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    Ports Used for IPSec
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    4. Reference: Port Number Usage
    5. Ports Used for IPSec
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    Next-Generation Firewall

    Ports Used for IPSec

    Table of Contents

    Ports Used for IPSec

    Ports used by IPSec protocols including IKE (Internet Key Exchange) and keymgr for VPN tunnel establishment and management.
    The firewall and Panorama use the following ports for IPSec functions.
    Destination Port
    Protocol
    Description
    500
    UDP
    Port used by IKE on the management plane to connect with remote IKE peers.
    4500
    UDP
    Port used by IKE on the management plane to connect with remote IKE peers.
    4510
    UDP
    Port used by the dataplane to send requests to IKE.
    4511
    UDP
    Port used by the dataplane to send requests to keymgr.

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