
Chapter 13 VPN 205
Nortel Business Secure Router 222 Configuration — Basics
Figure 65 IPSec architecture
IPSec algorithms
The ESP (Encapsulating Security Payload) Protocol (RFC 2406) and AH
(Authentication Header) protocol (RFC 2402) describe the packet formats and the
default standards for packet structure (including implementation algorithms).
The Encryption Algorithm describes the use of encryption techniques such as
DES (Data Encryption Standard), AES (Advanced Encryption Standard), and
Triple DES algorithms.
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