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.

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Abbreviations / Acronyms / Synonyms:

Client Node
Common Name


  An attribute type that is commonly found within a Subject Distinguished Name in an X.500 directory information tree. When identifying machines, it is composed of a fully qualified domain name or IP address.
NIST SP 1800-16B under Common Name
NIST SP 1800-16C under Common Name
NIST SP 1800-16D under Common Name