了解防火墙是一项艰巨的工作。防火墙^(Firewall)是一种软件，它充当您和Internet之间的一堵墙，并调节其他应用程序的 Internet 权限。Windows 带有内置防火墙系统，可以保护您免受可疑程序的侵害。此外，您可以手动将某些应用程序添加到防火墙豁免或永久阻止某些应用程序访问网络。这篇文章讨论了一个名为OneClickFirewall for Windows PC的小实用程序，它可以让您立即阻止和取消阻止来自网络的应用程序。

适用于 Windows 11/10 的 OneClickFirewall

OneClickFirewall 是一个可以免费下载的小工具。该工具基本上没有 UI^{(no UI)}，只能通过上下文菜单^{(context menu)}进行操作。下载并安装应用程序后，只要右键单击可执行文件，您就会注意到两个新条目。

添加到右键单击上下文菜单中的两个新项目是“阻止 Internet 访问^{(Block Internet Access)}”和“恢复 Internet 访问^{(Restore Internet Access)}”。您只需右键单击“exe”文件并选择相关选项即可允许或阻止应用程序访问 Internet。

小小的应用程序使任务变得更加容易。您一直希望某些应用程序不应该访问互联网。现在您需要做的就是找到应用程序的“exe”文件（通常在程序文件夹中），右键单击它并选择“阻止 Internet 访问”，您就完成了。恢复访问就像阻止一样简单。

^(Block)通过上下文菜单^{(Context Menu)}阻止或允许Internet访问^(Internet)

出于测试目的，我尝试撤销Google Chrome^{(Google Chrome)}上的互联网权限。我刚刚在Program Files中找到了“chrome.exe”文件并阻止了它的互联网访问。结果和预期的一样。除Chrome^(Chrome)之外的所有其他应用程序都可以照常访问互联网，Chrome会显示错误。

这个程序是如何运行的

您可能会认为该程序是在Windows 防火墙之上运行的独立防火墙程序。为了明确这一点，OneClickFirewall不是一个单独的防火墙程序。相反，它使用内置的 Windows 防火墙^{(uses the built-in Windows Firewall)}来阻止应用程序访问互联网。

该程序的基本作用是在 Windows 防火墙中创建一个新的出站规则^{(it creates a new outbound rule in Windows Firewall)}。该规则包含被阻止的文件的路径以及有助于该规则的其他相关详细信息。

您可以按照以下简单步骤手动检查此规则：

1. 转到开始^(Start)并搜索“Windows 防火墙”。
2. 打开^(Open)防火墙设置并转到“高级设置”。
3. 现在从左侧菜单中打开“出站规则”并找到由OneClickFirewall创建的规则。

OneClickFirewall 是一个很棒的小工具。它确实可以节省时间并且做得很好。如果可以提供一个简单的 UI，我们会更喜欢这个工具。用户界面可以更轻松地向阻止列表添加和删除程序，而不是查找“exe”文件。此外，应在下一次更新（如果有）中考虑临时禁用程序或维护配置文件的选项。否则，该工具可以完美地工作并按照它所说的那样工作。

单击此处^(here)(here)下载 OneClickFirewall。

OneClickFirewall: Block or allow Internet access via Context Menu

Understanding Firewalls have been a tough job. A Firewall is that piece of software that acts as a wall between you and the Internet and regulates the internet permissions of other applications. Windows come with a built-in firewall system that can protect you from suspicious programs. Also, you can manually add some applications to the firewall exemptions or permanently block some applications from accessing the network. This post talks about a small utility called OneClickFirewall for Windows PC that lets you block and unblock applications from the network instantaneously.

OneClickFirewall for Windows 11/10

OneClickFirewall is a small tool available to download for free. The tool has essentially no UI and operates only from the context menu. Once you’ve downloaded and installed the application, you will notice two new entries whenever you right-click an executable file.

The two new items added to the right-click context menu are ‘Block Internet Access’ and ‘Restore Internet Access’. You can simply right-click an “exe” file and select a relevant option to allow or block an application from accessing the internet.

The tiny little application makes the task a lot easier. There’ve always been some applications you’ve wanted that they should not access the internet. Now all you need to do is locate the application’s ‘exe’ file (usually in the program folder), right-click it and select ‘Block Internet Access’ and you are done. Restoring access is as simple as blocking is.

Block or allow Internet access via Context Menu

For testing purpose, I tried revoking internet permissions on Google Chrome. I just located the ‘chrome.exe’ file in Program Files and blocked its internet access. And the results were as expected. All other applications except Chrome could access the internet as usual and Chrome would show an error.

How does the program work

You might be thinking that the program is a separate firewall program running on top of Windows Firewall. To make this clear, OneClickFirewall is not a separate firewall program. Rather it uses the built-in Windows Firewall to block applications from accessing the internet.

What the program basically does is that it creates a new outbound rule in Windows Firewall. The rule contains the path to the file that is blocked and other relevant details that facilitate the rule.

You can manually check out this rule by following these simple steps:

1. Go to Start and search for ‘Windows Firewall’.
2. Open firewall settings and go to ‘Advanced Settings’.
3. Now open ‘Outbound Rules’ from the left menu and locate the rule created by OneClickFirewall.

OneClickFirewall is a great little tool. It is indeed a time saver and does its job pretty well. We would have loved the tool more if a simple UI could have been provided. The UI would have made it easier to add and remove programs to the block list rather than locating ‘exe’ files. Also, an option to temporarily disable the program or maintain profiles should be considered in the next updates (if any). Otherwise, the tool works flawlessly well and does what it says.

Click here to download OneClickFirewall.

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