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[liberationtech] Images of Blocking in Different Countries?

liberationtech at liberationtech at
Wed Aug 15 06:46:01 PDT 2012

On Wed, Aug 15, 2012 at 02:55:33PM +0800, crates at wrote 14K bytes in 386 lines about:
: As far as I can tell, China doesn't "keyword-filter" in the sense most
: people think of that phrase. That is, the Great Firewall isn't inspecting
: all the text which flows through it, failing to deliver any web pages which
: have offending words. The filtering is of two main types:

China does lots of things in various ways. Best educated guesses as to why
this is so are around lack of coordination internally and they like to
try new things to see how much under- or over-blocking happens. What's
been interesting is that I ran an IPv6-only host for the past year
and queried all sorts of banned terms and known-blocked sites without
issue. It seems China only focuses on IPv4 right now. When Huawei,
Cisco, ZTE, and others have an IPv6 firewalling solution, I'm sure the
censorship will expand to include IPv6 as well.

pgp 0x6B4D6475

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