Download e-book for kindle: Access Denied. Practice and Policy of Global Internet by Ronald J. Deibert, John G. Palfrey, Rafal Rohozinski,

By Ronald J. Deibert, John G. Palfrey, Rafal Rohozinski, Jonathan Zittrain

ISBN-10: 0262042452

ISBN-13: 9780262042451

ISBN-10: 0262541963

ISBN-13: 9780262541961

ISBN-10: 1435631714

ISBN-13: 9781435631717

Many nations around the globe block or filter out web content material, denying entry to information—often approximately politics, but in addition with regards to sexuality, tradition, or religion—that they deem too delicate for usual electorate. entry Denied records and analyzes net filtering practices in over 3 dozen international locations, delivering the 1st carefully performed research of this accelerating pattern. web filtering happens in a minimum of 40 states around the globe together with many nations in Asia and the center East and North Africa. comparable net content material keep an eye on mechanisms also are in position in Canada, the USA, and a cluster of nations in Europe. Drawing on a just-completed survey of world web filtering undertaken through the OpenNet Initiative (a collaboration of the Berkman middle for web and Society at Harvard legislations college, the Citizen Lab on the collage of Toronto, the Oxford net Institute at Oxford collage, and the collage of Cambridge) and counting on paintings by way of local specialists and an in depth community of researchers, entry Denied examines the political, felony, social, and cultural contexts of net filtering in those states from various views. Chapters talk about the mechanisms and politics of web filtering, the strengths and boundaries of the know-how that powers it, the relevance of foreign legislations, moral concerns for firms that offer states with the instruments for blockading and filtering, and the results of web filtering for activist groups that more and more depend upon web applied sciences for speaking their missions. studies on net content material legislation in 40 various nations stick with, with every one state profile outlining the kinds of content material blocked through classification and documenting key findings. Contributors : Ross Anderson, Malcolm Birdling, Ronald Deibert, Robert Faris, Vesselina Haralampieva, Steven Murdoch, Helmi Noman, John Palfrey, Rafal Rohozinski, Mary Rundle, Nart Villeneuve, Stephanie Wang, and Jonathan Zittrain

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Additional info for Access Denied. Practice and Policy of Global Internet Filtering [censorship]

Sample text

In addition to blocking the IP for Blogspot, they also block Yahoo’s hosting service, which results in major overblocking. com they are actually blocking more than 52,000 other Web sites hosted on that same server. DNS tampering is achieved by purposefully disrupting DNS servers, which resolve domain names into IP addresses. Generally, each ISP maintains its own DNS server for use by its customers. To block access to particular Web sites, the DNS servers are configured to return the wrong IP address.

Where blockpages are used, it is clearly apparent to users when a requested Web site has been intentionally blocked. Other countries give no indication that a Web site is blocked. In some cases, this is a function of the blocking technique being used. Some countries, such as Tunisia and Uzbekistan, appear to deliberately disguise the fact that they are filtering Internet content, going a step farther to conceal filtering activity beyond the failure to inform users that they are being filtered. Another subset of countries, including Bahrain and United Arab Emirates, employ a hybrid strategy, indicating clearly to users that certain sites are blocked while obscuring the blocking of other sites behind the uncertainty of connection errors that could have numerous other explanations.

Increasingly, though, the state is turning to private parties to carry out the control online. Many times, those private parties are corporations chartered locally or individual citizens who live in that jurisdiction. In chapter 5, we describe a related, emerging problem, in which the state requires private intermediaries whose services connect one online actor to another to participate in online censorship and surveillance as a cost of doing business in that state. The dynamic of control online has changed greatly over the past ten years, and it is almost certain to change just as dramatically in the ten years to come.

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Access Denied. Practice and Policy of Global Internet Filtering [censorship] by Ronald J. Deibert, John G. Palfrey, Rafal Rohozinski, Jonathan Zittrain


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