Hello Paul,
reply 1) Yes, you can broadcast a UDP request and make all copies on
the network send (part of) their serial number to compare them with
the serial number of the newly opened copy of your application.
reply 2) Yes, you can use USER$ on some platforms, but not all. You
can also use MAC address, label of the hard disk, IP address and
other characteristics. However, I will never buy software that
requires me to provide information like this, because I know it will
be a hassle to install the software on a new machine. Besides, there
is a hack for each protection measure which makes it difficult to
decide how much to invest in protection.
Best,
Mark
--
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Consultancy and Software Engineering
http://economy-x-talk.com
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Op 29-mei-2006, om 13:59 heeft Paul Claude het volgende geschreven:
Two shareware questions:
1) There is a way to determine if there is more than one copy of
your app
running on a local net (to check the use of the right shareware
license by
your customer)?
2) To create a license code for your customer that include the
computer User
Name ($USER - to avoid illegal duplications and distributions), may
cause
some contraindication?
Regards,
Paul Claude
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