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Date:      Mon, 2 Feb 1998 21:04:03 -0600
From:      Ben Hockenhull <benh@jpj.net>
To:        Gopakumar H Pillai <gopu@global.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: APC Back UPS monitor
Message-ID:  <v03102800b0fc3918dbd7@[192.168.10.1]>
In-Reply-To: <34D6586D.875DAAAA@global.com>
References:  <Pine.BSF.3.95q.980131113024.8965A-100000@callisto.fortean.com>

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>About the second part, I am really interested in knowing what exactly it
>does. By the brief description, I am getting ideas to use it to
>synchronize the shutting down of all machines in case of power failure.
>I was thinking of writing a s/w which would broadcast a packet in the
>network and a client listening to it brings down the system. But I am
>too naive and have to study a lot to do this.

This would be fairly easy to implement, but not quite so easy to implement
securely.

It is well worth noting that in the absence of some sort of authentication
token, there is ample room for a DoS attack against any machines listening
for this packet.

Ben


--
Ben Hockenhull
benh@jpj.net
"Revenge is a dish best served with pinto beans and muffins."





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