Renci.SshNet.SshMessageFactory.DisableNonKeyExchangeMessages C# (CSharp) Method

        public void DisableNonKeyExchangeMessages()
        {
            foreach (var messageMetadata in AllMessages)
            {
                var messageNumber = messageMetadata.Number;
                if ((messageNumber > 2 && messageNumber < 20) || messageNumber > 30)
                {
                    _enabledMessagesByNumber[messageNumber] = null;
                }
            }
        }