Hi Martin, Thanks for the explanation, and thanks for everyone else for testing. I guess this was a false positive!
I'll post a clarification that, at worst, this is just throttling. NK On Sun, Dec 23, 2012 at 5:28 AM, Martin Johnson <[email protected]>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 < > [email protected]> 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. 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 >> to 'tonycastro.net' or 'tonycastro.com', and a separate set redirecting >> to '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%5B1b>] >> >> 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 >
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