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ProSecure Web/Email Security Threat Management (STM) Appliance Reference Manual
Performing Network and System Management 3-19
v1.0, September 2009
Updating the Software
If you have used the Setup Wizard, you might have already configured the software update
settings; the Software Update screen allows you to modify these settings.
The STM has four main software components:
• The application software that includes the network protocols, security services, Web
Management Interface, and other components.
• A scan engine that enables the STM to scan e-mails, attachments, Web files, and applications,
and that functions in conjunction with the pattern file.
• A pattern file that contains the virus signature files and virus database.
• An operating system (OS) that includes the kernel modules and hardware drives.
The STM provides two methods for updating components:
• Scheduled, automatic update
• Manual update
Because new virus threats can appear any hour of the day, it is very important to keep both the
pattern file and scan engine firmware as current as possible. The STM can automatically check for
updates, as often as every 15 minutes, to ensure that your network protection is current.
Scheduling Updates
Enabling scheduled updates ensures that the STM automatically downloads the latest components
from the NETGEAR update server.
To configure scheduled updates:
1. Select Administration > Software Update from the menu. The Software Update screen
displays (see Figure 3-10 on page 3-20).