server/src/Events/Program.cs

using Bit.Core.Utilities;
using Serilog.Events;

namespace Bit.Events;

public class Program
{
    public static void Main(string[] args)
    {
        Host
            .CreateDefaultBuilder(args)
            .ConfigureCustomAppConfiguration(args)
            .ConfigureWebHostDefaults(webBuilder =>
            {
                webBuilder.UseStartup<Startup>();
                webBuilder.ConfigureLogging((hostingContext, logging) =>
                    logging.AddSerilog(hostingContext, e =>
                    {
                        var context = e.Properties["SourceContext"].ToString();
                        if (context.Contains("IdentityServer4.Validation.TokenValidator") ||
                            context.Contains("IdentityServer4.Validation.TokenRequestValidator"))
                        {
                            return e.Level > LogEventLevel.Error;
                        }

                        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();
    }
}