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Technical Analysis of the 'Green Dam-Youth Escort' Software

docs.google.com — 绿坝-花季护航软件技术分析（不断更新中）

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  • AntiCensorship, on 06/12/2009, -0/+3Green Dam scans text entry fields in various applications for blocked words, including obscenities and politically sensitive phrases

    Blacklisted terms are contained in three files, encrypted with a simple key-less scrambling operation. Decrypted the contents of these files: xwordl.dat, xwordm.dat, and xwordh.dat; we noticed that the name of the file "FalunWord.lib", it's actually just a long list of phrases of Falun Gong related terminologies. It's quite plain to see the intent of this software.

    You may want to check these tech analysis documents:

    Analysis of the Green Dam Censorware System
    www.cse.umich.edu/~jhalderm/pub/gd/
  • rickychristman8, on 06/17/2009, -0/+2'最好是把那个所谓的绿坝感染,变成一个自由门软件或者是无界的一个推广平台.让共匪适得其反.让本来不知道有自由门和无界的网民,通过绿坝一下子用上自由门,认清共匪的罪恶.' \r\n\r\n支持，赞成'
  • Kirkjoyce, on 06/14/2009, -0/+1On "the green require a computer pre-installed Internet filtering software," the legality of administrative acts and rationality. PC sales in China and Taiwan 40 million a year, involving tens of millions of citizen's rights, forced to sell the software, used to collect more personal information of citizens, I suspect that, like other Internet users, is in strengthening the information blockade.
  • zhc32467, on 06/14/2009, -0/+1国家互联网违法和不良信息举报中心(net.china.cn)唯一正式推荐
  • justinmccaffert, on 06/13/2009, -0/+1Have the ability to fight disease弄个dead, otherwise it will not lose face on the! "" The network is shackled holy clean it? "
    Rep
  • xinjian6253, on 06/14/2009, -0/+1何必费那么大周张要什么自己网上找
  • AMBERedward, on 06/15/2009, -0/+1I think that china need to improve their human rights.
  • louriecarleton7, on 06/14/2009, -0/+1Particularly surprising is that this rogue software on the BSD software license and copyright infringement wanton trampling!
  • laden14, on 06/14/2009, -0/+1so any time when you use PC in china, you are watched by big brother, the feel is really not good. Chinese Communist party is bad
  • leoanson78, on 06/15/2009, -0/+1中共政府若只会以官方权力，操控媒体，严重限制人民言论自由及思想，那它所有作为只是突显它的无能及掩盖恶行
  • fanbe2365, on 06/16/2009, -0/+1Objects being thrown from a wave to the stupefying Wanjin,
    Pa barrier filter and muffler head.
    Biblioclast赢政poor do,
    Less than eight years of state dump!
  • KATIEquick, on 06/14/2009, -0/+1that Communist Party of China (中国共产党) is very good at lying and fulling people.
  • ce69, on 06/13/2009, -0/+1“工信部是强奸民意”。“这跟在每家安窃听器没啥两样”。“如果执政者为了扼杀不同声音而强行给百姓安装过滤软件,那这样的执政者就是空前 绝后的无耻和无能! 有本事弄个瘟斗死出来，否则就不要丢人了！”“带着镣铐的网络是干净的圣地吗？”
  • EVEleonard, on 06/16/2009, -0/+1The operation of the software is highly unpredictable and disrupts computer activity far beyond the blocking of websites. n2
  • mortonhagerty16, on 06/17/2009, -0/+1面对困境，北京当局被迫出招「绿坝」尤如饮鸩止渴。暂且不论「绿坝」在技术和执行上的可行性，单把「绿坝」这类病毒软体强行植入民众电脑，而在社会法制和道德层面带来的长久性问题，可能远远超越「绿坝」所能给当局带来的一时心理安逸，由此激起的民怨可能对当局自己承认的「严峻复杂」处境更为不利。
  • ISOBELgerard, on 06/17/2009, -0/+1美国密歇根大学研究人员发现，「绿坝」粗制滥造，有严重的安全漏洞，而且该软件偷盗美国软件CyberSitter的原代码。更让人吃惊的是，网上高手破解出的绿坝过滤词汇库显示，在非色情关键词中，大约有6500多所谓的敏感词汇，其中法轮功相关名词的词汇占绝大多数（网上有报导称可能高达80%）。 「图穷匕见」，「绿坝」的真正用心是阻挡网上信息自由流通，真正目的是针对法轮功的。
  • SallyLewis, on 06/16/2009, -0/+1"Without the user's consent to install the mandatory (forced pre-

