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Device Security

  • FQDN ID for enhanced policy management and dynamic IP resolution (SRX Series, cSRX, and vSRX)—Use unique fully qualified domain name (FQDN) ID mappings to manage frequent IP address changes. The system stores each FQDN’s identifier (ID) in the Routing Engine and Packet Forwarding Engine. This FQDN ID storage enables quick lookups without constant policy updates, improving stability. This feature runs by default.

    [See DNS Snooping for Security Policies.]