block ip addresses

[80fd220b-e3b5-4]

Hi Guys,

I have a couple of R81 firewalls and a management R81.10. I need to block a lot of malware ip addresses (almost 50) and I would like to know what is the best way, if creating a Block Access Control Policy rule with that ip as Desination or use "Custom Policy Tools" --> "Indicators".

thanks a lot
Emiliano