IronPort - advanced configuration guide

Chapter 6 Using Message Filters to Enforce Email Policies
Viewing Verdict Results
OL-25137-01
Skip small images with size less than 100 pixels (width or height)
Choose the operation you want to perform:
- SETUP - Configure IronPort Image Analysis.
[]> setup
IronPort Image Analysis: Enabled
Would you like to use IronPort Image Analysis? [Y]>
Define the image analysis sensitivity. Enter a value between 0 (least
sensitive) and 100 (most sensitive). As sensitivity increases, so does the false positive
rate. The default setting of 65 is recommended.
[65]>
Define the range for a CLEAN verdict. Enter the upper bound of the CLEAN range by
entering a value between 0 and 98. The default setting of 49 is recommended.
[49]>
Define the range for a SUSPECT verdict. Enter the upper bound of the SUSPECT range by
entering a value between 50 and 99. The default setting of 74 is recommended.
[74]>
Would you like to skip scanning of images smaller than a specific size? [Y]>
Please enter minimum image size to scan in pixels, representing either height or width of
a given image.
[100]>
To see the verdict score for a particular message, you can view the mail logs. The mail logs display the
image name or file name, the score for a particular message attachment. In addition, the log displays
information about whether the images in a file were scannable or unscannable. Note that information in
the log describes the result for each message attachment, rather than each image. For example, if the
Cisco IronPort AsyncOS 7.6 for Email Advanced Configuration Guide
6-69