ZyXEL Communications 650 Series User Manual
Page 170
Prestige 650 Series User’s Guide
15-4
Introduction to IPSec
Figure 15-3 IPSec Architecture
15.2.1 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) and Triple DES algorithms.
The Authentication Algorithms, HMAC-MD5 (RFC 2403) and HMAC-SHA-1 (RFC 2404, provide an
authentication mechanism for the AH and ESP protocols. Please see section 16.2 for more information.
15.2.2 Key Management
Key management allows you to determine whether to use IKE (ISAKMP) or manual key configuration in
order to set up a VPN.
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- DMA-1000 Series (192 pages)
- PLA-450 (2 pages)
- EXT-108 (2 pages)
- P-2602HWLNI (496 pages)
- ZyXEL ZyWALL 2WG (730 pages)
- P841C (41 pages)
- Network Device P-2302 (359 pages)
- P-870M-I (2 pages)
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