SSLVPN port blocking since USGFLEX100 firmware update ver V5.37(ABUH.1)

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Infosetel2020
Infosetel2020 Posts: 21 image  ZCNE Certified
Zyxel Certified Network Administrator - Security First Comment Friend Collector Fourth Anniversary
in Security

Hi,

We are experiencing problems since the firmware update of a USGFLEX100 unit with firmware V5.37(ABUH.1) and SSLVPN connection.

WAN connection with authorized access port to the SSLVPN connection from only Spanish IP's. Before upgrading to the new firmware version everything worked fine. Since upgrading to the new firmware version, this has stopped working.

If we disable the restriction by IP Geophraphic IP, the connections will work again but from anywhere in the world and this would not be a good performance of the firewall security.

Best Regards,

Juan Antonio

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  • Zyxel_Emily
    Zyxel_Emily Posts: 1,492 image  Zyxel Employee
    Zyxel Certified Network Administrator - Security Zyxel Certified Sales Associate 100 Answers 1000 Comments
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    Hi @Infosetel2020,

    Thanks for reporting this issue to us. We will run the test and update the test result with you.

  • Infosetel2020
    Infosetel2020 Posts: 21 image  ZCNE Certified
    Zyxel Certified Network Administrator - Security First Comment Friend Collector Fourth Anniversary
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    Hi Emily

    Today I tried it again and it already works.

    Thank you!

    Juan Antonio

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