If you wish to know how the Internet is restricted by governments, the new 451 protocol will tell you.
Governments will not always be able to disguise which content they restrict across the Web thanks to a new error code which will warn users of content restricted through censorship.
On Friday, the group responsible for Internet standards, the Internet Engineering Steering Group (IESG), approved a new HTTP code to differentiate between Web pages which cannot be shown for technical reasons and others which are unavailable for non-technical reasons, such as governmental censorship.
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