'The Internet Engineering Steering Group (IESG) has finally approved
the new 451 status code for HTTP error messages involving web pages
which have been repressed or removed for legal or political reasons.
The initiative was proposed in 2013, and gained interest from various
groups, such as Lumen (formerly Chilling Effects), who see the
potential of the Bradbury-inspired code to help develop comprehensive
indexes of censorship on the internet. Mark Nottingham, chair the IETF
HTTP Working Group, says, "It'll be an RFC after some work by the RFC
Editor and a few more process bits, but effectively you can start
using it now."'
-- source: http://yro.slashdot.org/story/15/12/21/1549258
Dept. of Computer Science
University of Waikato, NZ
+64 (7) 858-5174