Fail to login FortiClient VPN on iOS 15 device

Question

My Apple device running iOS 15.6.1 is failing to connect to FortiClient VPN

IOS 15.6.1 (FortiClient 7.4.2.0151) – Not work * No popup for enter the username and password

IOS 18.1 (FortiClient 7.4.2.0151) - OK

Does anyone know if there is any compatibility issue between FortiClient 7.4.2.0151 and devices running iOS 15.6.1?

sjoshi · Answer

Hi roy,

Please share below output while connecting the VPN.

PuTTY SSH1:
------------

get vpn ssl monitor
diagnose vpn ssl list
diagnose firewall auth list
dia vpn ssl statistics
exec vpn sslvpn list
get system status
diag vpn ssl stat

PuTTY SSH2:
------------

diag sys flash list
diag debug reset
diagnose debug console timestamp en
diagnose vpn ssl debug-filter src-addr4 x.x.x.x - Here x.x.x.x is the public IP of the user connecting.
diag debug appl sslvpn -1
diag debug appl fn -1
diag debug enable

wait till the VPN disconnect, disable the logs by executing

diag debug disable
diag debug reset

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