227 : Login with ID/PIN.
228 : Login with NFC Card.
250 : Database Commands to run SQL scripts.
252 : Raspberry Pi as Network Card Reader.
255 : Server Commands: a Command-Line Interface to server methods.
256 : Pull-Print with Terminals and Network Card Readers.
257 : LDAP synchronization of ID and NFC Card Number.
258 : NFC Card Self Registration.