bitwarden-server/src/Admin/Program.cs

using Bit.Core.Utilities;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Serilog.Events;

namespace Bit.Admin
{
    public class Program
    {
        public static void Main(string[] args)
        {
            WebHost
                .CreateDefaultBuilder(args)
                .ConfigureKestrel(o =>
                {
                    o.Limits.MaxRequestLineSize = 20_000;
                })
                .UseStartup<Startup>()
                .ConfigureLogging((hostingContext, logging) =>
                    logging.AddSerilog(hostingContext, e =>
                    {
                        var context = e.Properties["SourceContext"].ToString();
                        if(e.Properties.ContainsKey("RequestPath") &&
                            !string.IsNullOrWhiteSpace(e.Properties["RequestPath"]?.ToString()) &&
                            (context.Contains(".Server.Kestrel") || context.Contains(".Core.IISHttpServer")))
                        {
                            return false;
                        }
                        return e.Level >= LogEventLevel.Error;
                    }))
                .Build()
                .Run();
        }
    }
}