^(DNS)HTTPS上的^(HTTPS)DNS是最好的新互联网协议之一，旨在提高我们在浏览网页时的安全性。它对DNS^(DNS)查找进行加密，并有助于阻止第三方窥探您在网络上的活动。将来，所有受人尊敬的浏览器都可能会默认启用基于 HTTPS^(HTTPS)的DNS，但现在并非如此。如果您使用 Mozilla Firefox并希望通过HTTPS打开DNS，以下是在您的 Windows PC 和 Android 智能手机^{(PC and Android smartphone)}或平板电脑上执行此操作的方法：

注意：^(NOTE:)在本教程中，我们将向您展示如何在Firefox for Windows 和 Android中启用^{(Windows and Android)}DNS over HTTPS。不幸的是，此功能在 iPhone 上尚不可用。此外，如果您不知道什么是基于HTTPS的DNS，请阅读：什么是基于HTTPS的^(HTTPS)DNS或安全 DNS 查找^{(HTTPS or Secure DNS lookups)}？在谷歌浏览器^{(Google Chrome)}中启用它！。

如何在Firefox for Windows中启用^(Windows)基于 HTTPS^(HTTPS)的DNS

在Firefox中启用基于HTTPS的^(HTTPS)DNS比您想象的要容易。在 Windows 10 PC上^{(PC and click)}打开 Firefox^{(Open Firefox)} ，然后单击或点击其菜单按钮^{(menu button)}。您可以在Firefox的右上角找到它。

在菜单中，单击或点击选项^(Options)。

选项选项^(Options)卡已加载。向下滚动^(Scroll)直到最后，您应该会找到一个名为Network Settings的部分。在其中，有一个名为Settings的按钮：单击或点击它。

现在Firefox 会^(Firefox)打开一个名为Connection Settings的^{(Connection Settings)}对话框^{(dialog box)}。要让Firefox 使用^{(Firefox use)}基于HTTPS的DNS，请选中对话框^{(dialog box)}底部的“启用基于 HTTPS 的 DNS”^{("Enable DNS over HTTPS")}设置^(HTTPS)。

Firefox使用Cloudflare进行DNS over HTTPS，这意味着您的DNS查找现在被发送到Cloudflare的DNS服务器，而不是^(DNS)Windows 10或路由器设置的默认DNS服务器。

单击或点击确定^(OK)以保存更改，然后关闭选项选项^(Options)卡。

就是这样！从现在开始，Firefox只进行安全的DNS 查找^{(DNS lookups)}。要检查一切是否正常，您可以访问Cloudflare的浏览体验安全检查^{(Browsing Experience Security Check)}网页。单击或点击“检查我的浏览器”^{("Check My Browser")} 按钮并等待^{(button and wait)}测试完成。

如果安全 DNS^{(Secure DNS)}结果为绿色并告诉您“您正在使用 1.1.1.1 的加密 DNS 传输”，^{("You are using encrypted DNS transport with 1.1.1.1,")}那么通过HTTPS的^(HTTPS)DNS在您的^(DNS)Firefox 浏览器^{(Firefox browser)}中正常工作。

注意：^(NOTE:)虽然浏览器还允许您通过HTTPS提供程序添加自定义^(HTTPS)DNS，但这样做的过程对于普通用户来说太复杂了。另一方面，您应该知道，要让 Firefox^(Firefox)将其他DNS over HTTPS提供商列入其列表，它们必须遵守一套严格的规则，而目前只有Cloudflare这样做，因为两家公司已合作创建DNS over HTTPS 协议^{(HTTPS protocol)}。然而，在2019 年 12 月^{(December 2019)}，Mozilla宣布第二个DNS over HTTPS 提供商^{(HTTPS provider)}将包含在其浏览器中：NextDNS。

如何在Firefox for Android中启用^(Android)基于 HTTPS^(HTTPS)的DNS

您还可以在Firefox for Android中启用^(Android)基于 HTTPS^(HTTPS)的DNS。但是，与Windows不同，Firefox for Android不提供您可以打开或关闭的设置。在Android中，打开Firefox并使用它转到about:config。

在about:config页面上，在右上角的Search字段中键入network.trr.mode 。

您应该看到network.trr.mode设置。默认情况下，其值设置为 0（零）。使用设置右侧的箭头按钮将其值更改为 2（二）。一旦你这样做了，Firefox for Android就会开始使用基于Cloudflare服务器的DNS over HTTPS 。

