Ssl vpn disconnects frequently fortigate. May 16, 2022 · I'm facing a strange issue with FortiClient (7. Windows 11 22H2 and 23H2. Nov 24, 2022 · FortiGate. Go to VPN > SSL-VPN Settings and enable SSL-VPN. Jun 11, 2021 · I have a FortiGate with SSL VPN enabled, and my users are connecting with Forticlient. I am using SSL VPN on our corporate but my connection drops frequently and this is annoying about working. 7) Try changing the MSS value on the related VPN policy. 2281 connecting to the 100D patch 2 appliance. Previous Download FortiClient VPN, FortiConverter, FortiExplorer, FortiPlanner, and FortiRecorder software for any operating system: Windows, macOS, Android, iOS & more. Below are some examples of speed test without and with vpn. Seems no problem when connected via ethernet cable. Apr 26, 2024 · User's hot-spot's via their iPhones and are able to navigate the web but have trouble establishing SSL VPN connection and have issues staying connected. 0462 There have Jan 5, 2022 · We have a Fortigate 600E, in which on latest couple of weeks we've been having a continuous problem with IPSec VPN users being disconnected very often (some within few minutes). All looks ok, but vpn conatantly drops. Oct 17, 2017 · Sorry for the delay, i was *way* busy I had a similar problem with SD-WAN where i work: replies from the ssl vpn were load balanced among our links, i observed traffic going out to wan2 with wan1's IP. Table of Contents. If there is a conflict, the portal settings are used. I hope you can help me. Solution: Different methods are available to disable the SSL VPN functionality on FortiGate in both the GUI and CLI, depending on the FortiOS version. It was solved with this: config vpn ssl settings. We are running 6. All seems to work fine, but users immediately logout after the credentials are checked. Here is the debug log please help. Problem started after the upgrade of the forticlient to 7. 9) drops numerous times a day. LEDs. I have EMS and the connections are working as intended. set route-source-interface enable. We have the following versions: Fortigate:7. 2 build0234. 0864, disconnecting the VPN connection on random times when connected via WLAN ethernetcard. Please ensure your nomination includes a solution within the reply. 2) The connection will drop from different locations and different vpn users. Log & Report -> VPN Events in v6. 7 SSL VPN off a FortiEMS and connecting to a Fortigate 600E firmware 7. Apr 29, 2020 · There is no response from the SSL VPN URL. set ssl-min-proto-ver tls1-1. I understand that a VPN relies on a solid uninterrupted network connection and if that fails, even briefly, it can cause the VPN to drop. Dear Team, I have Fortigate 101F servicng as SSL VPN firewall. 9. In FortiOS, verify the VPN is down in Dashboard > Network > SSL-VPN widget. 0864. 9, FortiGate 6. Some are on the older v6 of the client, some are on v7. I see a bug "613716 SSL VPN sends packet using wrong interface causing disconnections. Getting started. Configure SSL VPN settings in the GUI (for 7. 7/7/2022 3:10:12 PM info system dat Jul 11, 2013 · Hi So its definitely an VPN Client issue on your specific laptop. When I was working at home recently，Discovered that SSL VPN is disconnected every eight hours，Connect to Fortigate to view settings，Only find the option of "Idle Forced Logout"，And his default value happens to be 28,800 Second (8hour)，So first treat it as an equipment show，This setting was applied by mistake，But after changing this setting，But it will still be disconnected in Jan 24, 2023 · We have a client who is running Forticlient 7. My firewall is turned off and i couldn't find a solution on the internet. The log only shows this when the VPN is disconnected: Dec 12, 2023 · The reasons why your VPN keeps disconnecting at random can range from the simplest of you joining an overcrowded server to more difficult ones as device issues. In the case one FortiClient disconnects the FortiGate creates an SSL VPN event claiming "DH lib error" even though the TLS/SSL versions on the client and the FortiGate match. Using the CLI. 1. Some users have to reconnect more