Acronym Definition CA Central Authority (Zscaler) CSV Comma-Separated Values DLP Data Loss Prevention DNS Domain Name Service DPD Dead Peer Detection (RFC 3706) GRC Governance, Risk (management), and Compliance GRE Generic Routing Encapsulation (RFC2890) ICMP Internet Control Message Protocol IdP Identity Provider IKE Internet Key Exchange (RFC2409) IPS Intrusion Prevention System IPSec Internet Protocol Security (RFC2411) PFS Perfect Forward Secrecy PSK Pre-Shared Key SaaS Software as a Service SSL Secure Socket Layer (RFC6101) TLS Transport Layer Security VDI Virtual Desktop Infrastructure XFF X-Forwarded-For (RFC7239) ZPC Zscaler Posture Control (Zscaler) ZDX Zscaler Digital Experience (ZScaler)Zia Zscaler Internet访问(ZScaler)ZPA ZSCALER私人访问(ZScaler)