Address object group blacklist

The address object group blacklist feature is an attack prevention method that filters packets by address object group. The address object group blacklist feature must be used together with the address object group feature. An address object group is a set of IP address objects. For more information about address object groups, see "Configuring object groups." Compared with IP blacklist filtering, address object group blacklist filtering performs access control for subnets and improves the filtering usability.