Fix moniker range usage to avoid duplicate H2 headers

Co-authored-by: tdykstra <[email protected]>

Author: Copilot

aspnetcore/fundamentals/servers/kestrel.md

@@ -14,7 +14,7 @@ uid: fundamentals/servers/kestrel
 
 By [Tom Dykstra](https://github.com/tdykstra), [Chris Ross](https://github.com/Tratcher), and [Stephen Halter](https://twitter.com/halter73)
 
-:::moniker range=">= aspnetcore-10.0"
+:::moniker range=">= aspnetcore-8.0"
 
 Kestrel is a cross-platform [web server for ASP.NET Core](xref:fundamentals/servers/index). Kestrel is the recommended server for ASP.NET Core, and it's configured by default in ASP.NET Core project templates.
 
@@ -33,55 +33,16 @@ Kestrel's features include:
   * Building a reverse proxy with [YARP](https://github.com/microsoft/reverse-proxy).
 * **Extensibility:** Customize Kestrel through configuration, middleware, and custom transports.
 * **Performance diagnostics:** Kestrel provides built-in performance diagnostics features, such as logging and metrics.
-* **Memory management:** Kestrel includes features for efficient memory management. For more information, see <xref:fundamentals/servers/kestrel/memory-management>.
-
-## Get started
-
-ASP.NET Core project templates use Kestrel by default when not hosted with IIS. In the following template-generated `Program.cs`, the <xref:Microsoft.AspNetCore.Builder.WebApplication.CreateBuilder%2A?displayProperty=nameWithType> method calls <xref:Microsoft.AspNetCore.Hosting.WebHostBuilderKestrelExtensions.UseKestrel%2A> internally:
-
-:::code language="csharp" source="~/fundamentals/servers/kestrel/samples/6.x/KestrelSample/Program.cs" id="snippet_CreateBuilder" highlight="1":::
-
-For more information on configuring `WebApplication` and `WebApplicationBuilder`, see <xref:fundamentals/minimal-apis>.
-
-## Additional resources
-
-<a name="endpoint-configuration"></a>
-* <xref:fundamentals/servers/kestrel/endpoints>
-<a name="kestrel-options"></a>
-* <xref:fundamentals/servers/kestrel/options>
-<a name="http2-support"></a>
-* <xref:fundamentals/servers/kestrel/http2>
-<a name="when-to-use-kestrel-with-a-reverse-proxy"></a>
-* <xref:fundamentals/servers/kestrel/when-to-use-a-reverse-proxy>
-<a name="host-filtering"></a>
-* <xref:fundamentals/servers/kestrel/host-filtering>
-* <xref:test/troubleshoot>
-* <xref:security/enforcing-ssl>
-* <xref:host-and-deploy/proxy-load-balancer>
-* [RFC 9110: HTTP Semantics (Section 7.2: Host and :authority)](https://www.rfc-editor.org/rfc/rfc9110#field.host)
-* When using UNIX sockets on Linux, the socket isn't automatically deleted on app shutdown. For more information, see [this GitHub issue](https://github.com/dotnet/aspnetcore/issues/14134).
 
 :::moniker-end
 
-:::moniker range=">= aspnetcore-8.0 < aspnetcore-10.0"
+:::moniker range=">= aspnetcore-10.0"
 
-Kestrel is a cross-platform [web server for ASP.NET Core](xref:fundamentals/servers/index). Kestrel is the recommended server for ASP.NET Core, and it's configured by default in ASP.NET Core project templates.
+* **Memory management:** Kestrel includes features for efficient memory management. For more information, see <xref:fundamentals/servers/kestrel/memory-management>.
 
-Kestrel's features include:
+:::moniker-end
 
-* **Cross-platform:** Kestrel is a cross-platform web server that runs on Windows, Linux, and macOS.
-* **High performance:** Kestrel is optimized to handle a large number of concurrent connections efficiently.
-* **Lightweight:** Optimized for running in resource-constrained environments, such as containers and edge devices.
-* **Security hardened:** Kestrel supports HTTPS and is hardened against web server vulnerabilities.
-* **Wide protocol support:** Kestrel supports common web protocols, including:
-  * HTTP/1.1, [HTTP/2](xref:fundamentals/servers/kestrel/http2) and [HTTP/3](xref:fundamentals/servers/kestrel/http3)
-  * [WebSockets](xref:fundamentals/websockets)
-* **Integration with ASP.NET Core:** Seamless integration with other ASP.NET Core components, such as the middleware pipeline, dependency injection, and configuration system.
-* **Flexible workloads**: Kestrel supports many workloads:
-  * ASP.NET app frameworks such as Minimal APIs, MVC, Razor pages, SignalR, Blazor, and gRPC.
-  * Building a reverse proxy with [YARP](https://github.com/microsoft/reverse-proxy).
-* **Extensibility:** Customize Kestrel through configuration, middleware, and custom transports.
-* **Performance diagnostics:** Kestrel provides built-in performance diagnostics features, such as logging and metrics.
+:::moniker range=">= aspnetcore-8.0"
 
 ## Get started