than 10 times a day. Using the GUI. Can you please advise w Jun 22, 2022 · However, authentication failover is supported for SSL VPN web mode sessions. As I can see, when I turned my computer to sleep, the tunnel is disconnected "before" and I suspected this is why the tunnel doesn't reconnect We deployed a new FortiGate 81F to replace our old 100D. When my computer goes to sleep / hibernate, the VPN doesn't reconnect automatically. Thank you. This only occurs on Android, not on iOS devices. We are using forticlient to connect to SSL VPN. Some of the old versions have issues with SSL VPN, and some even have a bug where if someone changes a firewall policy in the GUI it will disconnect SSL VPN users - seen this before in the field. To troubleshoot users being assigned to the wrong IP range. Please let me know if this is normal expected behavior slow down or if there is something that we can do to improve the situation. FortiClient logs show the following errors: Nov 27, 2019 · Hey Vishal, Thanks for your reply. x and Nov 17, 2022 · 6) It is possible to change the TLS protocols being used on FortiGate for SSL-VPN. Oct 11, 2017 · I had a similar problem with SD-WAN where i work: replies from the ssl vpn were load balanced among our links, i observed traffic going out to wan2 with wan1's IP. Also a few of those users have File Access Problems. 4) and when I dial the VPN it connects successfully, but after about a minute the VPN disconnects. Nov 24, 2020 · Hi, Users running Forticlient on Android, get disconnected from the SSL VPN. Pings never fail or timeout, but I get disconnected from my RDP sessions every minute or so, making it completely unusable. diag debug app sslvpn -1. Out of 200 users 2 of them are facing issue, FOrtiClient get connected but disconnect immediately after 5 seconds. This issue occurs in environments with 2 or more interfaces configured with SSL VPN and internet access. After about 8 hours or so being connected via a VPN connection my VPN session automatically terminates/disconnects and requires me to manually reconnect. 0. Log & Report -> Events and select 'VPN Events' in 6. Apr 9, 2022 · Solved: Hi! My SSL VPN always disconnects after 6 minutes. (Reached) The FortiClient VPN try to connect but still stuck at 40%. Disable Enable Split Tunneling so that all SSL VPN traffic goes through the FortiGate. In theory it shouldn't cause any issues but depends on how the CGNAT is deployed. x code. firmware version : V5. Thanks in advance. Go to Policy -> IPv6 policy and make sure that the policy for SSL VPN traffic is configured correctly. To set the SSL VPN authentication timeout – web-based manager: Go to VPN > SSL-VPN Settings. The default timeout is 300 seconds. At what percentage does the connection disconnect. Once done , while being connected, you will not be disconnected again automatically. What could be the cause? Please help. The version of forticlient I use is 6. FortiOS 6. Yes DTLS is enabled, which made VPN go alot faster so we left it on. 0 versions. 9) when using the FC to connect to the SSL VPN, I have constant disconnects with Outlook and RDP sessions. Your Internet Connection Is Too Slow Dec 4, 2017 · This article is a quick reference to resolve a disconnection issue with VPN SSL in tunnel mode using multiple interfaces with multiple default routes Solution. Set the Listen on Interface(s) to wan1. Multiple clients report inconsistent issues with client disconnects even when client is NOT idle. Authentication failover is not supported for FortiClient SSL VPN sessions. Nov 19, 2018 · FORTICLIENT SSL VPN RANDOMLY DISCONNECTS. 70345) on all our laptops, the problem is that the FortiClient VPN keeps on disconnecting even though the internet connection is available on the laptops. Jul 3, 2013 · SSL VPN Client frequent disconnects We have our users on the SSLVPN client version 4. Sep 13, 2021 · This article describes the log related to the SSL VPN portal setting 'limit-user-logins' which limits each user to one SSL VPN session at a time. diag debu console timestamp enable. diag debug app fnbamd -1. Disconnect from VPN, shut down the FortiClient application and open it and connect to VPN again. Disconnect the current VPN connection by going to clicking Disconnect on the FortiClient Remote Access tab. I see "connection is down" in every 1-2 hour. Solution Check the idle timeout value set in FortiGate. 