To prevent this kind of tampering attack, the __VIEWSTATE field is protected by a message authentication code (MAC). ASP.NET validates the MAC that is submitted together with the __VIEWSTATE payload when a postback occurs. The key that is used to calculate the MAC is specified in the application's element in the Web.config file.

Note Turning off the See ads that interest you setting on the Microsoft privacy dashboard does not turn off the collection and use of your browsing activity for personalization of search results, content in your news feed, or other Microsoft web experiences. To turn off this collection and use of your Microsoft Edge browsing activity:

检查 XBOX 服务、游戏和应用是否有任何服务中断。

Ontdek hoe je de XBOX-console kunt configureren om discs en de Blu-ray-speler te bedienen.

追加情報 ASP.NET で従来の暗号化モードを構成する方法の詳細については、以下のサポート技術情報番号をクリックしてください。 2425938 ASP.NET で従来の暗号化モードを構成する方法 既知の問題およびこのセキュリティ更新プログラムの関連情報

When you install this Microsoft.NET Framework 4.7 package, you can see following packages or updates that are installed per operating system: On Windows 7 SP1 and Windows Server 2008 R2 SP1, it's listed as an installed product under the Programs and Features item in Control Panel.

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