dotnet/Documentation/breaking-changes/httprequest_contentencoding-property-prohibits-utf7.md

43: HttpRequest.ContentEncoding property prohibits UTF7

Scope

Edge

Version Introduced

4.5

Source Analyzer Status

Available

Change Description

Beginning in .NET Framework 4.5, UTF-7 encoding is prohibited in HttpRequests' bodies. Data for applications that depend on incoming UTF-7 data will not decode properly in some cases.

• Quirked
• Build-time break

Recommended Action

Ideally, applications should be updated to not use UTF-7 encoding in HttpRequests. Alternatively, legacy behavior can be restored by using the aspnet:AllowUtf7RequestContentEncoding attribute of the appSettings element.

Affected APIs

• P:System.Web.HttpRequest.ContentEncoding

Category

ASP.NET

More information