Fortinet vpn idle timeout. The idle-timeout value will be in seconds.
Fortinet vpn idle timeout x, v7. I am using a Fortigate 40F running version 7. Solution For reference, IPsec dialup tunnels (such as those used to connect FortiClient to a FortiGate via IPsec) wi Jun 11, 2021 · The idle timeout is something different. Specify the desired tim. e. When you configure the timeout settings, if you set the authentication timeout (auth‑timeout)to 0, then the remote client does not have to re-authenticate again unless they log out of the system. Three types of group timeouts can be configured: idle, hard, and session. And if that fails to next try enabling the timeout settings on the phase2 interface. --- config vpn ssl setting set idle-timeout 0 set auth-timeout 0 <omit> end --- Monitoring in “Dashboard>U Dec 30, 2018 · Hello All, I want disable vpn Idle-timeout for particular users ,the default time is 300 seconds, if i change idle-timeout it will effect for all The idle timeout period is the amount of time that an administrator will stay logged in to the GUI without any activity. 0. I haven't came across anything about this here on the forum other than VPN Apr 28, 2019 · You 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. Solution Below are some of the things to keep in mind when working with SSL VPN disconnection issues: Understand the scope of the issue, i. You would think that the issue was the "set idle-timeout" parameter, but that is set to 0. You can extend it till 72 Hours (259200 seconds). ScopeFortiOS v6. A setting of higher than 15 minutes will have a negative effect on a security rating score. ScopeFortiGate, all firmware. ScopeFortiGate. Three types of user timeouts can be configured: The authentication timeout time is configured in minutes. Solution SSL VPN timers can be configured through CLI. To configure IPsec tunnel idle timeout: config vpn ipsec phase1-interface edit p1 set idle-timeout [enable | disable] set idle-timeoutinterval <integer> IPsec tunnel idle timeout in minutes (10 - 43200). 2. If the idle-timeout is not set to the infinite value, the system will log out if it reaches the limit set, regardless of the auth-timeout setting. , whether all users or Dec 20, 2024 · Hello all, I would like to change or disable VPN Idle-Timeout for only two users or, if it is not possible to change for user, can it be changed for specific profile in which certan users are added. To fully take advantage of this setting, the value for idle-timeout has to be set to 0 also, so that the client does not time out if the maximum idle time is reached. May 19, 2025 · a scenario where an IPsec Dial Up Tunnel is configured in the FortiGate using the IPsec Wizard Template, and while connecting to the IPsec Dial Up VPN from the FortiClient, getting 'Timeout while connecting to <remote_gateway_ip>' error, and unable to connect to the VPN: ScopeFortiGat Setting the idle timeout time The idle timeout period is the amount of time that an administrator will stay logged in to the GUI without any activity. how to force the Dialup IPsec client to re-authenticate after a configured time (with failure to do so leading to the client being disconnected from the VPN). In order to fully take advantage of this setting, the value for idle‑timeouthas to be set to 0 also, so the client does not timeout if the maximum idle time is reached. high High algorithms. Nov 12, 2024 · FortiClient SSL VPN Advanced Features (Idle-timeout, auth-timeout, Auto Connect, Always Up, Password Policy, Login Session, etc) Feb 16, 2012 · Best practices for auth-timeout and idle-timeout in sslvpn Which is the best practices for the sslvpn timeout settings you are using ? My problem is that when a SSLVPN disconnected due to line problem (and not by the user), the VPN cannot reconnect before the idle-timeout. ScopeFortiGate, FortiClient. config vpn ssl settings set idle-timeout <SSL-VPN disconnects if idle for specified time in seconds. 2 build0234. Oct 27, 2025 · how to adjust the negotiation timeout for the IPsec tunnel on a FortiGate device. May 30, 2023 · Enable the idle timeout setting and specify the desired timeout value. Solution IPSec Protocol Basics. 