IPSec
Describe the Internet Protocol Security (IPSec) standard.
The Internet Protocol Security standard (IPSec) is an IETF standard that describes a communications protocol that can be implemented. TCP/IP, the original protocol developed for the Internet, and now the primary protocol for internal communications within IT networks and across WAN links, was not designed with security in mind. The protocol was developed with the goals of guaranteed connectivity and availability.
IP Security was originally designed for the future implementation of the Internet Protocol, IPv6, but is now specified for the current version of IP, IPv4, as well. Numerous implementations exist including built-in and add-on functionality for routers and firewalls, as well ...
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