Cisco Cisco Email Security Appliance C160 Mode D'Emploi
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Cisco IronPort AsyncOS 7.3 for Email Advanced Configuration Guide
OL-23081-01
Chapter 6 Using Message Filters to Enforce Email Policies
Figure 6-4
Edit IronPort Image Analysis Settings
Step 3
Configure the settings for image analysis sensitivity. The default sensitivity
setting of 65 is recommended.
setting of 65 is recommended.
Step 4
Configure the settings for Clean, Suspect, and Inappropriate verdicts.
When you configure the value ranges, ensure that you do not overlap values
and that you use whole integers.
and that you use whole integers.
Step 5
Optionally, configure AsyncOS to bypass scanning images that do not meet a
minimum size requirement (recommended). By default, this setting is configured
for 100 pixels. Scanning images that are smaller than 100 pixels can sometimes
result in false positives.
minimum size requirement (recommended). By default, this setting is configured
for 100 pixels. Scanning images that are smaller than 100 pixels can sometimes
result in false positives.
You can also enable image analysis settings from the CLI via the
imageanalysisconfig
command:
test.com> imageanalysisconfig
IronPort Image Analysis: Enabled
Image Analysis Sensitivity: 65
Verdict Ranges: Clean (0-49), Suspect(50-74), Inappropriate (75+)
Skip small images with size less than 100 pixels (width or height)