1. I'd like to limit my IPSec clients to a 15 hour maximum session connection and then kick them off, which is my standard for SSL. 2 and above. Solution The client authentication timeout controls how long an authenticated user will remain connected to Feb 12, 2023 · When no traffic has passed through the tunnel for the configured idle-timeout value, the IPsec tunnel will be flushed. What you are talking about seems to be authentication timeout or auth-timeout. ScopeForitGate v5. # config vpn ssl setting set idle-timeout 300 set auth-timeout 28800 end Jun 4, 2012 · config vpn ssl settings Parameter Description Type Size Default algorithm Unified SASE FortiSASE Secure SD-WAN Zero Trust Network Access (ZTNA) FortiProxy FortiMonitor FortiGate Public Cloud FortiGate Private Cloud FortiGate CNF FortiFlex Lacework FortiCNAPP FortiClient | FortiClient Cloud FortiWeb FortiADC FortiAppSec Cloud FortiDAST More >> To configure the basic SSL-VPN settings for encryption and login options, go to VPN > SSL-VPN Settings. Mar 29, 2022 · random or intermittent disconnections of the SSL VPN tunnel to the FortiGate when connected with FortiClient. If the idle-timeoutis not Mar 28, 2025 · The VPN connection will be broken if the computer connected by FortiClient with the following settings does not send or receive packets passing through the VPN for 259200 seconds (3 days). config vpn ipsec phase1-interface edit p1 set idle-timeout enable/disable set idle-timeoutinterval <integer> //IPsec tunnel idle timeout in minutes (10 - 43200). Once the idle timeout is configured, the FortiGate will monitor VPN sessions for activity. Jun 21, 2025 · the common causes of IPSec VPN disconnection issues and provides a systematic approach to troubleshooting intermittent disconnections in FortiGate IPSec VPN deployments. Solution Check the idle timeout value set in FortiGate. Oct 19, 2022 · This article explains how to configure the client-to-site IPsec tunnel (C2S) to automatically close after a specified duration. ScopeFortiOS. How can I either lengthen that time or disable the timeout? They would like to set this to stay connected for 3 days (36 hrs) though we will ask users to log out at the end of their workday. This behavior is often influenced by default settings and configuration changes within the FortiGate firewall. AUTH-TIMEOUT controls the active session time (in seconds) Apr 22, 2020 · how an SSL VPN connection does not get disconnected even after the connection is idle for a long time. set idle-timeout {integer} SSL VPN disconnects if idle for specified time in seconds. 0 Download PDF Copy Link Idle timeout To ensure security, the idle timeout period should be short. range [0-259200] set login Oct 5, 2022 · I am looking to view what the timeout session is for an IPSEC VPN network. medium High and medium algorithms. IPsec VPN in the web-based manager To configure an IPsec VPN, use the general procedure below. I can't quite figure out how to word this Setting the idle timeout time Setting the idle timeout time The idle timeout period is the amount of time that an administrator will stay logged in to the GUI without any activity. Note - we are using dialup vpn in fortigate firewall. Solution Session TTL can be set globally using the ‘default’ variable of the ‘config system session-ttl’ command. By default, an SSL VPN connection logs out after 8 hours. Nov 15, 2024 · Hi there We are rolling out MFA to our Forticlient VPN users. Solution To change the idle timeout via GUI: 1) Go to system -> settings 2) Change the idle timeout in minutes (1 to 480 minutes) as required. Default Settings of SSL VPN on FortiGate Session Timeout: By default, FortiGate devices have a session timeout setting that determines how long an SSL VPN connection remains active without user activity. Solution DPD options can be found in the GUI section: DPD modes on FortiGate: On-Demand. end end Sep 11, 2019 · Description This article explains how to configure GUI idle timeout via GUI or CLI. After speaking to Fortinet TAC, the recommendation is to disable 'set client-keep-alive' on the Fortigate. This article explains what determines whether a session could remain in the session information table or should be purged (timeout) after the session becomes inactive. Jul 2, 2011 · Timeout Authenticated users and user groups can have timeout values per user or group, in addition to FortiGate-wide timeouts. Save the configuration changes and apply them to the FortiGate. Solution In broad scope, session TTL (Time-to-live) defines the amount of time that FortiGate keeps a session in its ses The Fortinet Cookbook contains examples of how to integrate Fortinet products into your network and use features such as security profiles, wireless networking, and VPN. If the FortiGate will act as a VPN client and you are using peer IDs for authentication purposes, enter the identifier that the FortiGate will supply to the VPN server during the phase 1 