Introduction to Kestrel_ Introduction to kestrel web server

Kestrel brief introduction _Kestrel Web Server profile

One 、Kestrel brief introduction

Kestrel It's a Cross platform Of applies to Kestrel.

Kestrel Is contained in ASP.NET Core In the project template Web The server , It is enabled by default .

.NET Core All supported platforms and versions support Kestrel.

More detailed configuration and use ：ASP.NET Core Medium Kestrel Web Server implementation | Microsoft Docs

not used IIS In escrow ,ASP.NET Core By default, the project template uses Kestrel. stay “Program.cs” in , Method call UseKestrel：

var builder = WebApplication.CreateBuilder(args);
var app = builder.Build();

app.MapGet("/", () => "Hello World!");

app.Run();

Two 、 Server configuration endpoint

var builder = WebApplication.CreateBuilder(args);

// Configure server 
builder.WebHost.UseUrls("http://localhost:8080");

// Add services to the container.
builder.Services.AddControllersWithViews();


var app = builder.Build();

For more detailed configuration reference ：

by ASP.NET Core Kestrel Web Server configuration endpoint | Microsoft Docs

ASP.NET Core Web host | Microsoft Docs

By default ：

Kestrel stay http://localhost:5000 and https://localhost:5001 Listen on （ If the default certificate is available ）.

3、 ... and 、Kestrel And HTTP.sys

And HTTP.sys comparison ,Kestrel It has the following advantages ：

• Better performance and memory utilization .
• Cross platform
• flexibility , It is developed and patched independently of the operating system .
• Programming ports and TLS To configure
• Extensibility , allow PPv2 And other protocols and standby transmission .

Http.Sys Run as a shared kernel mode component , have kestrel The following functions are not available ：

• Port sharing
• Kernel mode Windows Authentication . Kestrel Only user mode authentication is supported .
• A fast agent that transmits through a queue
• Direct file transfer
• Response cache

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