Unified Security Gateway User's Guide

Chapter 9 Update
ZyWALL USG 1000 User’s Guide
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9.3 Updating System Protect Signatures
The ZyWALL comes with signatures that the ZyWALL uses to protect itself from intrusions.
These signatures are continually updated as new attack types evolve. These system protect
signature updates are free and can be downloaded to the ZyWALL periodically.
Click Licensing > Update > System Protect to display the following screen.
Use this screen to schedule or immediately download IDP signatures.
Figure 119 Licensing > Update > System Protect
The following table describes the fields in this screen.
Table 42 Licensing > Update > System Protect
LABEL DESCRIPTION
Signature
Information
The following fields display information on the current signature set that the
ZyWALL is using.
Current
Version
This field displays the IDP signature and anomaly rule set version number. This
number gets larger as the set is enhanced.
Signature
Number
This field displays the number of signatures in this set. This number usually gets
larger as the set is enhanced. Older signatures and rules may be removed if they
are no longer applicable or have been supplanted by newer ones.
Released
Date
This field displays the date and time the set was released.
Remote Update Use these fields to have the ZyWALL check for new signatures at myZyXEL.com.
If new signatures are found, they are then downloaded to the ZyWALL.
Update Now Click this button to have the ZyWALL check for new signatures immediately. If
there are new ones, the ZyWALL will then download them.
Auto Update Select this check box to have the ZyWALL automatically check for new signatures
regularly at the time and day specified.
You should select a time when your network is not busy for minimal interruption.
Hourly Select this option to have the ZyWALL check for new signatures every hour.