be used
to make sure a fleet of PCs is online.

But if you do this client-side, what if the PC is simply powered down
before it's unplugged?  If you do this server side, wouldn't an alert go
off if the PC is powered down, or if there is a glitch on the network?

/rich

On 11/4/05, McMorris,Don <dmcmorris at sals.edu> wrote:
> Maybe you don't need an alarm that the cable is unplugged, but
software that monitors the loss of connectivity...
>
> What I'm thinking is something that pings the server every 10 or 15
seconds.  If it gets a reply, it does nothing.  If at one moment it
cannot connect, it will cause an action (IE: make the PC speaker
continuously alarm, start a full screen application which flashes
alternating black-and-white saying "Don't touch my cables!", something
like that.
>
> Or, the server will ping the clients.  If ping fails, it sends a
windows messenger (winpopup, net send) message to whatever workstation
"Client CRKRPC1 lost connectivity"
>
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