McAfee AVDCDE-AA-AA User Guide - Page 131

Using the VShield Scanner To modify the settings in this property page, follow these steps: 1. Select the Enable Internet download scanning checkbox. The options in the rest of the property page activate. 2. Specify the types of files you want the Download Scan module to examine. You can: • Choose file types for scanning. Viruses cannot infect files that contain no executable code, whether script, macro, or binary code. You can, therefore, safely narrow the scope of your scan sessions so that the module examines only those files most susceptible to virus infection.To do so, select the Program files only button. To see or designate the file name extensions that the Download Scan module will examine, click Extensions to open the Program File Extensions dialog box (Figure 4-10). Figure 4-26. Program File Extensions dialog box See "Adding file name extensions for scanning" on page 287 and "Current list of vulnerable file name extensions" on page 288 to learn which file name extensions this module scans by default and how to add to or change this list. • Scan all files. Select the All files button to have the Download Scan module examine any file, whatever its extension, whenever you or a system process modifies it in any way. • Scan compressed files. Select the Compressed files checkbox to have the module look for viruses in compressed files or in file archives. User's Guide 131