Cisco Cisco Email Security Appliance C380 ユーザーガイド
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Cisco AsyncOS 8.0.1 for Email User Guide
Chapter 29 System Administration
Service Updates
Note
Settings for the RSA Email DLP engine and content matching classifiers are handled on the Security
Services > RSA Email DLP page. See
Services > RSA Email DLP page. See
for more information.
Service update settings are used for all services that receive updates except DLP updates. You cannot
specify unique settings for any individual service except DLP updates.
specify unique settings for any individual service except DLP updates.
UpdatesThrough a Proxy Server
The Cisco appliance is configured (by default) to connect directly to Cisco’s update servers to receive
updates. This connection is made by HTTP on port 80 and the content is encrypted. If you do not want
to open this port in your firewall, you can define a proxy server and specific port from which the
appliance can receive updated rules.
updates. This connection is made by HTTP on port 80 and the content is encrypted. If you do not want
to open this port in your firewall, you can define a proxy server and specific port from which the
appliance can receive updated rules.
If you choose to use a proxy server, you can specify an optional authentication and port.
Note
If you define a proxy server, it will automatically be used for all service updates that are configured to
use a proxy server. There is no way to turn off the proxy server for updates to any individual service.
use a proxy server. There is no way to turn off the proxy server for updates to any individual service.
Configuring Server Settings for Downloading Upgrades and Updates
Specify the server and connection information required to download upgrades and updates to your
appliance.
appliance.
You can use the same or different settings for AsyncOS upgrades and for service updates.
Before You Begin
Determine whether the appliance will download upgrades and updates directly from Cisco, or whether
you will host these images from a local server on your network instead. Then set up your network to
support the method you choose. See all topics under
you will host these images from a local server on your network instead. Then set up your network to
support the method you choose. See all topics under
Procedure
Step 1
Choose Security Services > Service Updates.
Step 2
Click Edit Update Settings.
Step 3
Enter options: