A Seattle-based security researcher has devised a way to test for Net neutrality.

Dan Kaminsky will share details of this technique, which will eventually be rolled into a free software tool, on Wednesday at the Black Hat USA security conference in Las Vegas. The software can tell if computers are treating some types of TCP/IP traffic better than others -- dropping data that is being used in VoIP (Voice over Internet Protocol) calls, for example, or treating encrypted data as second class.

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