服务器连接路由器不能上网 _「问人人知识网」

不知道你们有没有遇到服务器有网络连接但是不能上网，网页打不开的情况呢？我遇到过，通过排查后，修改了DNS就可以连接上网络了，今天我给你们分享一个DNS设置方法，希望可以帮助到你
打开“运行”对话框，输入命令“CMD”进入MSDOS界面。

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在MSDOS界面中输入命令“ipconfig /all” ，在显示的面中可以查看到本地网关和DNS信息。

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打开“控制面板”，双击“网络和共享中心”

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然后点击“本地连接”，选择“属性”,选择“Internet协议版本4（TCP/IPv4）”，点击“属性” ，手动设置DNS，为当前连接设置DNS 。设置完后成，再次检查能否正常上网。

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如果设置DNS后还是无法上网，可能是网络防火墙设置不当，如安全等级过高、不小心把IE等浏览器放进了阻止访问列表、错误的防火墙策略等，可以尝试检查防火墙策略、降低防火墙安全等级或直接关掉试试是否恢复正常。
杭州高防护段（TCP_SYN,ACK,RST）展示：
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