Split Kestrel docs into smaller, more focused pages to improve readability

aspnetcore/blazor/call-web-api.md

@@ -397,5 +397,10 @@ For general information on CORS with ASP.NET Core apps, see <xref:security/cors>
 * <xref:blazor/security/webassembly/additional-scenarios>: Includes coverage on using <xref:System.Net.Http.HttpClient> to make secure web API requests.
 * <xref:fundamentals/http-requests>
 * <xref:security/enforcing-ssl>
+::: moniker range=">= aspnetcore-5.0"
+* [Kestrel HTTPS endpoint configuration](xref:fundamentals/servers/kestrel/endpoints)
+::: moniker-end
+::: moniker range="< aspnetcore-5.0"
 * [Kestrel HTTPS endpoint configuration](xref:fundamentals/servers/kestrel#endpoint-configuration)
+::: moniker-end
 * [Cross Origin Resource Sharing (CORS) at W3C](https://www.w3.org/TR/cors/)

aspnetcore/blazor/common/samples/5.x/BlazorWebAssemblySample/Pages/CallWebAPI.razor

@@ -16,7 +16,7 @@
 
 <p>Adjust the domains and ports of <code>WithOrigins</code> as needed for the Blazor app.</p>
 
-<p>By default, ASP.NET Core apps use ports 5000 (HTTP) and 5001 (HTTPS). To run both apps on the same machine at the same time for testing, use a different port for the web API app (for example, port 10000). For more information on setting the port, see the <a href="https://docs.microsoft.com/aspnet/core/fundamentals/servers/kestrel#endpoint-configuration">Kestrel web server implementation: Endpoint configuration</a>.</p>
+<p>By default, ASP.NET Core apps use ports 5000 (HTTP) and 5001 (HTTPS). To run both apps on the same machine at the same time for testing, use a different port for the web API app (for example, port 10000). For more information on setting the port, see the <a href="https://docs.microsoft.com/aspnet/core/fundamentals/servers/kestrel/endpoints">Kestrel web server implementation: Endpoint configuration</a>.</p>
 
 <h3>Todo Items</h3>
 

aspnetcore/fundamentals/host/generic-host.md

@@ -112,8 +112,8 @@ The <xref:Microsoft.Extensions.Hosting.Host.CreateDefaultBuilder*> method:
 The <xref:Microsoft.Extensions.Hosting.GenericHostBuilderExtensions.ConfigureWebHostDefaults*> method:
 
 * Loads host configuration from environment variables prefixed with `ASPNETCORE_`.
-* Sets [Kestrel](xref:fundamentals/servers/kestrel) server as the web server and configures it using the app's hosting configuration providers. For the Kestrel server's default options, see <xref:fundamentals/servers/kestrel#kestrel-options>.
-* Adds [Host Filtering middleware](xref:fundamentals/servers/kestrel#host-filtering).
+* Sets [Kestrel](xref:fundamentals/servers/kestrel) server as the web server and configures it using the app's hosting configuration providers. For the Kestrel server's default options, see <xref:fundamentals/servers/kestrel/options>.
+* Adds [Host Filtering middleware](xref:fundamentals/servers/kestrel/host-filtering).
 * Adds [Forwarded Headers middleware](xref:host-and-deploy/proxy-load-balancer#forwarded-headers) if `ASPNETCORE_FORWARDEDHEADERS_ENABLED` equals `true`.
 * Enables IIS integration. For the IIS default options, see <xref:host-and-deploy/iis/index#iis-options>.
 
