I faced the same issue: sudo tail -f /var/log/forticlient/sslvpn.log :
20231209 18:05:50.952 TZ=+0200 [sslvpn:DEBG] vpn_connection:1349 Login
process end on status: 020231209 18:05:50.952 TZ=+0200 [sslvpn:INFO]
sslvpn:824 Login successful20231209 18:...