exchange. Hey all, I am currently running the free version of the FortiClient running on a Windows 10 Pro Machine. Values are in seconds. When user clicks connect a popup window appears for the SMAL idp, titled "Forticlient SAML Authentication". The default session timeout set in the ‘default’ variable can rang 6. The default is five minutes. Furthermore, it removes the necessity for re-authentication when reconnecting, making the process more efficient Dec 20, 2024 · Hello Please be advised that, the the Idle Timeout for SSL VPN is part of its global settings and hence, it cannot be modified at the user level or profile level. Sep 28, 2016 · the default settings on SSL VPN and the consequences of configuration changes to SSL-VPN settings in a production environment. By default, it is set to five minutes. 8 hours), detect idle time not disconnect on set time?? i mean if the user is not using the tunnel and has a laptop running, is it possible to disconnect the remo Timeout Authenticated users and user groups can have timeout values per user or group, in addition to FortiGate-wide timeouts. Setting the idle timeout time The idle timeout period is the amount of time that an administrator will stay logged in to the GUI without any activity. Log in to the web admin console. FortiGate Public Cloud FortiGate Private Cloud FortiGate CNF FortiFlex Lacework FortiCNAPP FortiClient FortiClient Cloud FortiWeb FortiADC FortiAppSec Cloud FortiDAST More >> FortiAnalyzer FortiAnalyzer Cloud FortiSIEM FortiSIEM Cloud FortiSOAR SOC-as-a-Service (SOCaaS) FortiAuthenticator FortiAuthenticator Cloud FortiPAM FortiSandbox Hey guys, I am having an issue with an SSL VPN. Solution By default, the FortiGate IPsec idle-timeout starts the timeout when the user's IP is silent (no packets from that device hitting the FortiGate). After 30 minutes (set auth-timeout 30) of continued silence the session is dropped. This feature enhances the user experience by maintaining the tunnel in an idle state, which allows for uninterrupted usage even after a client resumes from sleep or when connectivity is restored after a disruption. Any Ideas? Thanks for any help. Disable: This mode is suitable in highly stable environments where DPD overhead is unwarranted. There is a timeout counter in the tile window that starts counting down from 300 seconds. It times out at 8 hours. With these steps, your FortiGate unit will automatically generate unique IPsec encryption and authenti… The default setting for SSL-VPN authentication timeout is 8 hours, but it can be configured to anything you want. They sometimes wor Aug 11, 2022 · the 'auth-timeout' setting for SSL-VPN, explicitly differentiating between the firewall authenticated users' timeout and ssl-vpn users' timeout. Use phase1-interface to define a phase 1 definition for a route-based (interface mode) IPsec VPN tunnel that generates authentication and encryption keys automatically. Jun 13, 2025 · How to check SSL VPN connection time-out with the CLI command. Dec 18, 2017 · how to adjust session TTL values if port ranges and custom services are configured concurrently. next end Feb 23, 2023 · IPsec tunnel timeout problem Hi, I have an ipsec tunnel to a meraki MX and users behind the MX are complaining sometime that they cannot reach the resources back behind the fortigate. range [0-259200] set auth-timeout {integer} SSL-VPN authentication timeout (1 - 259200 sec (3 days), 0 for no timeout). This value determines how long the VPN session can remain idle before it is automatically disconnected or terminated. How can I set timeout for vpn users if user is doing any activity from the vpn. Jul 22, 2025 · the operation process for IPsec VPN DPD options. By default it is 8 hours in fortigate firewall. However, as an alternative, you may consider creating VDOMs as each VDOM can have its own SSL VPN settings and idle timeout can be Authenticated user groups can have timeout values per group in addition to FortiGate-wide timeouts. 