SecuExtender is not supported on MacOS 15 (Sequoia)

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  • ldubrois
    ldubrois Posts: 9  Freshman Member
    First Comment Friend Collector First Anniversary

    Hello

    We are using SSL VPN in SecuExtender ; what could be the configuration to apply on Mac OS to replace the no longer working client ?

  • MarkoD
    MarkoD Posts: 59  Ally Member
    First Answer First Comment Friend Collector Fifth Anniversary

    See this thread where I describe a working solution for VPN using the free, native VPN client in Mac OS 15:

    https://community.zyxel.com/en/discussion/comment/70604

  • Alex_91
    Alex_91 Posts: 27  Freshman Member
    First Comment Friend Collector Sixth Anniversary
    edited November 8

    I'm trying to configure L2tp over IPSec, I think I have the problem that my firewall is behind a NAT router.
    I read that you have to set a NAT on the firewall but I don't understand how, any help?

    basically the connection happens, it activates, but after a few seconds it closes

  • Zyxel_Melen
    Zyxel_Melen Posts: 2,567  Zyxel Employee
    Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

    Hi @Alex_91,

    May I know:

    1. Did you configure the NAT rule on your firewall or your router? Please note that the NAT rule should be configured on the top/upper/outer device since it has the public IP address.
    2. What NAT rule did you set?

    Zyxel Melen


  • Alex_91
    Alex_91 Posts: 27  Freshman Member
    First Comment Friend Collector Sixth Anniversary

    Full NAT from router to Firewall.

    in fact I can connect to the firewall web interface, there is already an active connection IPSec site to site in this moment and working fine.

    initially the l2tp did not work (it gave an error phase 2 mismatch), I had to set in phase 2 → policy public IP, now it connects for a few seconds then the connection closes.

  • Alex_91
    Alex_91 Posts: 27  Freshman Member
    First Comment Friend Collector Sixth Anniversary
    edited November 8

    Question: what rule must be set in Policy Route? and in the firewall?

  • Zyxel_Melen
    Zyxel_Melen Posts: 2,567  Zyxel Employee
    Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

    Hi @Alex_91,

    Here's my configuration that I can connect to the Internet and other LAN interfaces for you reference:

    L2TP configuration created by the wizard:

    image.png

    Security policy:

    image.png

    If you need any configuration assistance, please feel free to let me know.

    Zyxel Melen


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