Electronic Frontiers Australia (EFA) today labelled a recent government trial of ISP-based Internet filtering a failure.

The recently released ACMA report entitled “Closed Environment Testing of ISP-Level Internet Content Filtering” showed that of the six unnamed ISP-based filters evaluated:

• One filter caused a 22% drop in speed even when it was *not* performing filtering;
• Only one of the six filters had an acceptable level of performance (a drop of 2% in a laboratory trial), the others causing drops in speed of between 21% and 86%;
• The most accurate filters were often the slowest;
• All filters tested had problems with under-blocking, allowing access to between 2% and 13% of material that they should have blocked; and
• All filters tested had serious problems with over-blocking, wrongly blocking access to between 1.3% and 7.8% of the websites tested.

Despite this report highlighting the inaccuracy of these filters and the loss of performance caused by their use, Senator Conroy announced the government will press ahead with a real-world pilot program in furtherance of Labor’s pre-election commitment to force all Australian ISP’s to filter their customers’ Internet access.
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Filed in: Censorship, Media Releases

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