3. This is to prevent someone from accessing the FortiGate if the management PC is left unattended. show full vpn ssl setting | grep "idle-timeout" The default idle-timeout value is 30 The issue is the FortiClients are not disconnecting after the 30 minutes of being idle, even overnight or days of zero user activity. Thanks We offer our VPN clients both SSLVPN and IPSec, the latter seems to work better for long SMB file copies, and it's nice to have a backup method if one fails or there is a 0day for the other (I'm looking at you SSLVPN). Solution In the CLI, open the configuration for the client to the IPsec tunnel. Connect fortigate support if you are not familiar with Apr 3, 2018 · Force idle dialup user ipsec vpn connections to drop? Hello, was curious if there's an easy way to set an idle timeout on user-initiated client to site IPSec VPN connections? Currently they seem to be able to just set there due to dead peer detection and/or keepalives, but aren't actually performing any valid work. 10 firmware version. Apr 7, 2020 · Office staff are reporting that the SSL VPN sessions all timeout after approximately 8hrs. When the popup appears, we can see in Oct 1, 2024 · Hi there, What is the default timeout for ipsec vpn users. Configure the following: Enable 'idle-timeout'. Jun 13, 2021 · Hi Can somebody explain the difference between idle-timeout and auth-timeout in vpn ssl settings? I've seen the help page but I don't seem to understand how is the end result any different between the two. 2. Jun 2, 2016 · Setting the idle timeout time The idle timeout period is the amount of time that an administrator will stay logged in to the GUI without any activity. Solution By default, an SSL VPN connection logs out after 8 hours: config vpn ssl settings set auth-timeout 28800 end Have you tried this: IPsec tunnel idle timer (244180) Add a command to define an idle timer for IPsec tunnels when no traffic has passed through the tunnel for theconfigured idle-timeout value, the IPsec tunnel will be flushed. Jun 11, 2021 · The idle timeout is something different. Idle timeout means if there is no data being sent or received over VPN, the connection will drop. ScopeFortiGate, FortiSASE. On-Idle. g. Go to the menu CLI Console. Optionally, you can create a route-based phase 1 definition to act as a backup for another IPsec interface; this is achieved with the set monitor <phase1> entry below. ScopeFortiGate. I'm using 7. We solve this immediately by doing a ping from one of the servers behind the fortigate to the local network behind the MX. default default low All algorithms. Setting the idle timeout time Setting the idle timeout time The idle timeout period is the amount of time that an administrator will stay logged in to the GUI without any activity. This will show how to check the timeout with the CLI command. Disable. The idle-timeout value will be in seconds. This idle timeout is recommended to prevent anyone from using the GUI on a PC that was logged in to the GUI and then left unattended. 0 for Disable, Default is 300 seconds> set auth-timeout <SSL Your configuration allows a ssl vpn session to remain connected for 10 hours, only if there is NO traffic on that SSL vpn session for 1 hour then the idle timeout would disconnect the session. In this mode, Fort The auto-negotiate and negotiation-timeout commands control how the IKE negotiation is processed when there is no traffic, and the length of time that the FortiGate waits for negotiations to occur. Scope Any supported version of FortiGate. x, v6. FortiOS supports session resumptions for IPsec tunnel IKE version 2. In order to fully take advantage of this setting, the value for idle‑timeout has to be set to 0 also, so the client does not timeout if the maximum idle time is reached. Aug 1, 2024 · I was connecting to this VPN using Fortinet's Windows client until a week ago, then I switched to Debian 12. It can be done via CLI. Scope FortiGate. Low allows any. 3) Select 'OK' to save the setting. After about 8 hours or so being connected via a VPN connection my VPN session automatically terminates/disconnects and requires me to manually reconnect. IPSec VPN tunnels maintain their connection status through several underlying mec Mar 17, 2021 · Hello, I have a question, is it possible if i use (vpn forticlient) with the standard settings (disconnecting the connection after e. Jan 25, 2022 · some commonly used timers relevant to SSL-VPN. Using the Cookbook, you can go from idea to execution in simple steps, configuring a secure network for better productivity with reduced risk. 6 and I can't connect it by any means anymore First, I tried Fortinet's Linux client, but Setting the idle timeout time The idle timeout period is the amount of time that an administrator will stay logged in to the GUI without any activity. x. By default, administrative sessions are disconnected if no activity takes place for five minutes. Any traffic on that SSL vpn will keep it connected until the session hits the session limit of 10 hours. The only other piece of the puzzle is that we are using Azure SSO for authentication, didn't know if that could be the cause.