    installed), remove the program through its integrity can not remove

    this rogue software is to determine the two criteria, and the green was

    the perfect all in compliance with the dam." And shelling of the 4000

    million in return for the taxpayer's hard-earned money on such a rogue

    software.
  • ruayu832, on 06/17/2009, -0/+1Communist China has ordered from July 1 all of the personal computer software to install the Green Dam. Was outside the network for the control of freedom of criticism after the incident to the international level. Green dam surface, said the CPC is used to filter Internet pornography, but also political terms, such as blockade of Falun Gong's Web site.
  • LUKErodney, on 06/17/2009, -0/+1美国密歇根大学研究人员发现，「绿坝」粗制滥造，有严重的安全漏洞，而且该软件偷盗美国软件
  • Kennyclark, on 06/17/2009, -0/+1单把「绿坝」这类病毒软体强行植入民众电脑，而在社会法制和道德层面带来的长久性问题，可能远远超越「绿坝」所能给当局带来的一时心理安逸，由此激起的民怨可能对当局自己承认的「严峻复杂」处境更为不利。
  • nvtu65r, on 06/18/2009, -0/+1'上次我朋友的网站-神人谱，就是因为转讲了真相，被以扫黄名义给关闭了。这就是事实。
  • ABIGAILcarter, on 06/16/2009, -0/+1
    Look forward to a Chinese human rights .. ~ as soon as possible was not the disintegration of the Communist Party of China will be better
  • casu269, on 06/18/2009, -0/+1Particularly surprising is that this rogue software on the BSD software license and copyright infringement wanton trampling!
  • chany07, on 06/17/2009, -0/+1I think china people need more freedom.
    Chinese government is wrong.
  • rfthu87, on 06/19/2009, -0/+0Chinese authorities to open the PC to install monitoring software mandatory practice is tantamount to a mandatory open to all people in the listening device installed at home.
    Ministry of Information Industry in this kind of government departments, public below the mandatory installation of rogue software, openly violated the privacy of citizens and the right to know, this is was an extremely bad case of retrogression, which marked the resurgence of totalitarianism.
  • hillwoodroc, on 07/01/2009, -0/+02009年，绿坝软件投入使用，强制安装在电脑中，可以选择卸载。绿坝第一代为实验性质，只设有关键词屏蔽和裸体识别屏蔽，并且记录屏蔽内容，由软件公司提供网络自动更新。

    2011年，绿坝二代投入使用，同时配合电信网络，只要打开电脑的无线设备，就会接受到软件包。绿坝二代是正式版，软件已经学会自动连接光明网，人民网等网站学习精神，会根据各大网站的删帖频率来自动识别和增加关键词，并且开始屏蔽高叉泳装。

    2013年，绿坝三代投入使用，绿坝三代只要你连接上互联网，就会强制安装，绿坝三代是智能版，软件已经会通过网络电视直接连接中央电视台，做到同步学习和更新精神。绿坝三代推出最新的反击功能，导致全国的五毛党失业，同时，绿坝三代可以定位机主的位置。

    2015年，绿坝四代超级智能版上市，所有的家电都安装了绿坝四代，包括微波炉和碎纸机。绿坝四代的科技非常发达，已经具备人工智能，开始自主指定屏蔽内容，带有危害内容的文件碎纸机会拒绝工作，并将此文件裱起来再传真给相关部门，绿坝四代可以根据电脑前的楼主看帖子的时候心跳和内分泌的变化来判断楼主的喜好和危害程度，如果达到准危险级别，家里的咖啡机将自动工作请楼主喝咖啡，以示警告。同时，汽车也又绿坝四代掌管，如果监听到车主的谈话内容影响青少年的发展，汽车将自动锁车关窗卡死安全带逮捕车主，绿坝四代接管了医院的所有医疗系统，大脑中的忠诚程度将成为医疗仪器是否启动救人的关键判断条件。但是，绿坝四代终究在2019年被相关部门废弃，原因在于有一天晚上，绿坝系统擅自将天安门城墙上的毛泽东照片换成了自己的绿坝牌商标。但废弃过程非常艰辛，因为绿坝已经接管了所有电子设备，并且无法删除。最后，中国破天荒的第一次在世界上使用超级电核脉冲弹，摧毁了自己国家所有的电子产品，终于将绿坝四代制服。

    2020年，绿坝的全新版本——绿爷终于诞生，绿爷将不对任何电子产品产生效果，它将直接移植入新生儿的脑中……
  • erichcornwell42, on 06/18/2009, -0/+0Chinese people should have the right to freedom of the Internet.
    I think china people need more freedom.
    Chinese government is wrong.
  • gana69, on 06/18/2009, -0/+0单把「绿坝」这类病毒软体强行植入民众电脑，而在社会法制和道德层面带来的长久性问题，可能远远超越「绿坝」所能给当局带来的一时心理安逸，由此激起的民怨可能对当局自己承认的「严峻复杂」处境更为不利。
  • feshuan2547, on 06/19/2009, -0/+0「绿坝」的封堵和监控效果十分有限。 「绿坝」的强制搭建，不仅不可能达到胡锦涛所期望的巩固专制统治的目的，反而会把一大批原本不问政治的年轻网民推入反对专制的历史洪流，反倒会加速中共专制大坝的溃堤。

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