System-Created Access Control Policies
Depending on your devices' initial configurations, system-provided policies can include:
- 
                    Default Access Control—Blocks all traffic without further inspection. 
- 
                    Default Intrusion Prevention—Allows all traffic, but also inspects with the Balanced Security and Connectivity intrusion policy and default intrusion variable set. 
- 
                    Default Network Discovery—Allows all traffic while inspecting it for discovery data but not intrusions or exploits.