Adds or deletes a blacklist rule based on a file extension.
A blacklist allows you to control which messages containing an attachment must be considered malicious based on the matched known rule entries. The EX Series appliance immediately marks the attachment within an email message for quarantine if it includes the file extension that you defined and added to the appliance database.
Syntax
[no] analysis custom blacklist file-extension <extension>
Parameters
<extension>
A file extension.
no
Use the no form of this command to disable a particular policy rule ID.
<rule_ID>
A particular policy rule ID.
Example
The following example adds the extension "exe" to a custom blacklist:
hostname (config) # analysis custom blacklist file-extension exe
The following example deletes a blacklist rule based on the file extension:
hostname (config) # no analysis custom blacklist file-extension 133
User role
Admin or Operator
Command mode
Config
Supported appliances
This command is supported on the following appliances running the specified releases or later:
Email Security — Server: Release 8.2.0