X.500 Standard status
(Implementors' Guide)
How to be involved
More Information
Tutorial section 1
X.500 General
Tutorial section 2
X.509 specific
X.509 at work
The X.500 Standards documentation can be found on the website of the International Telecommunications Union - Telecommunication Standardization Sector (ITU-T).
According to an agreement between ISO/IEC and ITU-T text common for the two organisations is not unconditionally freely available, as it is the case for ITU-T only Recommendations.
Common text will be freely available one year after publication by ISO/IEC. However, there a few documents ISO/IEC considered of special commercial interest. Such document will only be freely available when ISO/IEC has published the next following edition. Unfortunately X.501 and X.509 are by ISO/IEC considers of special economical interest.
In the table below you can either:
Technical corrigenda are available by following the "Here" link.
|
X.500 |
The Directory: Overview of concepts, models and services - 5th edition | ||
|
X.501 |
The Directory: Models - 5th edition | ||
|
X.501 |
Corrigendum 1 |
- | |
|
X.501 |
Corrigendum 2 |
- | |
|
X.509 |
The Directory: Public-key and attribute certificate frameworks - 5th edition | ||
|
X.509 |
Corrigendum 1 |
- | |
|
X.509 |
Corrigendum 2 |
- | |
|
X.511 |
The Directory: Abstract service definition - 5th edition | ||
|
X.511 |
Corrigendum 1 |
- | |
|
X.511 |
Corrigendum 2 |
- | |
|
X.518 |
The Directory: Procedures for distributed operation - 5th edition | ||
|
X.518 |
Corrigendum 1 |
- | |
|
X.519 |
The Directory: Protocol specifications - 5th edition | ||
|
X.519 |
Corrigendum 1 |
- | |
|
X.520 |
The Directory: Selected attribute types | ||
|
X.520 |
Corrigendum 1 |
- | |
|
X.520 |
Corrigendum 2 |
- | |
|
X.521 |
The Directory: Selected object classes | ||
|
X.525 |
The Directory: Replication | ||
|
X.530 |
The Directory: Use of systems management for administration of the Directory |