6, setting up the ospf and the telnet vpn-ip: 9043 is work. The maximum timeout is 259 200 seconds. This is happening intermediately. Any help would be appreciated. Apr 29, 2024 · User's hot-spot's via their iPhones and are able to navigate the web but have trouble establishing SSL VPN connection and have issues staying connected. 5. Here are the most common reasons for why your VPN keeps turning off or disconnecting. Using the same IP Pool prevents conflicts. 7 Apr 22, 2020 · how an SSL VPN connection does not get disconnected even after the connection is idle for a long time. Your Forticlient SSL VPN users might experience frequent disconnects, even if “Always On” check box is checked in Forticlient’s login window. # config firewall policy. Jun 21, 2023 · Hi, We are using FortiGate firerwall(v7. Log & Report -> VPN Events in v5. Apr 28, 2021 · When an SSL-VPN gets disconnected without the user intentionally pressing the Disconnect button, shutting down the PC or such, FortiAnalyzer logs the reason for the SSL tunnel shutdown either as "Lost the connection" or as "User requested termination of service". x. Here is configuration that works. 4 Forticlient app 6. Scope: FortiClient. 5, i have no bandwidth control configured in FTG. This means that after a failover, SSL VPN web mode sessions can re-establish the SSL VPN session between the SSL VPN client and the FortiGate without having to authenticate again. x, 6. Mar 29, 2022 · The tunnel disconnection could be caused due to ISP issues, client-side issues or packets not reaching FortiGate's SSL VPN process. x, 7. Mar 13, 2020 · Ever since upgrading my 200D to 6. 9 build 0444. Go to VPN > Monitor > SSL-VPN Monitor to verify the list of SSL users. Oct 17, 2022 · We have setup our Fortigate 80F to connect to our AzureAD. 5 (now 6. So either if we connect through the webinterface or the FortiClient software, we fill in the credentials of the user. 2. Go to VPN -> SSL-VPN Settings and check the SSL VPN port assignment. Dashboards and Monitors. Is there any Keep Alive setting in Fortigate that can be used to prevent this from disconnecting or keep the The following verifies that FortiClient can connect to the VPN during Windows logon. Users can connect without any issue, and RDP to a host inside the network, but frequently get disconnected. " I wish it was a bit more descriptive as if it was random or all the time. Basic administration. The historic logs for users connected through SSL VPN can be viewed under a different location depending on the FortiGate version: Log & Report -> Event Log -> VPN in v5. I installed latest forticlient SSL VPN (5. This VPN is from a company and some users does not have this problem. Mar 24, 2020 · Nominate a Forum Post for Knowledge Article Creation. 2) but tunnel got disconnect frequently in few hours and Had to reboot 60D always to get the tunnel bring up . It was solved with this: config vpn ssl settings set route-source-interface enable end May 26, 2020 · Hello, I am presenting a problem with my Fortigte and the VPN, this happens when I connect to a computer by Remote Desktop, after a few seconds the session disconnects me, my computers is a Fortigate 300B and the Firmware is FortiOS v6. Solution . diag vpn ssl debug-filter src-addr4 <client-public-ip> diagnose debug enable UDP was enabled on the RDP traffic and DTLS was enabled on Forticlient's SSL-VPN. However, be aware that once an SSL VPN client is connected, a change to firewall address objects or IP pools under SSL VPN settings in a production environment will tear down all of the active SSL VPN connections regardless of the configured timeout period described above. 60C running a single vdom. On waking up the Forticlient is basically locked up and won't reconnect (requiring a r Oct 20, 2023 · Ultimately, Windows 11 may be unable to connect to the SSL VPN if a) the ciphersuite setting on the FortiGate has been modified to remove TLS-AES-256-GCM-SHA384, and b) an SSL VPN authentication rule has been created for a given User Group that has the cipher setting set to high (which it is by default). 