Hello, you can block traffic from your network by going in to the Network Policy, opening the user profile, enabling the firewall, and creating an IP firewall object that denies traffic to that application or IP address.
We have guides on the community, if you are looking for any how-to guides you will want to use the search bar at the top of the community. If you don't find the guide you are looking for, please feel free to email me at communityhelp@aerohive.com and we'll make the guide for you.
