Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Guidelines for the evaluation of X.500 directory products:



John Tebbutt
- NIST SP 500-228
Report Number
NIST SP 500-228


Tebbutt, J. (1995), Guidelines for the evaluation of X.500 directory products:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], (Accessed June 23, 2024)


If you have any questions about this publication or are having problems accessing it, please contact

Created January 1, 1995, Updated May 20, 2023