曾经有许多人怀疑谷歌为了增加CN的流量而强制用户输入GOOGLE.COM自动转到CN。
谷歌中国曾经官方表示过没有强制用户由COM转到CN,但对于GFW和电信DNS拦截的手脚,她也没有再解释了。
最近,许多各地的电信运行商也通过DNS拦截在网页中插入广告,于是我就把DNS服务器修改为OpenDNS,从根本上解决了DNS拦截问题,输入GOOGLE.COM也不会转向GOOGLE.CN了
OpenDNS是什么?
OpenDNS主页 http://www.opendns.com/
OpenDNS不是一个软件,其实它只是个IP地址而已。它的服务器地址为 208.67.222.222 或 208.67.220.220。你只要修改一下你的DNS就可以使用它了。OpenDNS真的很不简单。通过她你可以:
解决DNS拦截,从此不会再有电信因DNS拦截而插入的广告。(例如绿色上网,互联星空什么的)
更安全,在访问钓鱼网站或者成人站点时候能给用户发出警告提示。Firefox/IE7的反钓鱼功能,都没有她来的直接好用。
更快,OpenDNS拥有最大的DNS缓存。
更聪明,例如你不小心输入yahoo.cmo,你会自动进入yahoo.com
更稳定,OpenDNS的网络连接到了世界上的许多城市和不同的网络,更加稳定。曾经有一次,我本地的DNS就瘫痪了,无法浏览网页,也是靠它解决的。
如果你是本地网络的管理员(例如学校、网吧什么的),你还可以通过它屏蔽指定网站,创建快捷方式(例如输入abc自动转到163.com什么的)
如何修改DNS?
首先进入控制面板->网络连接。然后
1)如果你是通过猫自动拨号或者是局域网:
在 本地连接 上点鼠标右键,选择属性。
双击 Internet 协议(TCP/IP),然后参照着图片进行设置。
2)如果你是设置的手动拨号:
对着你的网络连接点鼠标右键,选择属性,再点击 网络 选项卡
同样双击 Internet 协议(TCP/IP),然后参照着图片进行设置。
判断OpenDNS设置是否正确?
很简单,比如输入 yahoo.cmo,看看能不能打开yahoo.com就知道了
输入google.com自动转向为google.cn的,应该是没有正确设置DNS。
6/28/2008
OpenDNS(解决电信DNS拦截问题)
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