ZyXEL P-661H-D1 User Guide - Page 229
IPSec VPN Technical Reference, 16.6.1 IPSec Architecture
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Chapter 16 VPN Table 60 Security > VPN > Monitor LABEL DESCRIPTION Disconnect Select one of the security associations, and then click Disconnect to stop that security association. Refresh Click Refresh to display the current active VPN connection(s). 16.6 IPSec VPN Technical Reference This section provides some technical background information about the topics covered in this chapter. 16.6.1 IPSec Architecture The overall IPSec architecture is shown as follows. Figure 101 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) and Triple DES algorithms. P-661HNU-Fx User's Guide 229