public enum TcpPortAlias : System.Enum 

services.UsePortScannerProtection(options => {
                  /* Map the service ports to a local port on your computer
                  *  Redirect the requests to your computer and open the firewall
                  *  for the redirected ports 
                  *
                  * In this sample you'd map original port to a custom port to not interfere with the 
                  * original service on your servers firewall open the ports 64000-64006 to enable detection
                  */
                  options.SSH    = 64000; // map port 22 to port 64000 on your router
                  options.TSQL   = 64001; // map port 1433 to port 64001 on your router
                  options.Telnet = 64002; // map port 23 to port 64002 on your router
                  options.MYSQL  = 64005; // map port 3306 to port 64005 on your router
                  options.DNS    = 64006; // map port 53 to port 64005 on your router
            
                  /*you can manually map port aliases in the range from 0 till 65535*/
                  options.AddOrUpdate(externalPort: 587, internalPort:4007, name:"ESMTP Extended Simple Mail Transfer Protocol");
                  options.AddOrUpdate(externalPort: 647, internalPort:4008, name:"DHCP Fail-over");
            
                  /*Record up-to 8,000 character when someone is trying to attack the service for legal reporting*/
                  options.MaximumDataSizeToAccept = 254;
            
                  /*Look between every 100ms and 30000ms if someone is trying to gain access to the system */
                  options.PoolFrequency = 100;
            
                  /* Add a default reply to any connection, you can send a auto reply
                   * You can use the template values:
                   * {IP}  - the attackers IP address
                   * {Port}- the port being attacked
                   * {Name}- the name of the alias being used
                   * {ISP} - the name of the Internet service provider that the attacker is using will be injected
                   * {Country} - the country name will be injected
                   * to personalize the message or leave it blank to record silently*/
                  options.DefaultReply = "This service is being monitored and we have detected your intentions attack {Name}" +
                                         " via {IP}:{Port} to gain unlawful access to the system, please note that any unlawful" +
                                         " activity will be reported to {ISP} as well as the relevant authorities in {Country}";
            
              })