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OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

OfficeScan 10.6 Administrator's Guide - Trend Micro™ Online Help

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Managing Data Protection and Using Digital Asset Control<br />

The handling of file transmission to a removable storage device is a straightforward<br />

process. For example, a user who creates a file from Microsoft Word may want to save<br />

the file to an SD card (it does not matter which file type the user saves the file as). If the<br />

file contains a digital asset that should not be transmitted, <strong>OfficeScan</strong> prevents the file<br />

from being saved.<br />

For file transmission within the device, <strong>OfficeScan</strong> first backs up the file (if its size is<br />

75MB or less) to %WINDIR%\system32\dgagent\temp before processing it.<br />

<strong>OfficeScan</strong> removes the backup file if it allowed the file transmission. If <strong>OfficeScan</strong><br />

blocked the transmission, it is possible that the file may have been deleted in the process.<br />

In this case, <strong>OfficeScan</strong> will copy the backup file to the folder containing the original<br />

file.<br />

<strong>OfficeScan</strong> allows you to define non-monitored devices. <strong>OfficeScan</strong> always allows data<br />

transmissions to or within these devices. Identify devices by their vendors and optionally<br />

provide the device models and serial IDs.<br />

Tip: Use the Device List Tool to query devices connected to endpoints. The tool provides<br />

the device vendor, model, and serial ID for each device. For details, see Device List Tool<br />

on page 9-67.<br />

Synchronization Software (ActiveSync)<br />

<strong>OfficeScan</strong> monitors data transmitted to a mobile device through synchronization<br />

software.<br />

For a list of supported synchronization software, see:<br />

http://docs.trendmicro.com/en-us/enterprise/officescan.aspx<br />

If the data has a source IP address of 127.0.0.1 and is sent through either port 990 or<br />

5678 (the ports used for synchronization), <strong>OfficeScan</strong> checks if the data is a digital asset<br />

before allowing or blocking its transmission.<br />

When <strong>OfficeScan</strong> blocks a file transmitted on port 990, a file of the same name<br />

containing malformed characters may still be created at the destination folder on the<br />

mobile device. This is because parts of the file have been copied to the device before<br />

<strong>OfficeScan</strong> blocked the transmission.<br />

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