Mozilla Firefox运行一项名为Default Browser Agent的新服务。它基本上是浏览器发送到与之通信的网络服务器的一串文本。该脚本包含有关当前使用的操作系统、正在运行的浏览器、其渲染引擎和其他重要细节的信息。

Firefox 默认浏览器代理

Firefox在以下位置安装了这个名为 default-browser-agent.exe 的新进程 -

C:\Program Files\Mozilla Firefox\

此过程的主要功能是每 24 小时将遥测数据发送回Mozilla 。现在发现了它的位置，让我们更深入地研究一下这个主题并找出：

1. Firefox 默认浏览器代理^{(Firefox Default Browser Agent)}是如何执行的
2. 如何禁用Firefox 默认浏览器代理^{(Firefox Default Browser Agent)}
3. 如何删除Firefox 默认浏览器代理^{(Firefox Default Browser Agent)}

收集此遥测数据的原因是不同的浏览器通常以不同的方式呈现文本、图像和其他内容。因此，重要的是利用收集的遥测数据来了解默认浏览器趋势，以帮助制造商改进浏览器并正确显示内容。此外^(Besides)，更改用户代理还可以帮助您绕过基于浏览器的限制。

1] Firefox 默认浏览器代理^{(Firefox Default Browser Agent)}是如何^(How)执行的

该脚本通过名为“ Firefox 默认浏览器代理”^{(Firefox Default Browser Agent’ )}的计划任务执行，一旦您安装最新版本的浏览器或通过“设置^(Settings)”更新它，该任务就会激活。激活后，该任务将开始收集与默认浏览器设置、操作系统中配置的区域设置、安装的操作系统版本、您之前的默认浏览器以及当前安装的Firefox版本相关的数据。

这是计划任务的脚本 -

C:\Program Files\Mozilla Firefox\default-browser-agent.exe do-task

该任务还计划每 24 小时运行一次

收集信息后，将执行以下程序 -

C:\Program Files\Mozilla Firefox\pingsender.exe

上述程序会将数据上传到 Firefox 的遥测服务器

https://incoming.telemetry.mozilla.org/submit/default-browser-agent/1/default-browser/[UID]

有些人可能会将此事件视为对隐私的侵犯。因此，浏览器制造商提供了足够的余地来阻止Firefox 默认浏览器代理^{(Firefox Default Browser Agent)}程序发送此类信息。

您可以选择通过浏览器设置和组策略禁用它，或者完全删除Firefox 默认浏览器代理^{(Firefox Default Browser Agent)}。

2]如何^(How)禁用Firefox默认浏览器代理^{(Firefox Default Browser Agent)}

要通过Firefox 的“^{(Firefox ‘)}设置”禁用^(Settings)Firefox中的遥测，

导航到 Firefox 的“菜单^(Menu)”，显示为 3 个水平条，然后从列表中选择“选项”。^(Options)

然后，切换到“隐私和安全^{(Privacy & Security)}”部分并向下滚动到“Firefox 数据收集和使用”^{(‘Firefox Data Collection and Use’)}。

在这里，撤消 “允许 Firefox 向 Mozilla 发送技术和交互数据”^{(‘Allow Firefox to send technical and interaction data to Mozilla’ )}并关闭“设置”。^{(Settings’.)}

此后^(Hereafter)，Firefox将不再发送任何遥测数据，包括默认浏览器信息。

3]如何^(How)删除Firefox默认浏览器代理^{(Firefox Default Browser Agent)}任务

尽管您已禁用默认浏览器代理^{(Default Browser Agent)}发送信息，但它可能会继续每 24 小时执行一次，因此您需要删除此任务。您可以按照以下步骤轻松做到这一点。

在“开始”菜单的^{(Start Menu)}搜索^(Search)栏中，键入“任务”^(‘task’)，然后在出现“任务计划程序”时单击“任务^{(Task Scheduler)}计划^{(Task Schedule)}”结果。

然后，展开“任务计划程序库”^{(Task Scheduler Library’)}菜单。选择“Firefox”以使默认浏览器代理^{(Browser Agent)}计划任务条目可见。

右键单击该条目并选择“删除^(Delete)”选项。

该任务将被完全删除。关闭应用程序。

现在将完全删除计划任务，并且每 24 小时后将不再执行 default-browser-agent.exe 可执行文件。

That’s it!

Remove or disable Firefox Default Browser Agent in Windows 11/10

Mozilla Firefox runs a new service called Default Browser Agent. It’s basically a string of text that the browser sends to the webserver it’s communicating with. The script contains information about the operating system currently in use, the browser running, its rendering engine, and other important details.

Firefox Default Browser Agent

Firefox installs this new process called default-browser-agent.exe at the following location –

C:\Program Files\Mozilla Firefox\

The main function of this process is to send telemetry back to Mozilla every 24 hours. Having discovered its location now, let’s delve a bit deeper into the topic and find out:

1. How is Firefox Default Browser Agent executed
2. How to disable Firefox Default Browser Agent
3. How to remove Firefox Default Browser Agent

The reason cited behind collecting this telemetry data is that different browsers often render text, images, and other content differently. As such, it’s important to leverage the telemetry data collected to understand default browser trends in a way to help makers improve the browser and display content properly. Besides, changing your user agent can also assist you in getting around browser-based restrictions.

1] How is Firefox Default Browser Agent executed

The script is executed via a scheduled task named ‘Firefox Default Browser Agent’ that becomes active as soon as you install the latest version of the browser or update it through ‘Settings‘. Once active, the task will begin to collect data, relevant to the browser set as default, locale configured in the operating system, the versions of the operating system installed, your previous default browser, and the currently installed version of Firefox.

Here’s the script for the scheduled task –

C:\Program Files\Mozilla Firefox\default-browser-agent.exe do-task

The task also gets scheduled to run every 24 hours

When the information is gathered, the following program will be executed –

C:\Program Files\Mozilla Firefox\pingsender.exe

The above program will upload the data to Firefox’s telemetry servers at

https://incoming.telemetry.mozilla.org/submit/default-browser-agent/1/default-browser/[UID]

Some may view this event as a breach of privacy. As such, the makers of the browser offer sufficient leeway to stop the Firefox Default Browser Agent program from sending such information.

You can either choose to disable it through the browser settings and group policies or remove Firefox Default Browser Agent, altogether.

2] How to disable Firefox Default Browser Agent

To disable telemetry in Firefox via Firefox ‘Settings‘,

Navigate to Firefox ‘Menu‘ visible as 3 horizontal bars and select ‘Options‘ from the list.

Then, switch to ‘Privacy & Security‘ section and scroll down to ‘Firefox Data Collection and Use’.

Here, undo ‘Allow Firefox to send technical and interaction data to Mozilla’ and close ‘Settings’.

Hereafter, Firefox will no longer send any telemetry, including the default browser information.

3] How to remove Firefox Default Browser Agent task

Although you have disabled the Default Browser Agent from sending information, it may continue to execute every 24 hours so, you’ll need to remove this task. You can easily do so by following these steps.

Inside the Search bar of Start Menu, type ‘task’ and then click on the ‘Task Schedule‘ result when it shows up to launch ‘Task Scheduler‘.

Then, expand the ‘Task Scheduler Library’ menu. Select ‘Firefox’ to make default Browser Agent scheduled task entry visible.

Right-click the entry and choose ‘Delete‘ option.

The task will be removed completely. Close the application.

The scheduled task will now be removed completely and the default-browser-agent.exe executable will no longer be executed after every 24-hours time lapse.

That’s it!

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