Configure the ISC Ports feed as follows:
On Lumeta's main menu, browse to
Open Source Feeds
Enable the threat feed by moving Active slider to the right.
The label changes from a red No to a green Yes.
Input a Polling Interval to indicate the time that should elapse between fetching the latest feed data. Input 24 to poll daily, input 12 to poll twice a day, and so on.
Feed is configured.