Cisco Cisco Email Security Appliance C650 Guía Del Usuario
Chapter 9 Anti-Virus
9-10
Cisco IronPort AsyncOS 7.5 for Email Configuration Guide
OL-25136-01
Step 7
You can now configure anti-virus settings on a per-recipient basis. See
Note
For information about how and when anti-virus scanning is applied, see
Retrieving Anti-Virus Updates via HTTP
By default, the Cisco IronPort appliance is configured to check for updates every
5 minutes. For the Sophos and McAfee anti-virus engines, the server updates from
a dynamic website.
5 minutes. For the Sophos and McAfee anti-virus engines, the server updates from
a dynamic website.
The system does not timeout on updates as long as the update is actively
downloading to the appliance. If the update download pauses for too long, then
the download times out.
downloading to the appliance. If the update download pauses for too long, then
the download times out.
The maximum amount of time that the system waits for an update to complete
before timing out is a dynamic value that is defined as 1 minute less than the
anti-virus update interval (defined on Security Services > Service Updates). This
configuration value aids appliances on slower connections while downloading
large updates that may take longer than 10 minutes to complete.
before timing out is a dynamic value that is defined as 1 minute less than the
anti-virus update interval (defined on Security Services > Service Updates). This
configuration value aids appliances on slower connections while downloading
large updates that may take longer than 10 minutes to complete.
Monitoring and Manually Checking for Updates
Once you have accepted the license agreement and configured the global settings,
you can use the Security Services > Sophos or McAfee Anti-Virus page (GUI) or
the
you can use the Security Services > Sophos or McAfee Anti-Virus page (GUI) or
the
antivirusstatus
command (CLI) to verify that you have the latest anti-virus
engine and identity files installed, and to confirm when the last update was
performed.
performed.
You can also manually perform updates. From the Security Services > Sophos or
McAfee Anti-Virus page, click Update Now in the Current McAfee/Sophos
Anti-Virus Files table. The appliance checks for and downloads the latest updates.
McAfee Anti-Virus page, click Update Now in the Current McAfee/Sophos
Anti-Virus Files table. The appliance checks for and downloads the latest updates.