@@ -420,7 +420,7 @@ To set this value, use the environment variable or call `UseUrls`:
 webBuilder.UseUrls("http://*:5000;http://localhost:5001;https://hostname:5002");
 ```
 
-Kestrel has its own endpoint configuration API. For more information, see <xref:fundamentals/servers/kestrel#endpoint-configuration>.
+Kestrel has its own endpoint configuration API. For more information, see <xref:fundamentals/servers/kestrel/endpoints>.
 
 ### WebRoot
 

aspnetcore/fundamentals/host/web-host.md

@@ -49,7 +49,12 @@ The code that calls `CreateDefaultBuilder` is in a method named `CreateWebHostBu
 
 `CreateDefaultBuilder` performs the following tasks:
 
+::: moniker range=">= aspnetcore-5.0"
+* Configures [Kestrel](xref:fundamentals/servers/kestrel) server as the web server using the app's hosting configuration providers. For the Kestrel server's default options, see <xref:fundamentals/servers/kestrel/options>.
+::: moniker-end
+::: moniker range="< aspnetcore-5.0"
 * Configures [Kestrel](xref:fundamentals/servers/kestrel) server as the web server using the app's hosting configuration providers. For the Kestrel server's default options, see <xref:fundamentals/servers/kestrel#kestrel-options>.
+::: moniker-end
 * Sets the [content root](xref:fundamentals/index#content-root) to the path returned by [Directory.GetCurrentDirectory](/dotnet/api/system.io.directory.getcurrentdirectory).
 * Loads [host configuration](#host-configuration-values) from:
   * Environment variables prefixed with `ASPNETCORE_` (for example, `ASPNETCORE_ENVIRONMENT`).
@@ -329,7 +334,12 @@ WebHost.CreateDefaultBuilder(args)
     .UseUrls("http://*:5000;http://localhost:5001;https://hostname:5002")
 ```
 
+::: moniker range=">= aspnetcore-5.0"
+Kestrel has its own endpoint configuration API. For more information, see <xref:fundamentals/servers/kestrel/endpoints>.
+::: moniker-end
+::: moniker range="< aspnetcore-5.0"
 Kestrel has its own endpoint configuration API. For more information, see <xref:fundamentals/servers/kestrel#endpoint-configuration>.
+::: moniker-end
 
 ### Shutdown Timeout
 

aspnetcore/fundamentals/servers/index.md

@@ -159,7 +159,30 @@ A *launchSettings.json* file provides configuration when launching an app with `
 
 [HTTP/2](https://httpwg.org/specs/rfc7540.html) is supported with ASP.NET Core in the following deployment scenarios:
 
-::: moniker range=">= aspnetcore-2.2"
+::: moniker range=">= aspnetcore-5.0"
+
+* [Kestrel](xref:fundamentals/servers/kestrel/http2)
+  * Operating system
+    * Windows Server 2016/Windows 10 or later†
+    * Linux with OpenSSL 1.0.2 or later (for example, Ubuntu 16.04 or later)
+    * HTTP/2 will be supported on macOS in a future release.
+  * Target framework: .NET Core 2.2 or later
+* [HTTP.sys](xref:fundamentals/servers/httpsys#http2-support)
+  * Windows Server 2016/Windows 10 or later
+  * Target framework: Not applicable to HTTP.sys deployments.
+* [IIS (in-process)](xref:host-and-deploy/iis/index#http2-support)
+  * Windows Server 2016/Windows 10 or later; IIS 10 or later
+  * Target framework: .NET Core 2.2 or later
+* [IIS (out-of-process)](xref:host-and-deploy/iis/index#http2-support)
+  * Windows Server 2016/Windows 10 or later; IIS 10 or later
+  * Public-facing edge server connections use HTTP/2, but the reverse proxy connection to Kestrel uses HTTP/1.1.
+  * Target framework: Not applicable to IIS out-of-process deployments.
+
+†Kestrel has limited support for HTTP/2 on Windows Server 2012 R2 and Windows 8.1. Support is limited because the list of supported TLS cipher suites available on these operating systems is limited. A certificate generated using an Elliptic Curve Digital Signature Algorithm (ECDSA) may be required to secure TLS connections.
+
+::: moniker-end
+
+::: moniker range=">= aspnetcore-2.2 < aspnetcore-5.0"
 
 * [Kestrel](xref:fundamentals/servers/kestrel#http2-support)
   * Operating system