4. " I already checked and changed idle-timeout and authentication-timeout with no success. # config vpn ssl settings. I've never noticed this behaviour before. 5). Jan 8, 2020 · A new SSL VPN driver was added to FortiClient 5. Dec 18, 2020 · Each time, the WiFi is still connected and I can immediately reconnect the SSL VPN with no issue. Solution To lift this restriction, it is necessary to disable the 'limit-user-logins' setting: # config vpn ssl web portal edit <portal_name> set limit-user-logins disable next end Sep 10, 2009 · I am having trouble with the SSL-VPN on Fortigate 200 across multiple V3. The RDP Java window just disappears, usually on a mouse cl Oct 19, 2018 · I'm having some problems to maintain my VPN connection using FortiClient 6. On the FortiGate, go to Log & Report > Forward Traffic and view the details for the SSL entry. The login is validated and immedi Apr 26, 2024 · User's hot-spot's via their iPhones and are able to navigate the web but have trouble establishing SSL VPN connection and have issues staying connected. This will narrow the the issue. Go to VPN -> SSL VPN Settings, then deselect 'Enable SSL VPN' as shown below: Apr 13, 2017 · FortiGate with SSL VPN. Mar 20, 2023 · I'm using FortiGate 7. What I cannot work out is why the VPN is dropping and why it started after my upgrade to Windows 10 2004. Disconnection happens in as little as 5 minutes. Set Listen on Port to 10443. Mar 11, 2016 · I am having FG60D device successfully connect to azure using FortiGate Cookbook - IPsec VPN to Microsoft Azure (5. May 9, 2020 · config vpn ssl settings set route-source-interface enable end . SSL-VPN is more CPU intensive on the Fortigate so make sure you have a unit capable of handling the traffic load if you look to go in this direction and try to stick to tunnel mode. Ever since, my users are complaining that their VPNs are disconnecting multiple times throughout the day. The idle-timeout value will be in seconds. Nominating a forum post submits a request to create a new Knowledge Article based on the forum post topic. nothing on logs Aug 26, 2021 · Set the SSL VPN user authentication timeout (Idle Timeout) to control how long an authenticated connection can be idle before the user must authenticate again. The first reason is expected, the second isn't. Go to VPN -> SSL-VPN Portals and VPN -> SSL-VPN Settings and ensure the same IP pool is used in both places. 3. end . So for example 6. 6. Jan 17, 2017 · Forticlient VPN disconnects after 5 - 10 minutes I have 4 computers using Forticlient VPN, 3 of them are working without troubles (2 acer, 1 lenovo), but I have an HP Pavilion, and everytime I connect to VPN, I lost the connection after 5 or 10 minutes. A VPN down notification appears on the endpoint. 9 and later). The error does not necessarily indicate a problem with FortiGate if only 1 user or certain users are having issues. Are you able to login to SSL-VPN browser CHECK the settings of fortissl VPN adapter. 0277, fortigate version 6. If there are optional alerts for when the VPN disconnects in your app settings, enable them. Have you tried accessing the SSL-VPN using the browser. 9 build0335 (GA) , I don’t know if it’s the firmware version or some misconfigured policy. Latency or poor network connectivity can cause the default login timeout limit to be reached on the FortiGate. 0 and later to resolve SSL VPN connection issues. Sometimes frequent disconnects (every 60-90minutes), other times the connection stays connected for hours. The event viewer in "Application" under the source "RasClient" it says: CoId={31DF16A3-7AC3-45CF-A5C5-07DF259A42EB}: The user SYSTEM dialed a connection named fortissl which has terminated. phase 1 proposal : encryption AES 128 authentication SHA256 We have a SSL VPN for our corporate users on a Fortigate 5001V (daily average users 10-15). 