ZyXEL Communications wireless n gigbit router zyxel manual SA Monitor Screen, 218

Chapter 15 IPSec VPN

Table 70 Security > VPN > General > Rule Setup: Manual (continued)

LABEL	DESCRIPTION
Authentication	Select which hash algorithm to use to authenticate packet data in the
Algorithm	IPSec SA. Choices are SHA1 and MD5. SHA1 is generally considered
	stronger than MD5, but it is also slower.
Authentication	Type a unique authentication key to be used by IPSec if applicable.
Key	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.

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.

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).

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NBG-460N User’s Guide