Fetch Metadata Articles

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8/4/2026 • EN

Automatic CSRF protection based on Fetch Metadata headers

Explores new automatic CSRF protection in ASP.NET Core .NET 11 preview 6 using Fetch Metadata headers, comparing to traditional token-based approaches.

Aspnet Core Csrf Dotnet Fetch Metadata Security Headers

Andrew Lock

7/29/2026 • EN

Understanding the Fetch Metadata HTTP headers: Sec-Fetch-Site and friends

Explains the Fetch Metadata HTTP headers (Sec-Fetch-Site, etc.) and how they help servers understand request context for security.

Fetch Metadata http headers Sec Fetch Dest Sec Fetch Site web security

Andrew Lock

Fetch Metadata Articles

Automatic CSRF protection based on Fetch Metadata headers

Understanding the Fetch Metadata HTTP headers: Sec-Fetch-Site and friends

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