We are replacing CefSharp control with WebView2 control while doing a feasibility study we observed that l WebView2 makes the following external API calls to the Microsoft domain while cache creation and initialization. When we try to block these calls WebView2 won't load page contents. This would raise a concern as our customers need to open up the firewall for these calls.Ģ. Is there a way to avoid these calls?Īny insights would be greatly appreciated. Windows-wpf your posted links it looks like you are seeing this behavior because of SmartScreen. I found below information from the documents. Microsoft Defender SmartScreen protects users while they browse the Internet by using a reputation check system. Microsoft Edge passes relevant information about the URL or file to the Microsoft Defender SmartScreen service to start the reputation check. The check compares the website or file against dynamic lists of sites and files that are known to be dangerous. All requests to the Microsoft Defender SmartScreen service are made with TLS encryption. The service returns the results of the reputation check, which might lead to Microsoft Edge showing a warning for the site or file. These results are stored locally on the device. Download for Linux (.deb) Linux (.rpm) For all other Edge preview build channels, go to the Microsoft Edge Insider site. Microsoft Edge is now available on Linux. The Microsoft Defender SmartScreen service stores data about reputation checks. Download Microsoft Edge macOS Download for macOS iOS Android Using Windows Server Download Microsoft Edge here. As new sites are identified, the service adds to a dynamic database of known malicious URLs and files. This data is stored on secure Microsoft servers and is only used for Microsoft security services. As an example, the various real-time data and news available in the Widgets are due to this particular process. There are various apps on your system that rely on it, such as Microsoft Teams, and Widgets. This data will never be used to identify or target users in any way. The msedgewebview2.exe (Microsoft Edge WebView2) is an application that helps embed web-based technology in the native applications. Clearing browsing cache clears all locally stored Microsoft Defender SmartScreen URL data.
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