而已！如果您想检查基于 HTTPS^(HTTPS)的DNS是否在您的Android 智能手机上的^{(Android smartphone)}Firefox中运行，请访问Cloudflare的浏览体验安全检查^{(Browsing Experience Security Check)}网页。单击或点击“检查我的浏览器”^{("Check My Browser")}按钮，等待测试结束，然后检查安全 DNS^{(Secure DNS)}结果是否以绿色突出显示并告诉您“您正在使用 1.1.1.1 的加密 DNS 传输”^{("You are using encrypted DNS transport with 1.1.1.1")}。

虽然这个过程看起来不漂亮，但它完成了工作，而且也不复杂。

您是否^(Did)在Firefox 浏览器^{(Firefox browser)}中启用了基于HTTPS的^(HTTPS)DNS？

除了作为提高在线安全性的绝佳措施外，在Firefox中通过HTTPS启用^(HTTPS)DNS比在其他 Web 浏览器（例如Google Chrome ）中更容易完成。您是否^(Did)在Firefox中启用了基于HTTPS的^(HTTPS)DNS？你为什么这样做，你有没有遇到任何问题？在下面的评论部分让我们知道。

How to enable DNS over HTTPS in Firefox

DNS over HTTPS іs one of the best nеw internet protocols designed to improve oυr securіty when browsing the web. It encryрts DNS lookups and helpѕ in stopping third parties from snooping on your activities on the web. In the future, all the respectable browsers are probably going to enable DNЅ ovеr HTTPS by default, but that iѕ not the case right nоw. If you use Mozilla Firefox and want to turn on DNS over HTTPS, here's how to do it on your Windows PC and Android smartphone or tablet:

NOTE: In this tutorial, we show you how to enable DNS over HTTPS in Firefox for Windows and Android. Unfortunately, this feature is not yet available on iPhones. Also, if you don't know what DNS over HTTPS is, read: What is DNS over HTTPS or Secure DNS lookups? Enable it in Google Chrome!.

How to enable DNS over HTTPS in Firefox for Windows

Enabling DNS over HTTPS in Firefox is easier than you might expect. Open Firefox on your Windows 10 PC and click or tap on its menu button. You can find it in Firefox's top-right corner.

In the menu, click or tap Options.

The Options tab is loaded. Scroll down until the end, where you should find a section called Network Settings. In it, there is a button called Settings: click or tap on it.

Now Firefox opens a dialog box named Connection Settings. To make Firefox use DNS over HTTPS, check the "Enable DNS over HTTPS" setting from the bottom of the dialog box.

Firefox uses Cloudflare for DNS over HTTPS, meaning that your DNS lookups are now sent to Cloudflare's DNS servers instead of the default DNS servers set by Windows 10 or by your router.

Click or tap on OK to save the changes, and close the Options tab.

That was it! From now on, Firefox only makes secure DNS lookups. To check if everything works as it should, you can visit Cloudflare's Browsing Experience Security Check webpage. Click or tap on the "Check My Browser" button and wait for the testing to be done.

If the Secure DNS result is green and tells you that "You are using encrypted DNS transport with 1.1.1.1," then DNS over HTTPS is working correctly in your Firefox browser.

NOTE: Although the browser also allows you to add custom DNS over HTTPS providers, the process of doing so is too complex for regular users. On the other hand, you should know that, for Firefox to include other DNS over HTTPS providers on its list, they must abide by a strict set of rules, and right now only Cloudflare does, as the two companies have worked together on creating the DNS over HTTPS protocol. However, in December 2019, Mozilla announced that a second DNS over HTTPS provider is going to be included in its browser: NextDNS.

How to enable DNS over HTTPS in Firefox for Android

You can also enable DNS over HTTPS in Firefox for Android. However, unlike in Windows, Firefox for Android doesn't offer a setting that you can just turn on or off. In Android, open Firefox and use it to go to about:config.

On the about:config page, type network.trr.mode in the Search field from the top-right corner.

You should see the network.trr.mode setting. By default, its value is set to 0 (zero). Use the arrow buttons on the right side of the setting to change its value to 2 (two). Once you do that, Firefox for Android starts using DNS over HTTPS based on Cloudflare's servers.

That's it! If you want to check if DNS over HTTPS is working in Firefox on your Android smartphone, visit Cloudflare's Browsing Experience Security Check webpage. Click or tap on the "Check My Browser" button, wait for the tests to end, and then check whether the Secure DNS result is highlighted green and tells you that "You are using encrypted DNS transport with 1.1.1.1".

Although the process doesn't look pretty, it gets the job done, and it is not complicated either.

Did you enable DNS over HTTPS in your Firefox browser?

Besides being an excellent measure for improving your online security, turning on DNS over HTTPS in Firefox is easier done than in other web browsers, such as Google Chrome. Did you enable DNS over HTTPS in your Firefox? Why did you do it, and did you encounter any issues? Let us know in the comments section below.

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