Netgear UTM9S – ProSECURE Unified Threat Management (UTM) Appliance with DSL and Wireless modules 参照マニュアル

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Network and System Management
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ProSecure Unified Threat Management (UTM) Appliance 
Configure Automatic Update and Frequency Settings
To configure the update settings and frequency settings for automatic downloading of 
the scan engine firmware and pattern file:
1. 
Locate the Update Settings, Frequency Settings, and HTTPS Proxy Settings sections on 
the Signatures & Engine screen (see the previous figure), and enter the settings as 
explained in the following table:
2. 
Click Apply to save your settings.
Configure Date and Time Service
Configure date, time, and NTP server designations on the System Date & Time screen. 
Network Time Protocol (NTP) is a protocol that is used to synchronize computer clock times 
in a network of computers. Setting the correct system time and time zone ensures that the 
date and time recorded in the UTM logs and reports are accurate.
Table 100.  Signatures & Engine screen settings
Setting
Description
Update Settings
Update
From the drop-down list, select one of the following options:
•  Never. The pattern and firmware files are not automatically updated.
• Scan engine and Signatures. The pattern and firmware files are automatically updated 
according to the settings in the Update Frequency section on the screen (see 
explanations later in this table).
Update From
Set the update source server by selecting one of the following radio buttons:
•  Default update server. Files are updated from the default NETGEAR update server.
• Server address. Files are updated from the server that you specify. Enter the IP address 
or host name of the update server in the Server address field.
Update Frequency
Specify the frequency with which the UTM checks for file updates by selecting one of the following radio 
buttons:
•  Weekly. From the drop-down lists, select the weekday, hour, and minutes that the updates occur.
•  Daily. From the drop-down lists, select the hour and minutes that the updates occur.
• Every. From the drop-down list, select the frequency with which the updates occur. The range is from 15 
minutes to 12 hours.
HTTPS Proxy Settings
Enable
If computers on the network connect to the Internet through a proxy server, select the 
Enable check box to specify and enable a proxy server. Enter the following settings.
Proxy Server
The IP address and port number of the proxy server.
User Name
The user name for proxy server authentication.
Password
The password for proxy server authentication.