IPsec
<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 (http://www.ietf.org/ids.by.wg/ipsec.html).
