标题: 不用VPN也能翻墙的办法 A Way Around the Great Firewall [打印本页] 作者: 老上 时间: 2012-11-29 21:28 标题: 不用VPN也能翻墙的办法 A Way Around the Great Firewall 不用VPN也能翻墙的办法 A Way Around the Great Firewall
绕过中国网络内容过滤的重要方法，虚拟专用网络(VPN)最近受到了中国政府的打击。在本月早些时候召开十八大期间，许多VPN被禁，最近，中国数字时代(China Digital Times)网站的一篇报道指出，有些在办公网络使用VPN的中国人似乎收到了书面警告，要求VPN只能用于工作目的。
但是，一些聪明的中国互联网用户找到了一种不用VPN也能翻墙的办法。只需使用一点电脑知识──主要是复制和粘贴一些文本，用户就可以登陆被中国的网络防火墙屏蔽的Facebook、YouTube和一系列其他外国网站。
由于用户可以通过各种方法得到这些地址，因此我们不可能追踪到有多少互联网用户正在使用这种方法翻墙，不过，这确实能显示出中国互联网用户对翻墙持续不断的渴望，同时也表明，对于那些拥有好奇心和一点窍门的人来说，这个墙其实也不怎么难翻。
A key method for circumventing China’s Internet filters, virtual private networks have come into the crosshairs of the government lately. During the 18th Party Congress earlier this month many faced blockages and more recently China Digital Times has reported on what appear to be written warnings to Chinese who have access to VPNs on their office networks to use the services for work purposes only.
But a number of savvy Chinese Internet users have found a way to escape their fetters without a VPN. Using a little bit of computer knowledge basically copying and pasting a chunk of text from one file to another ─ users can get around the China’s Facebook, YouTube and a host of other foreign sites blocked by China’s “Great Firewall.”
Here’ how it works: Most computers, running both Windows and OS X (and smartphones running Android), contain a host file, which is a document with a list of Internet Protocol addresses (the back-end address accessed by a computer when a website name is typed into a web browser’s search bar). Copying and pasting new addresses into that file allows a computer to directly access particular websites. As a result, updating the list to include recent IP addresses for websites like Facebook, and then entering those sites’ addresses into a browser with a secure “https://” in place of “http://” in front of the address will allow users to get onto many blocked Western sites, and without the slower speeds and fees associated with most VPNs.
How popular is this workaround? A search on Baidu in Chinese for “host file Facebook” turns up 434,000 hits, with the first page primarily containing explanations of how to get on Facebook and other sites by altering the host file. Various groups share lists of addresses on microblogs, over instant messaging, and on websites, according to Felix Hsu, a member of one such group, which keeps up a website that provides current addresses. There are also applications for Android which streamline the process.
Mr. Hsu said that they started helping to provide the service in October 2011 because “lots of netizens are eager to get to know what’s happening behind the wall, but it’s not easy for them.”
He pointed out that the addresses change, or get blocked, so he and his friend update the addresses as often as needed to keep the codes up-to-date and usable. Metrics he provided for his website show a jump in users in early November, right around the time Chinese authorities appeared to clamp down hard on access to Google.
Given the disparate means of disseminating the addresses, it is impossible to track just how many Chinese Internet users make use of the method to get around the great firewall, but it does show the continuing desire of China’s Internet users to jump the wall, and also how short that wall is for those with curiosity and a bit of know-how.