Use the CLI commands in this procedure to enable or disable URL overlay detection. After you have configured the Email Security - Server appliance to detect mismatches between the URLs using the CLI, you can view the analysis results on the eAlerts > Alerts page in the Web UI.
Note
You can enable or disable URL overlay detection only using the CLI. This feature is enabled by default.
Prerequisites
Administrator or Operator access to the Email Security - Server appliance
Download and install the latest security content by using the
fenet security-content apply-updatecommand. For details about how to update security content, refer to the Email Security — Server System Administration Guide.Enable URL Dynamic Analysis to analyze and dynamically scan URLs within an email message body. For details about how to enable URL Dynamic Analysis, see Enabling or disabling URL dynamic analysis using the Web UI or Enabling or disabling URL dynamic analysis using the CLI.
Enable Email Feature Extraction to extract the content within an email message body to identify suspicious features. For details about how to enable Email Feature Extractor, see Enabling or disabling email feature extraction using the CLI.
Go to CLI configuration mode.
hostname > enable hostname # configure terminal
Enable URL overlay detection on the appliance.
hostname (config) # email-analysis policy url-overlay enable
Save your changes.
hostname (config) # write memory
Verify the status of URL overlay detection.
hostname (config) # show email-analysis Email-Analysis: . . . URL dynamic analysis enabled: yes URL overlay detection enabled: yes . . .
Go to CLI configuration mode.
hostname > enable hostname # configure terminal
Disable URL overlay detection.
hostname (config) # no email-analysis policy url-overlay enable
Save your changes.
hostname (config) # write memory
Verify the status of URL overlay detection.
hostname (config) # show email-analysis Email-Analysis: . . . URL dynamic analysis enabled: yes URL overlay detection enabled: no . . .