Rec. ITU-T F.500 (11/1988) – INTERNATIONAL PUBLIC DIRECTORY SERVICES
CONTENTS
1 Introduction
2 Purpose and scope
3 Organizational provisions
4 Public directory services
    4.1 Service requirements
    4.2 Service features and optional user facilities
    4.3 Further features and facilities
    4.4 Service controls
5 Names as the key to directory searches
    5.1 General
    5.2 Entries
    5.3 Distinguished names
    5.4 Classification of requests
    5.5 Naming of entries
    5.6 Qualifications of attribute types
6 Character repertoire and languages
    6.1 Character repertoire
    6.2 Language of requests to the directory and responses from the directory
7 Display of a response
8 Operational issues
    8.1 Management
    8.2 Authentication
    8.3 Access control
    8.4 Operational actions
    8.5 Maintenance of the directory information
    8.6 Error handling
    8.7 Operator assistance
9 Quality of service aspects
    9.1 Availability
    9.2 Security of directory information
    9.3 Successful directory requests
    9.4 Access
    9.5 Response time
10 References
    10.1 Recommendations of the X.500 series - Data communication networks: directory
    10.2 Recommendations of the X.200 series - Data communication networks: open systems interconnection (OSI)
    10.3 Recommendations of the F.400 series - Message handling and directory services operations and definition of service
    10.4 Recommendations of the X.400 series - Data communication networks: message handling systems
ANNEX A – Abbreviations
ANNEX B – Service error messages
B.1 Attribute error
B.2 Name error
B.3 Interconnect error
B.4 Service error
B.5 Update error
B.6 Security error
B.7 Abandon error
B.8 Referral error
ANNEX C – Selected object classes
ANNEX D – Selected attribute types
ANNEX E – MHS selected object classes
ANNEX F – MHS selected attribute types
ANNEX G – User visibility of the search operation
ANNEX H – Glossary of terms