ZyXEL Communications wireless n gigbit router zyxel User Manual

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Chapter 15 IPSec VPN
NBG-460N User’s Guide
218
15.5  The SA Monitor Screen
In the Web Configurator, click Security > VPN > SA Monitor. Use this screen to 
display and manage active VPN connections.
A Security Association (SA) is the group of security settings related to a specific 
VPN tunnel. This screen displays active VPN connections. Use Refresh to display 
active VPN connections.
Figure 135   Security > VPN > SA Monitor
The following table describes the labels in this screen. 
Authentication 
Algorithm
Select which hash algorithm to use to authenticate packet data in the 
IPSec SA. Choices are SHA1 and MD5SHA1 is generally considered 
stronger than MD5, but it is also slower.
Authentication 
Key
Type a unique authentication key to be used by IPSec if applicable. 
Enter 16 characters for MD5 authentication or 20 characters for SHA-1 
authentication. Any characters may be used, including spaces, but 
trailing spaces are truncated.
Apply
Click Apply to save your changes back to the NBG-460N.
Reset
Click Reset to begin configuring this screen afresh.
Cancel
Click Cancel to exit the screen without making any changes.
Table 70   Security > VPN > General > Rule Setup: Manual (continued)
LABEL
DESCRIPTION
Table 71   Security > VPN > SA Monitor
LABEL
DESCRIPTION
#
This is the security association index number. 
Name
This field displays the identification name for this VPN policy.
Encapsulation
This field displays Tunnel or Transport mode. 
IPSec Algorithm
This field displays the security protocols used for an SA.
Both AH and ESP increase NBG-460N processing requirements and 
communications latency (delay).
Refresh
Click Refresh to display the current active VPN connection(s).