Log in as a Confluence administrator, click "Confluence Administration"> "Page and Attachment Security Enhancer"> "Global Configuration", and select "Attachment Download History".
"Allow to Record" switch default: on.
"Attachment download history retention time": The cleaning program is executed once a day to clear the attachment download history that exceeds the retention time. If it is set to no limit, it will not be cleared. Default: 30 days.
Do not log repeated downloads of the same attachment by the same user within xx seconds: 0 - 600 can be entered. Default: 3.