数千个网站在中国遭“一锅端”

Analyzer是GreatFire的第一个项目,在2011年上线后,它一如以往的为大家提供测试服务直至今日。现在,我们做了一个新的项目叫做"Blocky",欢迎大家试用这个全新的版本!如果您对此有任何意见和建议,请发送邮件到support@greatfire.org

Edgecastcdn.net在中国遭到域名服务器缓存污染攻击,导致其下的所有子域名在中国被封。EdgeCast是全球最大的内容分发网络(CDN),为中国成千上万的网站和app提供云服务。

网络监测组织GreatFire使用“依附的自由”方式为网站解封,其假设便是,中国不会封锁通往全球内容发布网络的连接,因为当局很清楚中国融入全球互联网的价值。但该组织此次宣称,中国当局正试图将中国从全球互联网中孤立出来。

在过去数日内, “依附的自由”技术带来了许多“连带破坏”。GreatFire组织收到一些小网站发来的邮件,这些网站弄不清,为何自己网站的内容并不敏感,却遭到防火墙的封锁。

发生了什么?

据GreatFire称,他们于2014年11月13日监测到对EdgeCast的首个污染攻击。EdgeCast于2014年11月14日在其网站上告示,其服务在中国遭到干扰。并于17日发表相关博客称:

从我们的CDN、业界合作伙伴、和我们的用户处得知,愈来愈多的网站、CDNs和网络遭到中国防火墙过滤和封锁。本周,我们目睹了过滤升级,越来越多的网站遭到影响,甚至我们的一个服务器遭到部分封锁······当局没有提供任何理由。

Screen Shot 2014-11-17 at 12.26.20.png

该公司称,已推出相应政策和措施,协助用户应付中国此次的封锁,且表示“这是一直持续的问题”。

受影响的网站(皆为EdgeCast用户)包括:

             索尼移动 的全球网站和中国网站均遭到封锁。

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Drupal (drupal.org)的项目网站被封。全球许多网站都使用Drupal作为后来框架。而中国使用Drupal的网站管理员在升级Drupal或安装插件时,将面临干扰。

Firefox浏览器的插件:Firefox的 addons.cdn.mozilla.net使用EdgeCast的服务器,该浏览器的中国用户将无法安装任何插件。

Gravatar 被许多网站用来显示用户图片。这些图片都使用EdgeCast的服务器,任何使用Gravatar的中国网站都将无法正常显示用户图片。中国用户上这些网站后,将遇到下图中的情况。

其他被封的网站包括speedtest.net 和 deviantart.com。由于不同网站的不同元素(如图片)可能都依赖于EdgeCast,因此无法确切告知哪些网站遭到影响。EdgeCast用户列表  上的所有网站可能都受影响。以下是一些EdgeCast用户的截图。

edgecast.png

原因

中国防火墙试图封锁GreatFire所提供的所有“依附的自由镜像网站”(包括泡泡网),这些网站都被放在全球云服务器上。防火墙无法区分到云服务器上的交通,要封锁这些镜像网站,就必须封锁所有到该内容发布网络的通道。GreatFire的做法,迫使中国当局选择,是要让用户通往不受审查的网站,还是将全球的CDNs一锅端,一锅端的话将给中国经济带来重大的成本。

当局选择封锁EdgeCast的所有服务,成千上万个网站因此遭殃。许多企业将受到影响,很可能造成重大的经济损失。

EdgeCast近期被Verizon购买,而Verizon的董事会中包括许多在中国有巨额投资的公司高级负责人,包括皇家荷兰壳牌、宝洁公司和迪尔公司。

如果当局起初没有预料到封锁EdgeCast所造成的伤害,许多使用EdgeCast的中国公司也现在很可能已经提醒当局了。中国本周正在举行世界互联网大会,封锁EdgeCast很可能会成为热门话题。GreatFire呼吁中国政府立即解封EdgeCast。

Update

EdgeCast removed the status update on its website, but have published a blog post about their current problems in China: 

We have been hearing from our CDN and Monitoring partners throughout the industry and our own customers that more sites, CDNs and networks are being filtered or blocked by the Great Firewall of China. This week we’ve seen the filtering escalate with an increasing number of popular web properties impacted and even one of our many domains being partially blocked… with no rhyme or reason as to why.

At Verizon EdgeCast we have put policies in place to help our customers mitigate the effects of this most recent filtering but expect this to be an ongoing issue for our customers seeking to reach Chinese users (users in China). For any customers who are seeing their delivery impacted, please log in to your EdgeCast portal. Here you will find instructions on your portal home page on how to best mitigate filtering or blocking.

For those of our customers who are frustrated by this, we share your frustration, as does the whole content delivery and hosting industry. Rest assured that we stay committed to work with our global ISP partners and do our best to mitigate the effects of these filtering policies to ensure a clear path to your users and customers in China.

 

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星期一, 11月 25, 2024

China’s New Effort to Achieve Cyber Sovereignty

How Real-Name Registration policies create an “ideological firewall” that chills dissent by eliminating user anonymity and selectively restricting transnational access to Chinese social media apps.

星期四, 8月 10, 2023

1.4 million people used FreeBrowser to circumvent the Great Firewall of Turkmenistan

Since 2021, the authorities in Turkmenistan have taken exceptional measures to crack down on the use of circumvention tools. Citizens have been forced to swear on the Koran that they will not use a VPN. Circumvention tool websites have been systematically blocked. Arbitrary searches of mobile devices have also taken place and have even targeted school children and teachers.

The government has also blocked servers hosting VPNs which led to “near complete” internet shutdowns on several occasions in 2022. Current reports indicate that 66 hosting providers, 19 social networks and messaging platforms, and 10 leading content delivery networks (CDNs), are blocked in the country. The government presumably is unconcerned about the negative economic impact that such shutdowns can cause.

星期五, 3月 18, 2022

Well-intentioned decisions have just made it easier for Putin to control the Russian Internet

This article is in large part inspired by a recent article from Meduza (in Russian).

Since the beginning of the war in Ukraine, Russian users have had problems accessing government websites and online banking clients. Browsers began to mark these sites as unsafe and drop the connection. The reason is the revocation of digital security certificates by foreign certificate authorities (either as a direct consequence of sanctions or as an independent, good will move); without them, browsers do not trust sites and “protect” their users from them.

However, these actions, caused - or at least triggered by - a desire to punish Russia for their gruesome actions in Ukraine, will have long-lasting consequences for Russian netizens.

Digital certificates are needed to confirm that the site the user wants to visit is not fraudulent. The certificates contain encryption keys to establish a secure connection between the site and the user. It is very easy to understand whether a page on the Internet is protected by a certificate. One need just look at the address bar of the browser. If the address begins with the https:// prefix, and there is a lock symbol next to the address, the page is protected. By clicking on this lock, you can see the status of the connection, the name of the Certification Authority (CA) that issued the certificate, and its validity period.

There are several dozen commercial and non-commercial organizations in the world that have digital root certificates, but 3/4 of all certificates are issued by only five of the largest companies. Four of them are registered in the USA and one is registered in Belgium.

星期一, 8月 03, 2020

GreatFire 应用生成器 发布

GreatFire (https://en.greatfire.org/) 是一家专注于中国的审查监督组织,我们自豪地宣布一个新的反审查工具,该工具将使任何被屏蔽的媒体、博客、人权组织或民间社会组织反制审查,将其内容得以传播到中国和其他互联网审查国家的数百万读者和支持者的手机上。

GreatFire 已经构建了一个名为“GreatFire 应用生成器”的网页程序,任何组织可以使用它来为中国和其他国家的用户解锁他们的内容。任何人可以访问 (https://appmaker.greatfire.org/),该网站将编译一个带有自己logo的应用,并将包含他们以前被封锁的内容。该应用还将包含一个特殊的、绕过审查的网络浏览器,以便用户可以访问未经审查的网络。这些应用将使用包括机器学习在内的多种策略来规避中国当局先进的审查策略。这个项目在其他有类似中国的审查限制的国家也同样有效。对于组织和最终用户而言,这些应用将免费、快速且非常易于使用。

这个项目的灵感来自于GreatFire自己的应用 自由浏览(https://freebrowser.org/en)的第一手经验,并希望帮助那些可能没有内部专业知识来规避中国审查制度的小型非政府组织。GreatFire的反审查工具在中国发挥了作用,而其他工具却没有。自由浏览可以引导中国的互联网用户从应用的首页进入被僧所内容的导航(http://manyvoices.news/)。

   

人权基金会 (HRF) 已经使用 GreatFire 应用生成器 创建了一个应用程序HRF 在全球范围内促进和保护人权。该组织的使命是确保自由在世界范围内得到维护和促进。 HRF 的网站 在中国被封锁, 但现在中国任何人都可以 下载 HRF Android 应用程序 并访问该网站的信息。

“现在是中国政府防火墙倒塌的时候了,”人权基金会战略顾问王珍妮说。 “与我们在 GreatFire 的朋友一起,我们致力于击败中国的审查制度——在每一部手机。”

GreatFire 应用生成器 的起源可以追溯到 2014 年,当时开放技术基金 (OTF) 支持 GreatFire 的“依附的自由”实验。该项目直接导致了 2015 年中国政府的大规模网络攻击,后来被称为“大炮”。 OTF 还为 GreatFire 开发 AppleCensorship.com,该网站正在跟踪苹果对包括香港在内的全球应用商店的审查情况。

自由浏览 是“大炮”攻击的直接结果,五年后,我们很高兴能够向任何可能遭受中国当局审查的组织提供我们的方法。 

星期五, 7月 24, 2020

Apple, anticompetition, and censorship

On July 20, 2020, GreatFire wrote to all 13 members of the Subcommittee on Antitrust, Commercial and Administrative Law of the U.S. House Committee on the Judiciary, requesting a thorough examination into Apple’s practice of censorship of its App Store, and an investigation into how the company collaborates with the Chinese authorities to maintain its unique position as one of the few foreign tech companies operating profitably in the Chinese digital market.  

This letter was sent a week before Apple CEO TIm Cook will be called for questioning in front of the Subcommittee on Antitrust, Commercial and Administrative Law. The CEOs of Amazon, Google and Facebook will also be questioned on July 27, as part of the Committee’s ongoing investigation into competition in the digital marketplace.

This hearing offers an opportunity to detail to the Subcommittee how Apple uses its closed operating ecosystem to not only abuse its market position but also to deprive certain users, most notably those in China, of their right to download and use apps related to privacy, secure communication, and censorship circumvention.

We hope that U.S. House representatives agree with our view that Apple should not be allowed to do elsewhere what would be considered as unacceptable in the U.S. Chinese citizens are not second class citizens. Private companies such as Apple compromise themselves and their self-proclaimed values of freedom and privacy when they collaborate with the Chinese government and its censors.

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