Ray Cote wrote:
>
> At 4:42 AM -0700 5/23/01, Karl J. Runge wrote:
> >Here's an idea for static content and for some types of dynamic...
> >... possibly doing a diff with the "fresh" data beforehand and notifying some admin
>if there are differences
>
> Interesting idea. Practically, you could keep a duplicate copy of the site somewhere
>isolated behind your firewall and run an rsynch-type of product on it that reports
>(Emails/Pages/Loud Sirens in the night) when something changes.
>
> Ray
Something like the way the FAA monitors localizer and glideslope transmitters
for instrument approaches?
There are real receivers placed out in the field, and listen to the transmitters
just like aircraft receivers would. Of course, the test receivers, since they
know where they are, also know what signal they should receive, and can raise
an alarm when they receive something wrong.
So a site prober could be located anywhere on the 'net, and send off alarms
whenever it detects that your site is serving a web page that's not like what's
expected.
(But it does take effort. Isn't the essence of the recent thread about
security in general simply that, for reason after reason, effort isn't
made?)
-Bill
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