GFW upgrade fail - visitors to blocked sites redirected to porn

In the past, the Chinese authorities’ DNS poisoning system would direct Chinese internet users who were trying to access Facebook, Twitter and other blocked websites (without the use of a circumvention tool) to a set of fake IP addresses that are blocked in China or are non-existent. After waiting for some time, Chinese internet users would receive a timeout message if they were trying to access a blocked site.

However, with the new DNS poisoning system, in addition to those IP addresses used before, the Chinese authorities are using real IP addresses that actually host websites and are accessible in China. For example, https://support.dnspod.cn/Tools/tools/ shows that if a user tries to access Facebook from China, they might instead land on a random web page, e.g. http://178.62.75.99

Below is a screenshot by a Chinese user when he was trying to access our GreatFire.org website which was blocked in China. He was redirected to a goverment site in Korea. In essense, GFW is sending Chinese users to DDOS the Korea government's website.

One Chinese Internet user reported to us that when he tried to access Facebook in China, he was sent to a Russian website, unrelated to Facebook. Another user tweeted that he was redirected to an German adult site when he tried to access a website for a VPN.

某墙你这什么意思,DNS 污染返回给我一个德国工口站的 IP,满屏很黄很暴力弹弹弹(

— nil (@xierch) January 4, 2015

The redirection to adult content is especially ironic. The authorities often cite the “protection of minors” as one reason to justify internet censorship. But in this example, users who are trying to access perfectly legal but blocked content instead are sent to illegal (in China) adult content websites. Perhaps this is a mistake but it may not be. Does this signal that the censorship authorities are beyond the rule of law in China?

This upgrade of the GFW effectively disabled many anti-DNS-poisoning tools. Because GFW used only a small set of fake IP addresses, these tools could discard the fake IP addresses easily and access the correct IP addresses to bypass any block. Now this is no longer possible as legitimate IP address are used to poison other domains. In addition, the authorities may be experimenting with a new way of hiding censorship from the people by redirecting them to random sites that are accessible - making it seem that the problem rests with the host website.

Chinese internet users have grown accustomed to websites timing out - and many make the connection with censorship. Maybe the authorities think that, after a transition period, internet users will become accustomed to the new model of DNS poisoning as they have with websites timing out. We do not anticipate that Chinese netizens will react negatively to this change as many are already familiar with such tactics. The redirection strategy was already being used by some local ISPs in China to deliver advertising.

It is clear that the authorities treat the great firewall as a work-in-progress and are constantly tweaking and making changes to the censorship apparatus. We expect to see more changes in the coming months.

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Mon, Jun 10, 2019

Apple Censoring Tibetan Information in China

Apple has a long history of censorship when it comes to information about Tibet. In 2009, it was revealed that several apps related to the Dalai Lama were not available in the China App Store. The developers of these apps were not notified that their apps were removed. When confronted with these instances of censorship, an Apple spokesperson simply said that the company “continues to comply with local laws”.

In December, 2017, at a conference in China, when asked about working with the Chinese authorities to censor the Apple App Store, Tim Cook proclaimed:

"Your choice is: do you participate, or do you stand on the sideline and yell at how things should be. And my own view very strongly is you show up and you participate, you get in the arena because nothing ever changes from the sideline."

In the ten years since Apple was first criticized for working with the Chinese authorities to silence already marginalized voices, what has changed? Apple continues to strictly follow the censorship orders of the Chinese authorities. When does Tim Cook expect that his company will help to bring about positive change in China?

Based on data generated from https://applecensorship.com, Apple has now censored 29 popular Tibetan mobile applications in the China App Store. Tibetan-themed apps dealing with news, religious study, tourism, and even games are being censored by Apple. A full list of the censored apps appear below.

Thu, Jun 06, 2019

Report Shines Spotlight on Apple’s Censorship Practices in China

The newest Ranking Digital Rights Corporate Accountability Index makes recommendations on what companies and governments need to do in order to improve the protection of internet users’ human rights around the world. Ranking Digital Rights (RDR) works to promote freedom of expression and privacy on the internet by creating global standards and incentives for companies to respect and protect users’ rights.

In their 2019 Accountability Index, RDR looks at the policies of 24 of the world’s most important internet companies in respect to freedom of expression and privacy and highlights the companies that have made improvements and those companies that need to do more. RDR notes that:

Insufficient transparency makes it easier for private parties, governments, and companies themselves to abuse their power over online speech and avoid accountability.

In particular, the report highlights how Apple has abused their power over online speech, and notes instances of this in China. According to the report, Apple has not disclosed data around the content that it removes from its App Store when faced with requests from the government authorities.

While [Apple] disclosed data about government requests to restrict accounts, it disclosed no data about content removal requests, such as requests to remove apps from its App Store. Apple revealed little about policies and practices affecting freedom of expression, scoring below all other U.S. companies in this category.

The report makes intelligent and sensible recommendations for governments. However, the recommendations also highlight how difficult it is to have these discussions with governments like China’s.

Thu, Nov 30, 2017

About those 674 apps that Apple censored in China

Apple opened the door on its censorship practices in China - but just a crack.

Tue, May 23, 2017

Is China establishing cyber sovereignty in the United States?

Last week Twitter came under attack from a DDoS attack orchestrated by the Chinese authorities. While such attacks are not uncommon for websites like Twitter, this one proved unusual. While the Chinese authorities use the Great Firewall to block harmful content from reaching its citizens, it now uses DDoS attacks to take down content that appears on websites beyond its borders. For the Chinese authorities, it is not simply good enough to “protect” the interests of Chinese citizens at home - in their view of cyber sovereignty, any content that might harm China’s interests must be removed, regardless of where the website is located.

And so last week the Chinese authorities determined that Twitter was the target. In particular, the authorities targeted the Twitter account for Guo Wengui (https://twitter.com/KwokMiles), the rebel billionaire who is slowly leaking information about corrupt Chinese government officials via his Twitter account and through his YouTube videos. Guo appeared to ramp up his whistle-blowing efforts last week and the Chinese authorities, in turn, ramped up theirs.

via https://twitter.com/KwokMiles/status/863689935798374401

Mon, Dec 12, 2016

China is the obstacle to Google’s plan to end internet censorship

It’s been three years since Eric Schmidt proclaimed that Google would chart a course to ending online censorship within ten years. Now is a great time to check on Google’s progress, reassess the landscape, benchmark Google’s efforts against others who share the same goal, postulate on the China strategy and offer suggestions on how they might effectively move forward.

flowers on google china plaque

Flowers left outside Google China’s headquarters after its announcement it might leave the country in 2010. Photo: Wikicommons.

What has Google accomplished since November 2013?

The first thing they have accomplished is an entire rebranding of both Google (now Alphabet) and Google Ideas (now Jigsaw). Throughout this blog post, reference is made to both new and old company names.

Google has started to develop two main tools which they believe can help in the fight against censorship. Jigsaw’s DDoS protection service, Project Shield, is effectively preventing censorship-inspired DDoS attacks and recently helped to repel an attack on Brian Krebs’ blog. The service is similar to other anti-DDoS services developed by internet freedom champions and for-profit services like Cloudflare.

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