ud-punching/UdPunching.Common/BuildInPeerId.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace UdPunching
{
    public static class BuildInPeerId
    {
        public static readonly Guid Server = Guid.Empty;
        public static readonly Guid Invalid = new Guid("ffffffff-ffff-ffff-ffff-ffffffffffff");
    }
}