Cable Modem & X10

I'm considering going with a cable modem, and am pretty paranoid about
leaving my cluster online full-time. Wouldn't a good security measure be
to use an X10 controller to power down the cable modem when there is no
net activity? Similar to a PPP link hanging up the modem on a dial-up?

I've searched the net for people doing this, and haven't found anything.

Am I being stupid?

Mike

In article <(E-Mail Removed)>, Mike <(E-Mail Removed)> wrote:
> I'm considering going with a cable modem, and am pretty paranoid about
> leaving my cluster online full-time. Wouldn't a good security measure be
> to use an X10 controller to power down the cable modem when there is no
> net activity?

It would be nicer to the hardware (and the DHCP server) to use a
low-voltage switch to disconnect the ethernet connection, rather than the
power connection. Have to make sure the switch is clean up to 10MHz.

--
-eben (E-Mail Removed)m home.tampabay.rr.com/hactar
A. A Top Poster
B. Who's there?
A. Knock-knock -- from (E-Mail Removed)

"Mike" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> I'm considering going with a cable modem, and am pretty paranoid about
> leaving my cluster online full-time. Wouldn't a good security measure be
> to use an X10 controller to power down the cable modem when there is no
> net activity? Similar to a PPP link hanging up the modem on a dial-up?
>
> I've searched the net for people doing this, and haven't found anything.
>
> Am I being stupid?

You're not paranoid if they really are out to get you. Why not just use a
script to down the interface. You should be able to get inetd to recognize
activity and run a script to bring the interface back up.

JW

Hactar wrote:

> In article <(E-Mail Removed)>, Mike <(E-Mail Removed)>
> wrote:
>> I'm considering going with a cable modem, and am pretty paranoid about
>> leaving my cluster online full-time. Wouldn't a good security measure be
>> to use an X10 controller to power down the cable modem when there is no
>> net activity?
>
> It would be nicer to the hardware (and the DHCP server) to use a
> low-voltage switch to disconnect the ethernet connection, rather than the
> power connection. Have to make sure the switch is clean up to 10MHz.
>

Or just control the power to a cheap 10 Mb hub.

Or maybe just use a firewall box.

--

Fundamentalism is fundamentally wrong.

To reply to this message, replace everything to the left of "@" with
james.knott.

On Sat, 14 Feb 2004 20:55:28 GMT, James Knott <(E-Mail Removed)>
wrote:

>Hactar wrote:
>
>> In article <(E-Mail Removed)>, Mike <(E-Mail Removed)>
>> wrote:
>>> I'm considering going with a cable modem, and am pretty paranoid about
>>> leaving my cluster online full-time. Wouldn't a good security measure be
>>> to use an X10 controller to power down the cable modem when there is no
>>> net activity?
>>
>> It would be nicer to the hardware (and the DHCP server) to use a
>> low-voltage switch to disconnect the ethernet connection, rather than the
>> power connection. Have to make sure the switch is clean up to 10MHz.
>>
>
>Or just control the power to a cheap 10 Mb hub.
>
>Or maybe just use a firewall box.


Why not just use a cron job to ifconfig eth0 up and down, as
appropriate?

Mike-

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