HTTP3 ASP.net Core example

HTTP3.cs

public void ConfigureServices(IServiceCollection services)
{
    services.AddHttpsRedirection(options =>
    {
        options.HttpsPort = 443;
    });
}

public void Configure(IApplicationBuilder app, IWebHostEnvironment env)
{
    app.UseHttpsRedirection();

    app.UseRouting();

    app.UseEndpoints(endpoints =>
    {
        endpoints.MapControllers();
    });

    app.UseQuic(options =>
    {
        options.Listen(IPAddress.Any, 443, listenOptions =>
        {
            listenOptions.Protocols = HttpProtocols.Http3;
        });
    });
}