IP Security (ipsec)
IP Security (ipsec): (IPSec) Provide(s) interoperable, high quality, cryptographically-based security for IPv4 and IPv6.
Definition
(IPSec) Provide(s) interoperable, high quality, cryptographically-based security for IPv4 and IPv6. The set of security services offered includes access control, connectionless integrity, data origin authentication, detection and rejection of replays (a form of partial sequence integrity), confidentiality (via encryption), and limited traffic flow confidentiality.
Alternative Definitions
- Definition 2
Suite of protocols for securing Internet Protocol (IP) communications at the network layer, layer 3 of the OSI model by authenticating and/or encrypting each IP packet in a data stream. IPsec also includes protocols for cryptographic key establishment. (CNSSI-4009) (NISTIR)