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[liberationtech] Images of Blocking in Different Countries?

Rebecca MacKinnon rebecca.mackinnon at gmail.com
Thu Aug 16 06:03:50 PDT 2012


Wow Paul thanks so much for the glowing endorsement and all the pointers.
I'm blushing! ;-)

I've been on this list for a couple of years, just haven't had time to
engage in it over the past few months.

Over the past year I have not been focusing on China much other than in a
very general journalistic way, and my study of  Chinese Internet censorship
was always more focused on the layer of content-hosting companies than the
ISP layer (mainly because when I started researching these things around
2005, the only research done on Chinese Internet censorship was on ISP
filtering and nobody was taking the other layers of censorship into
account). So I don't have anything to add to a discussion of the latest
developments in Chinese ISP filtering.

Cheers,
Rebecca

-- 
Rebecca MacKinnon
Author, Consent of the Networked <http://consentofthenetworked.com/>
Schwartz Senior Fellow, New America Foundation<http://newamerica.net/user/303>
Co-founder, Global Voices <http://globalvoicesonline.org/>
Twitter: @rmack <http://twitter.com/rmack>
Office: +1-202-596-3343

On Wed, Aug 15, 2012 at 10:50 PM, Paul Hyland <paulehyland at gmail.com> wrote:

> Yeah but that's just one paper - she's written, been quoted, testified
> before congress, spoken at conferences, etc about internet freedom and
> censorship, inside china and crossing the border and by private companies,
> along with many other countries around the world - including the US. And in
> the nation of Facebookistan.
>
> I saw a great talk she gave at the Freedom to Connect conference in the
> Spring, followed by an interview by Ian Schuler from Alex Ross's team at
> the State Department - the video archive should be available at the
> freedom2connect.net web site. Well over 100 articles and quotes from just
> the past two years are available at
> http://newamerica.net/people/archives/303 - and there's her book, Consent
> of the Networked, as well. Her contact info is on the New America page I
> shared previously.
>
> Paul
>
> On Aug 15, 2012, at 2:18 PM, "Eric S Johnson" <crates at oneotaslopes.org>
> wrote:
>
> Rebecca’s brilliant study (cited by Ivan) was about how companies which
> host content domestically (in China) monitor that content and delete
> anything they think doesn’t belong. It has nothing to do with ISPs, and
> nothing to do with the blocking of foreign content (the “Great Firewall”).
> ****
>
> ** **
>
> Best,****
>
> Eric****
>
> PGP<http://keyserver.pgp.com/vkd/DownloadKey.event?keyid=0xE0F58E0F1AF7E6F2>
> ****
>
> ** **
>
> *From:* Ivan Sigal [mailto:ivan.sigal at gmail.com]
> *Sent:* Wednesday, 15 August 2012 21:39
> *To:* Paul Hyland
> *Cc:* Eric S Johnson; Stanford tech list
> *Subject:* Re: [liberationtech] Images of Blocking in Different Countries?
> ****
>
> ** **
>
> Rebecca's study is here:****
>
> ** **
>
> http://firstmonday.org/article/view/2378/2089****
>
> ** **
>
> She found significant variation in ISP practices at the time.****
>
> ** **
>
> Cheers ****
>
> ** **
>
> Ivan****
>
> ** **
>
> ** **
>
> Ivan Sigal****
>
> Executive Director, Global Voices****
>
> ivan at globalvoicesonline.org l +1 202 361 2712****
>
> www.globalvoicesonline.org****
>
> ** **
>
> On Aug 15, 2012, at 9:35 AM, Paul Hyland wrote:****
>
>
>
> ****
>
> Rebecca MacKinnon would be one to ask about Internet censorship in China -
> she studied it at the University of Hong Kong a few years ago, and is on
> the board of Global Voices Online. She's now a fellow at the New America
> Foundation. ****
>
> ** **
>
> Bio/contact info: http://newamerica.net/user/303
>
> On Aug 15, 2012, at 2:46 AM, "Eric S Johnson" <crates at oneotaslopes.org>
> wrote:****
>
> 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:****
>
> 1)      any of thousands of domains or specific URLs are on a static
> blacklist, and****
>
> 2)      there is a small list of words which, if present in a URL, will
> dynamically result in blocking.****
>
> The blocking is generally manifested as a “connection reset” page which
> looks to most users like “page not found.” China also poisons the DNS for
> some of the domains it blocks, but this is (as far as I can tell) redundant
> because of “1” above. (I guess it trips up some users whose VPN fails to
> tunnel DNS requests.)****
>
>                Sometimes (inconsistently), an attempt to see blocked
> content results not only in the content not being delivered, but also a
> “punishment” meted out to the offending user: all attempts to access
> servers outside China fail for a period of between 5 and 10 minutes.****
>
>                It’s “2” above which can be used to censor searches, since
> unencrypted access to Google from inside China (or to Baidu from outside
> China) puts the search terms into the URL. This censorship can easily be
> neutralised by accessing Google via HTTPS.****
>
>                There are persistent reports that China’s cybercensorship
> can sometimes vary (a little) by ISP, but I’ve never seen this (I’ve only
> been to ~13 of the 34 PRC-defined provinces), and Alkasir hasn’t ever
> detected any such variations. (The internet in 3 of those provinces isn’t
> filtered: Hong Kong, Macao, and Taiwan. Of course, even if the PRC thinks
> Taiwan’s a province, Taiwan doesn’t think that.)****
>
>  ****
>
> Best,****
>
> Eric****
>
>  ****
>
> > -----Original Message-----****
>
> > From: liberationtech-bounces at lists.stanford.edu [mailto:liberationtech-*
> ***
>
> > bounces at lists.stanford.edu] On Behalf Of Philipp Winter****
>
> > Sent: Monday, 13 August 2012 16:15****
>
> > To: Stanford tech list****
>
> > Subject: Re: [liberationtech] Images of Blocking in Different Countries?
> ****
>
> > ****
>
> > On Sun, Aug 12, 2012 at 09:14:48PM -0700, Adam Fisk wrote:****
>
> > > My understanding is that China just shows a blank page. Is that
> correct?****
>
> > ****
>
> > That depends on the type of filtering. The keyword filtering
> infrastructure****
>
> > forcefully terminates connections and depending on the browser you will
> get an****
>
> > error message saying something like "The connection was reset".****
>
> > ****
>
> > You can actually test it yourself by going to baidu.com and searching
> for****
>
> > "falun".****
>
> > ****
>
> > Philipp****
>
> > _______________________________________________****
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