networking, protocol, security ("
IP Secure"?) A
protocol that provides
security for transmission of sensitive information over unprotected
networks such as the
Internet. IPsec acts at the
network layer, protecting and authenticating
IP packets between participating devices ("peers"), such as
Cisco routers.
IETF IPsec (https://ietf.org/ids.by.wg/ipsec.html).
(2002-05-06)