RFC 912 (rfc912) - Page 2 of 3

Authentication service

RFC 912                                                   September 1984
Authentication Service


         23, 6191

   The response is of the form

      ,  :  : 

   where ,  are the same pair as the query,
    is a keyword identifying the type of response, and
    is context dependent.

      For example:

         23, 6191 : USERID : StJohns

RESPONSE TYPES

   A response can be one of two types:

   USERID

      In this case,  is the printable representation of
      the user identifier of the owner of the connection.  The format of
      the returned user identifier is completely system dependent.

   ERROR

      For some reason the owner of the TCP port could not be determined,
       tells why.  The following are suggested values
      of  and their meanings.

         INVALID PORT

            Either the local or foreign port was improperly specified.

         NO USER

            The connection specified by the port pair is not currently
            in use.

         UNKNOWN ERROR

            Can't determine connection owner; reason unknown.
            Other values may be specified as necessary.






StJohns