Red Hat CERTIFICATE SYSTEM 7.2 - ADMINISTRATION Administration Manual page 503

trust
V
virtual private network
(VPN)
Confident reliance on a person or other entity. In a
infrastructure (PKI), trust refers to the relationship between the
user of a certificate and the
certificate. If a CA is trusted, then valid certificates issued by that CA
can be trusted.
A way of connecting geographically distant divisions of an enterprise.
The VPN allows the divisions to communicate over an encrypted
channel, allowing authenticated, confidential transactions that would
normally be restricted to a private network.
certificate authority (CA)
public-key
that issued the
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