占中网战 看不见的暴力

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阿蔼

香港占中运动与北京政府的角力,不单在街头,也在网络。只是看不见的暴力,未见有主流媒体报导,尽管主要的公民媒体及撑占中平台都被攻至几近离线。

自9月27日,学生占领政府总部的公民广场行动后,香​​港几个独立经营、支持民主的网站,包括《热血时报》、《852邮报》、《破折号》及《香港独立媒体网》都受到黑客疯狂的攻击,变得非常不稳定,甚至出现长时间离线的情况,此外“和平占中”的官方网站亦被攻击至离线。

同时,黑客组织“匿名者亚洲”,为报复香港警察暴力镇压和平示威者,也于9月30日起,发动攻击香港政府及建制阵营多个网站

网络战争,对于操控主流媒体的建制,可谓丝毫无损,但对于小本经营的网络媒体,在如此重要的时刻,尤如火烧后栏,严重干扰了占中运动的资讯发放,使运动方向及策略的共识更难建立。

这次黑客对网络媒体的攻击可谓全方位​​,除伺服器外,也针对数据系统中特定的内容和域名( Domain Name) 全面进迫。

过去一星期,“香港独立媒体网”受到前所未有的攻击。 27日,网站延迟的情况加剧,经常离线,编辑不能正常贴文,改于Facebook 贴全文。翌日一早,临时组成了技术小组,搬伺服器,又以Cloudflare 保护DNS,暂时解决了透过查询(html requests)的攻击。

不过,攻击的规模随着占中运动的升温,以及“匿名者亚洲”向香港建制派与警察的宣战,越来越激裂。 10月3日,网站每秒录得60MB/s的查询,据Google pagespeed 的显示,进出的频宽(Bandwidth)达120亿(12B),较平常5亿(500M)超出24倍,要临时增加记忆体(RAM),以加强处理器(CPU)的速度。

10月4日,出现来自本地IP(111.68.15.122)的攻击,直至10月6日早上,共发出了近230万个查询。另外,DNS查询每小时达1千万次(10M),回应须时达461微秒(milisecond),要把DNS寄存服务升级,并主动联络Cloudflare 处理DNS 查询延误(DNS inquery latency)的问题。此外,有些攻击针对数据分类系统,譬如说“社运”分类的造访被阻​​截,一度看不到相关文章。网站的进出频宽进一步急升至400亿(40B),是被攻击前的80倍。

10月5日,攻击来自四面八方,包括来自中国大陆、南韩、越南等。此外,黑客又变阵,攻击网站内容管理系统的外挂应用工具(Web application),令网站变很不稳定。最新10月6日的情况是,黑客改用超文本传输​​协定泛流(http flood)的方法攻击伺服器。这是最新的DDoS 攻击方法,让防御系统难以分辨造访是正常的浏览,还是恶意攻击。

自27日以来,技术团队每天都要监察网站的状况,对证下药才能挡住黑客的攻击。

这场网战,虽然全港几个独立新闻以及占中运动平台被攻至离线,明显具有政治意图,目的是破坏占中这场运动的资讯传递,然而,主流媒体见眼公民网站一一被攻陷,却完全没有查询与报导。使人担心针对公民社会的黑客暴力,变成日常,此等态度其实很恐怖。

另一边厢,“匿名者亚洲”针对建制和政府的攻击,虽然曾一度使民建联网站离线,但这些攻击根本对占中运动没有半点帮助,反而政府新闻网被攻击至拖慢的新闻,成为了电视新闻报导的主菜,变成了占中对政府构成的“伤害”助证。 “匿名者亚洲”的攻击持续了三天,10月6日凌晨,警方的商业罪案调查科于全港四个地点,拘捕了三男两女,或会控以不诚实使用电脑的罪名。

建制能动用公共资源及警力去对抗入侵者,公民媒体却要自己找资源顽抗庞大的黑客袭击,面对国家级的暴力,能够顶硬上,因​​为大家明白到独立的言论平台是自由社会必不可少的元素,技术团队日以继夜地急救网站,希望大家也能多多支持我们的工作。


本文经授权转载自香港独立媒体网

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