Apple Push Notification Service (APNS) certificate is a public key certificate, which is used for remote message push service on Apple devices (iPhone, iPad, Mac, etc.). ). APNS certificate is a service provided by Apple, which is used for remote message push service on Apple devices. APNS certificate helps developers to establish and improve the application message push service, so as to keep in touch with users more conveniently.

Application Performance Security (APS) is a software technology that can help organizations improve efficiency and reduce the risk of network attacks. Based on the concept of application performance security, it is a combination of application security, performance optimization and network security. APS helps organizations identify threats and vulnerabilities before they become problems and provide solutions that can be implemented quickly and cost-effectively.