C
- Certificate Revocation List (CRL).
Data structure that enumerates digital certificates that have been invalidated by their issuer prior to when they were scheduled to expire.
- certificate authority (CA).
Entity that issues digital certificates (especially X.509 certificates) and vouches for the binding between the data items in a certificate.
- Cisco Encryption Technology (CET).
A 40- and 56-bit Data Encryption Standard (DES) network layer encryption available since Cisco IOS Software Release 11.2.
- Cisco Unified Client Framework.
A consistent connection, policy, and key management method across Cisco routers, security appliances, and Cisco VPN Clients.
- classless interdomain routing (CIDR).
Technique supported by Border Gateway Protocol version 4 (BGP4) ...
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