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YARP–Direct forwarding in .NET 6 and beyond

With YARP(Yet-Another-Reverse-Proxy) you can transform your ASP.NET Core application into a reverse proxy.

It offers features like routing, discovery, load balancing, retries,... However in the application I'm building that is a lot more then what I need. I only need the ability to take a specific request and forward it to a specific destination. In that case you can use Direct Forwarding through the IHttpForwarder.

IHttpForwarder supports:

  • Dynamic destination selection, you specify the destination for each request
  • Http client customization, you provide the HttpMessageInvoker
  • Request and response customization (except bodies)
  • Streaming protocols like gRPC and WebSockets
  • Error handling

It does not include:

  • Routing
  • Load balancing
  • Affinity
  • Retries

Direct forwarding in .NET 6 and beyond

You can find an example of Direct Forwarding in the documentation. However this documentation is written for .NET 5 still using the Startup.cs class.

Let me share an example on how to achieve the same thing in .NET 6:

You can find the complete example here: https://github.com/wullemsb/YarpDirectForwarding

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