Troubleshooting Security Policy Issues When Upgrading
OAM 12c has an improved security posture and leverages the capabilities added in the underlying infrastructure. OAM 12c is certified with JDK 8, and based on the JDK 8 update used, its behavior may vary. More details about specific JDK 8 updates and their corresponding Java policies can be found in Release Notes for JDK 8 and JDK 8 Update Releases.
Oracle Access Protocol (OAP) version 5 has improved security for WebGate and server communication. OAP version 5 is used for communication between 12c WebGates and 12c OAM Servers.