Hi, FWIW, our PKI site with our measurements and data sets gets reported as "100% blocked" by GreatFire. ;) I wonder how I should interpret that. ;)
https://en.greatfire.org/search/all/https%3A//pki.net.in.tum.de Ralph On 12/23/2012 04:28 AM, Martin Johnson wrote: > Hi all, > > I'm the founder of GreatFire.org. Let me try to explain how we run our > tests. I'd very much like to get your feedback on how our system can > become more accurate and transparent. > > The two Crypto.cat URLs being tested can be viewed here: > https://en.greatfire.org/https/project.crypto.cat > https://en.greatfire.org/https/blog.crypto.cat > > Both pages state that the URLs are "x% restricted in China" but "0% > blocked". Next to the "Otherwise restricted" label, there's a link to > "Throttling" explaining our definition which in turn refers > to https://en.wikipedia.org/wiki/Bandwidth_throttling. A throttled > websites is slow but not blocked. Labeling it as throttled also suggests > that it's intentionally slow, which we cannot prove. A lot of foreign > websites are slow in China, but there are big differences. For example, > we strongly suspect that GMail and other Google services are actively > throttled, to discourage people from using them. Other websites could > simply be slow because of where they are hosted and the speed from China > to that web host. > > On our test pages, if you click on any date in the calendar, you can > view our detailed test data. You can for example see that the "Host IPs" > for Crypto.cat returned when tested from the US and different locations > in China are the same. You can also verify the HTML title and the > download size, etc. > > Crypto.cat is not blocked in China now, but if it becomes popular, it > will most likely be blocked. If they use DNS poisoning you'd have to > setup mirror websites. If they block the IP, however, you can rotate the > IP addresses to get around it. We offer a service that does this > at https://unblock.cn.com and we'd be happy to help you reach as many > users as possible in China. > > Feedback very welcome. > > Martin Johnson > --- > https://FreeWeibo.com <https://freeweibo.com/> - Uncensored, Anonymous > Sina Weibo Search. > https://GreatFire.org <https://greatfire.org/> - Monitoring Online > Censorship In China. > https://Unblock.cn.com <https://unblock.cn.com/> - We Can Unblock Your > Website In China. > > > > On Sun, Dec 23, 2012 at 1:04 AM, Joss Wright > <joss-liberationt...@pseudonymity.net > <mailto:joss-liberationt...@pseudonymity.net>> wrote: > > On Sat, Dec 22, 2012 at 05:48:34PM +0100, Ralph Holz wrote: > > > > PS: While I was at it, I checked the current DNS rewriting for > > twitter.com <http://twitter.com>. It still points to a Korean IP. > > Some of the more fun DNS poisoning in my experiments[1] were >=15 > apparently unrelated servers across China all redirecting > torproject.org <http://torproject.org> > to 'tonycastro.net <http://tonycastro.net>' or 'tonycastro.com > <http://tonycastro.com>', and a separate set redirecting > to 'thepetclubfl.net <http://thepetclubfl.net>'. > > A New Scientist journalist wrote up that work[2] and contacted both > sites. Tony Castro[3] instantly threatened to sue everyone in sight for > implying that he was a Chinese sleeper agent. The Pet Club webmaster had > noticed the Chinese traffic and was interested to know where it had come > from. :) (I suggested setting up a few China-focused pay-per-view > adverts.) > > Joss > > [1] > > http://www.slideshare.net/josswright/through-a-router-darkly-remote-investigation-of-chinese-internet-f > [1b > > <http://www.slideshare.net/josswright/through-a-router-darkly-remote-investigation-of-chinese-internet-f > [1b>] > > http://www.pseudonymity.net/~joss/doc/work/presentation/2012/10/wright-censormap.pdf > (Original) > [2] > > http://www.newscientist.com/article/mg21628936.300-florida-pet-spa-mystery-link-to-chinas-great-firewall.html > (Requires registration.) > [3] http://tonycastro.net/ (A life story worth Googling...) > > -- > Joss Wright | @JossWright > http://www.pseudonymity.net > -- > Unsubscribe, change to digest, or change password at: > https://mailman.stanford.edu/mailman/listinfo/liberationtech > > > > -- > Unsubscribe, change to digest, or change password at: > https://mailman.stanford.edu/mailman/listinfo/liberationtech > -- Ralph Holz Network Architectures and Services Technische Universität München Phone +49 89 28918043 http://www.net.in.tum.de/de/mitarbeiter/holz/ PGP: A805 D19C E23E 6BBB E0C4 86DC 520E 0C83 69B0 03EF -- Unsubscribe, change to digest, or change password at: https://mailman.stanford.edu/mailman/listinfo/liberationtech
