FortiGate
FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.
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Staff
Staff
Article Id 193977
Description
This article provides steps to clear the random generated stale sessions in SSL VPN which can be viewed in SSL VPN monitor.

Solution
Enable 'Limit Users to One SSL-VPN Connection at a Time' in the SSL VPN portal.

If a user tries to log twice with the same username while a session is already opened, the FortiGate will ask if the user wants to close the other connection.

Workaround to clear the random generated stale sessions.
# execute vpn sslvpn list                          <----- To list all SSL VPN sessions and their index numbers.
# execute vpn sslvpn del-tunnel <index>            <----- To disconnect a tunnel mode user.
# execute vpn sslvpn del-web <index>               <----- To disconnect a web mode user.
Related links:

https://docs.fortinet.com/document/fortigate/6.2.2/fortios-release-notes/289806/resolved-issues
https://docs.fortinet.com/document/fortigate/6.4.0/fortios-release-notes/289806/resolved-issues

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