8 for the 6. I' ve did some tests and pings from my office (diferrent machine than the one on SSL VPN conneciton) to the FG drops when VPN drops. Go to VPN > SSL-VPN Portals to edit the full-access portal. When I connect using forticlient and try to download a large file from a server or run a SQL query, forticlient disconnects. I solved my problem where the Forticlient VPN in windows 7 was getting disconnecting every 10 seconds or so: Please see the image; in windows 7, you have to go to > Control panel> Internet options> Connections> Then 'remove' the connection named 'fortissl'. Reaching device limit Oct 21, 2020 · Same problem with over 100+ VPN clients. The disconnects occur random, sometimes after a couple of minutes, sometimes it stays connected for over 30 minutes. Sep 28, 2016 · Result: Setting the 'auth-timeout' to 3600 sec will disconnect user 2 but not user 1. Configure SSL VPN settings. SSL VPN debugs on the FortiGate do not show any errors. Using FortiExplorer Go and FortiExplorer. Troubleshooting your installation. . Mar 8, 2023 · This article describes how to solve an issue when users are not able to connect to the SSL VPN using FortiClient. ” When it does this, event viewer logs error 633 or error 631 (it seems to toggle between the two) and error 720. If your FortiOS version is compatible, upgrade to use one of these versions. 7 Mar 27, 2017 · SSL VPN Client/ Tunnel Mode . Continue reading this article to find the most common and challenging reasons for your VPN disconnecting and reconnecting at random. However, no matter what I do with the “IDLE timeout” setting, it will disconnect users after exactly 8 hours, and this is very frustrating for many of users as they tend to need be online for more Feb 5, 2015 · When dialing into the VPN on a specific machine, it either hangs at 98% for a long time and then fails, or it says “connected” and then immediately “disconnected. Also check the 'Restrict Access' settings to ensure the host you are connecting from is allowed. We've been making some testing and users on SSL VPN do not suffer from the same issue, SSL VPN is much more stable than IPSec. config vpn ssl settings set auth-timeout 259200 set idle-timeout 259200 end Apr 24, 2020 · Hi everyone Some of our user's FortiClient IPsec VPN connection (Windows 10 x64, FortiClient 6. show full vpn ssl setting | grep "idle-timeout" The default idle-timeout value is 300 I am using a Fortigate 40F running version 7. When trying to connect, it is stuck at 98%. Forticlient VPN free version 7. but ping from the remote network to internet are unnaffected. Everyone internet speed slows down as soon as they connect to vpn. 5 build1517) and the FortiClient SSL VPN(v7. 7 Jan 18, 2023 · Try to collect logs and reproduce the issue (wait for unless you disconnected): show vpn ssl settings. Jul 8, 2021 · SSL VPN connections disconnects suddenly every 5 - 10 minutes. We use the free SSL VPN client and the users connect on the Windows login screen so that drives will map when they login. Check the URL to connect to. 1) No, the internet connection was stable all the time. Forticlient works like a charm until the system goes to sleep/hibernation. May 17, 2021 · I have a fortigate 200E, I have configured an SSL VPN to access network resources remotely. Next, have them adjust in CLI the following: conf vpn ssl settings set auth-timeout 259200 Aug 14, 2024 · Not every VPN automatically tells you when the connection drops. This portal supports both web and tunnel mode. 4 and the release notes will not load for me, but in the resolved issues on 6. The connection simply drops while they are working, and for no apparent reason as applications suc Jun 27, 2013 · I' m having the same problem since upgraded to 5. edit (id) set tcp . 6, build711 . Phone No should be 1 Apr 30, 2024 · Multiple users connecting to the FortiGate from potentially the same egress IP. I have the keep_running and autoconnect_tunnel set to 1. Some users are having issues with keeping a solid connection. For example: - The FortiGate has interfaces wan1 and wan2 connected to Internet. We have just one WAN connection (dissconnecs frequently daily) . gnrjflsrhhomyjkkvbjdhunhklyypozggvamcqythlcjjdqnrce
