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Comcast network upgrade blocks DNS blocking, could make SOPA self-incompatible

Sharif Sakr

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Now here's a quirky twist in the ongoing SOPA opera. Comcast has just deployed DNSSEC technology across its entire internet service, which adds an extra layer of security to websites by checking that they have a special DNS signature to prove their identity. All well and good, except that in the process Comcast has been forced to admit that DNSSEC is "technically incompatible" with DNS redirect tools -- which happen to be precisely the tools that the Stop Online Piracy Act would use to block websites accused of copyright violation. The irony only deepens when you realize that Comcast is a major proponent of SOPA and, if anything, ought to be able to comply with its future edicts.

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