Managing Denied IP List
The Denied IPs section has a list of IPs that were denied access due to breach of one of the policies for denial of service policies. You can delete the IP from the list and make it available.
To manage the denied IP list
1. Click Policies in the title navigation bar.
2. Select Threat protection > Denied IPs.
This displays a list of IPs or IP address range that were denied access.
3. Click 
in the Action column so that the specified IP can be made available.