Help on SSL VPN with secure extender

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shashank
shashank Posts: 4  Freshman Member
First Comment
edited April 2021 in Security
Hi,
We've an USG60 Security firewall
we have configured SSL VPN on the device
Client secure extender Version is 4.0.2.0
the connection was disconnecting with secure extender client continuously.
Windows 10 Operating system


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  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,462  Zyxel Employee
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    Hi @shashank,
    Can you send me the following items via private message for analysis.
    • C:\SecuExtenderHelper.log
    • C:\Users\[windows account]\SecuExtender.log
    • Startup configuration file.

  • shashank
    shashank Posts: 4  Freshman Member
    First Comment
    edited May 2018
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    Hello Cooldia,
    Shared the details through message and startup config file.


  • [Deleted User]
    [Deleted User] Posts: 118  Zyxel Employee
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    dear @shashank

    As you know SecuExtender uses SSL on the HTTPS protocol..
    Simpel test to see normally if you have setup things right is that you enter the adress you normally enter in SecuExtender in your browser.

    Are you able to see the logon (webgui) of the zywall/usg
    If not maybe you configured that intentionally, or else i think your port settings are not default.
    That means if you change the https port you also should add the new port in the adress tab of secuextender like : 129.129.123.12:4433


    Or are you behind a NAT router possible?
    That means you have to port forward https to the zywall..
  • Zyxel_Cooldia
    Zyxel_Cooldia Posts: 1,462  Zyxel Employee
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    @Mark, Thanks for the hint.
    @shashank
    From the log, it looks like secure extender client is unable to connect to USG. please try it again with Mark’s suggestion.
    ~~~~~~~~~~~~~~
    [ 2018/05/09 15:46:11 ][SecuExtender Agent][INFO]    [SSL_VPN_USER_1] try to login x.x.x.x:8443
    [ 2018/05/09 15:46:11 ][SecuExtender Agent][INFO]    Connect to 3075629723:8443
    [ 2018/05/09 15:46:14 ][SecuExtender Agent][ERROR]   Cannot connect to device. 10053 (0x2745)
    [ 2018/05/09 15:46:14 ][SecuExtender Agent][ERROR]   Connect socket failed. (0x0)
    [ 2018/05/09 15:46:14 ][SecuExtender Agent][ERROR]   Failed to connect to device(1) (0x0)
    [ 2018/05/09 15:46:14 ][SecuExtender Agent][ERROR]   user login device failed (0x0)
    [ 2018/05/09 15:46:15 ][SecuExtender Agent][DEBUG]   SSL Connection is going to be closed
    [ 2018/05/09 15:46:15 ][SecuExtender Agent][DETAIL]  Connection ends.
    ~~~~~~~~~~~~~~

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