Forticlient VPN thru USGFLEX50

umangini25362
umangini25362 Posts: 3 image  Freshman Member
First Comment
in Security

Hi everyone.
I need to let my notebook connect to an external VPN on a fortigate via IPsec (FortiClient IPsec).

Everything works fine except for being at office where my USGFLEX50 seems not to let me connect to the external fortigate.
Obviously my notebook has no filters outgoing and I can see IKE packet ougoing correctly but nothing else…
Ideas?

All Replies

  • Zyxel_Melen
    Zyxel_Melen Posts: 3,916 image  Guru Member
    Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

    Hi @umangini25362

    You will need to ensure:

    1. If you can reach the VPN server. Please note that the protocol that FortiClient IPsec needs to be allowed on USG FLEX 50 from LAN to WAN.
    2. If it is allowed, please check the logs on fortigate to find the reason for failing.
    Zyxel Melen


  • PeterUK
    PeterUK Posts: 4,099 image  Guru Member
    250 Answers 2500 Comments Friend Collector Eighth Anniversary

    If needed test without FLEX 50 to rule out other problems

  • umangini25362
    umangini25362 Posts: 3 image  Freshman Member
    First Comment

    Thank you Zyxel_Melen and PeterUK for your kind answare.

    Yes: I can see IKE packet outgoing to the Fortigate correctly (but nothing more) and yes, I can mount VPN without FLEX50 in the middle.

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