单击^(Click)一个网页，您会发现您的浏览器正在寻求发送通知或访问您的相机和麦克风的权限。这可能会很麻烦，因为我们中的许多人不喜欢不需要的建议。此外，即使相关站点未打开，该操作也会验证站点是否将通知推送到浏览器。Mozilla  Firefox、Google Chrome和其他流行的浏览器均采用此策略，但如果您不喜欢它，以下是阻止它们的方法。

让 Firefox^{(Make Firefox)}阻止通知^{(Notifications)}、麦克风^(Microphone)、相机^(Camera)请求

相当多的用户不需要来自网站的通知来保持更新，因此不使用需要访问计算机摄像头或麦克风的服务。使用about:config在浏览器中修改首选项。

打开设置并将dom.webnotifications.enabled设置为 false。

类似地，要在Firefox^(Firefox)中禁用网络摄像头或麦克风：将media.navigator.enabled和media.peerconnection.enabled设置设置为 false，对于 geo.enabled 设置相同以禁用^{(geo.enabled)}Firefox中的位置提示。

此外，如果您使用的是最新版本的Firefox浏览器，您可以通过浏览器 UI 阻止通知、麦克风、摄像头和位置请求。为了这，

在浏览器的地址栏中加载about:preferences#privacy并向下滚动到“权限”部分。

在那里，点击位置^(Location)、相机^(Camera)、麦克风^(Microphone)或通知^{(Notifications)}的“设置”按钮，然后在显示的权限框下，选中“阻止新请求”框。

最后，单击保存更改^{(Save changes)}。

确认后的操作将配置浏览器以阻止该网站可能显示的提示。其他网站将继续像以前一样运行。

虽然这对于单个网站来说似乎不是问题，但如果有多个网站实施相同的策略，它确实会打扰用户。在这种情况下，用户会收到更多允许通知的提示，这可能很烦人。他们中的大多数人更喜欢仅来自选定站点的通知。

麦克风、摄像头和位置偏好的情况有所改变。这些是特定功能所必需的。

Block Notifications, Microphone, Camera requests in Firefox browser

Click a webpage, and you will find yоur browѕer seeking permissions for sending notifіcatiоns or аccessing your camera and mіcrophone. This can be quite bothering as many of us do not prefer unwanted suggeѕtions. Also, the action validates sites to push notifications to the browser even if the site in question is not open. Mozilla Firefox, Google Chrome, and other popular browser feature this policy but if you do not like it, here’s how to block them.

Make Firefox block Notifications, Microphone, Camera requests

Quite a few users do not require notifications from websites to stay updated and as such not use services that require access to a computer’s camera or microphone. Use about: config to modify a preference in the browser.

Open the setting and set dom.webnotifications.enabled to false.

Similarly, to disable webcam or microphone in Firefox: set media.navigator.enabled and media.peerconnection.enabled setting to false and the same for geo.enabled to disable location prompts in Firefox.

Also, if you are using the latest version of the Firefox browser, you can block notification, microphone, camera and location requests via the browser UI. For this,

Load about:preferences#privacy in the browser’s address bar and scroll down to the “Permissions” section.

There, hit the ‘Settings’ button of Location, Camera, Microphone or Notifications and under the permissions box displayed, check the “Block new requests” box.

Finally, click Save changes.

The action when confirmed will configure the browser to block prompts that website might display otherwise. Other websites will continue to function as earlier.

While this does not appear to be a problem for a single website, it does disturb a user if there are multiple sites implementing the same policy. In such a case, the user receives more prompts to allow notifications, and that can be annoying. Most of them would prefer notifications from select sites only.

The situation is a somewhat changed for microphone, camera and location preferences. These are required for specific functionality.

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