[dba-Tech] Securing Excel File to avoid E-mail forwards

Hi Erwin

That may be true. Or at least you can force it to be true: Publish the sheet with encrypted data, then let the sheet "phone home" with some unique ID to obtain the key. It could be the IP address which would be the outside address of the gateway. Not fool proof in any way - as, again, the data can be read and copied when decrypted - but it would track simple copying of the sheet.

/gustav

>>> Erwin.Craps at ithelps.be 20-12-2005 21:27:41 >>>
I'm not that sure about that.
If it's a regular port 80 post it should work, when the user has
internet access. 
Wich I'm sure he has in this case.

Erwin
 

-----Oorspronkelijk bericht-----
Van: dba-tech-bounces at databaseadvisors.com 
[mailto:dba-tech-bounces at databaseadvisors.com] Namens Bobby Heid
Verzonden: dinsdag 20 december 2005 13:15
Aan: 'Discussion of Hardware and Software issues'
Onderwerp: Re: [dba-Tech] Securing Excel File to avoid E-mail forwards

As for the "phone home" part, all it takes is telling a firewall not to
allow it and there goes that part.

Bobby