Hi Thanks katja. This method sounds like it would overcome a lot of my problems. I think its something to look into. I have not implemented a 'call home service' before though so I think it will need a fair bit of development from me.
Would I be using a 'web server application' for the web service? Pete --- In [email protected], "katja_bergman" <[EMAIL PROTECTED]> wrote: > Hi, > > Ever used the product called XMLSpy? It has a similar feature as what > you are looking for. It checks the local network to see if there are > as many copies running (at maximum) as the user has licenses. Thus > for a company it becomes difficult to use the program on two systems > at the same time if they only have once license. > > But if they use it on two different computers that have no direct > network connection then this will just fail again. > > A better option could be to include a call-home feature. Create a web > service on your own website and let the program "call home" when it's > started up. That way, you can also inform the user of any updates of > your software or maybe provide some simple patches. > With the call home, you can also send e.g. the MAC address of the > system(s) that are used by these potential customers. Link those MAC > addresses with any registration keys that you have and if you notice > that they use a different demo key from the same old MAC address, you > know they are trying to break your protection. > Basically, you block them from using your software after 21 days > because after 21 days your webservice tells them that this machine is > not allowed to continue to use this program any further. Means they > either have to replace their network card or use a different > computer, or just purchase it. > And basically, it means you have to store ABSOLUTELY NO information > on their system, that they could crack... > > Isn't that a good idea? :-) > > With kind regards, > X Katja Bergman. ----------------------------------------------------- Home page: http://groups.yahoo.com/group/delphi-en/ To unsubscribe: [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/delphi-en/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
