We are facing a spike in support requests regarding FortiClient VPN and want to share this information with you.
FortiClient VPN Split-Tunneling not Working Anymore
FortiOS 7.6 Important Change for SSLVPN
After the significant updates that have been introduced since 7.4.4 regarding proxy-based inspection, the next important announcement will be published. If you’re using a FortiGate model with 2GB of RAM or less, there’s a critical update you need to be aware of: the SSL VPN web and tunnel mode features…
IPsec problem with Windows 10/11 and Realtek Network card
There are issues with some drivers for Windows 10 and Windows 11 when using IPsec VPN. The IPsec tunnel cannot be established. On both operating systems the issue is related to the driver of the network card. The problematic driver was deployed via Windows Update. In many cases the network…
Update June 2023: IPSec VPN Issues: No traffic through the tunnel caused by dropped ESP packets on the DSL modem
We have recently seen an accumulation of problems with IPSec VPN tunnels. The problem was recognized by Swisscom and fixed with a new firmware. Further information can be found in the release notes (on this page). The firmware version from which the problem was fixed is: 9.52.12 B16++ (June 2023).
FortiGate Custom Language
If you want to use custom languages on FortiGate generated websites, like the SSL VPN page, you can add additional self-made translation files to the FortiGate. Note at the beginning: This is a new feature under FortiOS 6.4.5 . It was available before but was not working. First you need…
Fortigate S2S-Dialup VPN – Traffic does not run through IPsec tunnel anymore
After Fortigate upgrade v6.4 > v7.0.1 (or later) the S2S-dialup VPNs did not work anymore. Tunnel negotiation is successful and phase 1 and 2 get up. Traffic from spoke is routed into the tunnel, but is seems that the traffic is not received by the hub.
FortiGate lots of “SSL user failed to logged in” events
Last Update: 31.07.2024 Since last week, we observed a lot of failed SSL-VPN login events on various FortiGate setups. (Edit: That was back in August of 2021 and the big “scanning” ended around two weeks after it has started. But messages are still shown from time to time, since scanning…
FortiGate SSLVPN Update-Empfehlung
Update, Nov 2020: More than a year after Fortinet described this SSLVPN vulnerability, it gets new attention. A few days ago a list of IPs and domain names of vulnerable Fortigates was published. This list is dated November 2019 and one can only hope that many of these systems have…
Fortigate VM Azure: IPsec performance issue
Based on two recent support cases regarding the IPsec performance between an OnPrem and Azure FortiGate, we did some testing using the latest FortiOS 6.4.1. We’ve created a basic IPsec tunnel using the wizard, deployed an Ubuntu machine at both sites and used iPerf3 to do some speed testing. The…
Corona-Info: Support Links for Home-/Remote-Office and MultiFactor Authentication
Here you will find the most important support links of our vendors regarding Home-/Remote-Office, Dialup VPNs and MultiFactor Authentication:
