Figure 283 Menu 27.2 Sa Monitor; Table 154 Menu 27.2 Sa Monitor - ZyXEL Communications Prestige 662H Series User Manual

Prestige 662H/HW Series User's Guide

Figure 283 Menu 27.2 SA Monitor

Menu 27.2 - SA Monitor
# Name
--- --------------------------------
001 Taiwan : 3.3.3.1 – 3.3.3.3.100
002
003
004
005
006
007
008
009
010
Select Command= Refresh
Select Connection= N/A
Press ENTER to Confirm or ESC to Cancel:
The following table describes the fields in this menu.

Table 154 Menu 27.2 SA Monitor

FIELD
#
Name
Encap.
IPSec
Algorithm
447
DESCRIPTION
This is the security association index number.
This field displays the identification name for this VPN policy. This name is unique for
each connection where the secure gateway IP address is a public static IP address.
When the secure gateway IP address is 0.0.0.0 (as discussed in the last chapter), there
may be different connections using this same VPN rule. In this case, the name is
followed by the remote IP address as configured in Menu 27.1.1. – IPSec Setup.
Individual connections using the same VPN rule may be terminated without affecting
other connections using the same rule.
This field displays Tunnel mode or Transport mode. See previous for discussion.
This field displays the security protocols used for an SA. ESP provides confidentiality
and integrity of data by encrypting the data and encapsulating it into IP packets.
Encryption methods include 56-bit DES and 168-bit 3DES. NULL denotes a tunnel
without encryption.
An incoming SA may have an AH in addition to ESP. The Authentication Header
provides strong integrity and authentication by adding authentication information to IP
packets. This authentication information is calculated using header and payload data in
the IP packet. This provides an additional level of security. AH choices are MD5 (default
- 128 bits) and SHA -1(160 bits).
Both AH and ESP increase Prestige processing requirements and communications
latency (delay).
Encap. IPSec ALgorithm
--------- ----------------
Tunnel ESP DES MD5
Chapter 46 SA Monitor