VPN not working any more after reboot

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  • StefanZ
    StefanZ Posts: 203 image  Master Member
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    Alright, so I had some time to experiment.

    The OLD certificate [the one used by all the team members] will not be accepted for connections anymore.

    I created a new one today and that works just fine on the same domainname.
    Switching back to the original certificate: it stops working.

    The certificate is still displayed as valid, but maybe the storage is somehow corrupted?

  • Zyxel_James
    Zyxel_James Posts: 839 image  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate 100 Answers
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    Hello @StefanZ
    It looks like the original cert somehow corrupted after a restart, right? May I know your firmware version?

    I would like to know more information about the cert as well. could you send me the original cert(corrupted) and the working cert? thanks.

  • StefanZ
    StefanZ Posts: 203 image  Master Member
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    current: V5.37(ABUI.2) / 2024-01-20 02:37:15

    before was V5.37(ABUI.1)

    One of our iMacs could no longer obtain an IP via DHCP on eth0, so I restarted the F200 (still on ABUI.1). After that, the VPNs that worked fine before failed. After that I updated the FW – which did not solve the problem.

    Will send the cert via PM

  • Zyxel_James
    Zyxel_James Posts: 839 image  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate 100 Answers
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    @StefanZ

    I cannot produce the issue on 5.37P1, and we haven't received a similar issue recently.
    Please re-generate the certificate as a workaround, meanwhile, I will pay attention to this kind of issue.

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