using System; using System.Net; namespace Clipman { internal static class NetworkSecurity { private const int Tls12 = 3072; private const int Tls13 = 12288; public static void EnableModernTls() { var protocols = (SecurityProtocolType)Tls12; var tls13 = (SecurityProtocolType)Tls13; if (Enum.IsDefined(typeof(SecurityProtocolType), tls13)) { protocols |= tls13; } ServicePointManager.SecurityProtocol = protocols; } } }