AFS3 UPDATE Service Interface

  Code  Procedure                       Contact/Source
======  ==============================  ==============================
     1  FetchFile                       IBM AFS 3.1
     2  FetchInfo                       IBM AFS 3.1
     3..65535 RESERVED LEGACY SPACE     IBM
 65536  GetCapabilities                 afs3@auristor.com

Rx Security Class Registrations

Name       ID     Description
-------  ------   -----------------------------------------------
NULL          0   No security class
VAB	      1   Vice tokens with bcrypt
KAD           2   Kerberos tokens with fcrypt optional
KAD_REQ       3   Kerberos tokens with fcrypt required
RXGK          4   GSS-API Kerberos Crypto Framework
RXK5          5   Kerberos 5 authentication for rxh
YFS-RXGK      6   AuriStorFS RXGK variant (afs3@auristor.com)