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如何打开计算机端口

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共同创作者是 Luigi Oppido

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计算机使用端口与包括互联网在内的各种网络进行交互。端口就好比是计算机进入各种网络的一扇扇门。通过打开或关闭计算机的端口，你可以决定是否允许来自其他位置的数据传输到你的计算机中。在有些情况下，阻止计算机端口可以用于禁止特定程序使用网络，而在另外一些情况下，你可能需要在 Windows 防护墙中手动打开某些端口。不过幸运的是，开启和关闭端口的操作都非常简单！每个应用程序都会使用某些特定的端口，因此你需要花一些时间去了解应用程序需要打开的那些端口。

方法 1

方法 1 的 2:

Windows XP

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1
点击开始，然后选择 网络邻居。
- 如果计算机桌面上有 网络邻居图标，你也可以右击该图标然后选择属性。
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{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/23\/Open-Ports-Step-3.jpg\/v4-460px-Open-Ports-Step-3.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/23\/Open-Ports-Step-3.jpg\/v4-728px-Open-Ports-Step-3.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/c\/ce\/Open-Ports-Step-4.jpg\/v4-460px-Open-Ports-Step-4.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/ce\/Open-Ports-Step-4.jpg\/v4-728px-Open-Ports-Step-4.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}

4
在高级选项卡下点击设置按钮。
- 没有找到设置按钮？这意味着网络连接防火墙（ICP）已被禁用，从而所有的端口都已经被打开。
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在描述栏中输入简短明晰的标识，例如“打开（游戏名称）端口”。
{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/d\/d1\/Open-Ports-Step-6.jpg\/v4-460px-Open-Ports-Step-6.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/d1\/Open-Ports-Step-6.jpg\/v4-728px-Open-Ports-Step-6.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
7

将所需端口的 外部端口和 内部端口全部打开。
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你需要根据应用程序的需要选择打开合适的端口类型。

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方法 2

方法 2 的 2:

Windows 7

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{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/4\/4e\/Open-Ports-Step-11.jpg\/v4-460px-Open-Ports-Step-11.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4e\/Open-Ports-Step-11.jpg\/v4-728px-Open-Ports-Step-11.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/83\/Open-Ports-Step-12.jpg\/v4-460px-Open-Ports-Step-12.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/83\/Open-Ports-Step-12.jpg\/v4-728px-Open-Ports-Step-12.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/76\/Open-Ports-Step-13.jpg\/v4-460px-Open-Ports-Step-13.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/76\/Open-Ports-Step-13.jpg\/v4-728px-Open-Ports-Step-13.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}
{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/5\/54\/Open-Ports-Step-14.jpg\/v4-460px-Open-Ports-Step-14.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/54\/Open-Ports-Step-14.jpg\/v4-728px-Open-Ports-Step-14.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}

然后点击 下一步。
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你需要根据应用程序的需要选择打开合适的端口类型。选择 特定本地端口，然后输入希望打开的端口号。点击 下一步.
{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/8\/8d\/Open-Ports-Step-16.jpg\/v4-460px-Open-Ports-Step-16.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/8d\/Open-Ports-Step-16.jpg\/v4-728px-Open-Ports-Step-16.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}

然后点击 下一步。
{"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/1\/1f\/Open-Ports-Step-17.jpg\/v4-460px-Open-Ports-Step-17.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/1\/1f\/Open-Ports-Step-17.jpg\/v4-728px-Open-Ports-Step-17.jpg","smallWidth":460,"smallHeight":337,"bigWidth":728,"bigHeight":534,"licensing":"<div class=\"mw-parser-output\"><\/div>"}

点击 下一步。
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你还可以在可选填的描述栏中输入内容。点击完成。

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小提示

根据经验，大部分应用程序使用 TCP 端口。一些对时间敏感的程序可能会使用 UDP 或 TCP 端口，例如多人在线游戏。

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警告

打开端口需要小心。如果打开的端口有误，你可能会影响到计算机的安全性，使其易于受到病毒或黑客攻击。

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