On Jul 4, 2011, at 11:11 PM, Brielle Bruns wrote:

DRM/Copy protection. The most common way programs do this, is to send out a notice on the LAN when they start, and see if another computer responds to the request. If it does, they compare serial numbers, and refuse to run if they have matching serial numbers that only allow one use.

Some listen for broadcast traffic on a specific port, others may use multicast.

If this is true, then won't Little Snitch stop this cold?

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