How to upload batches of IP addresses to be quarantined?

Hi,

You can run the script to add the IP address as the address object and add to address group and apply the address group in the policy.

Kindly refer the below document to  run the script for address object.

https://community.fortinet.com/t5/FortiGate/Technical-Tip-Importing-address-objects-and-creating-groups/ta-p/198796

Regards

Jamal

Hello,

You can also use external threat feed, please refer the below 

https://docs.fortinet.com/document/fortigate/6.2.0/new-features/625349/external-block-list-threat-feed-policy

Regards,

Rathan