Greylists provide control over the priority of work orders for known IP addresses and URLs. Greylists are files that contain either URLs or IP addresses. TheTrellix Web analysis engine checks whether the specified URLs or IP addresses contain a malicious rule match.
Note
The Greylist page does not appear in the Settings tab of the Web UI until the feature is enabled from the CLI.
The Greylist feature is not available on managed Network SecurityNetwork Security appliances.
The following topics explain how to enable and configure greylists: