Tag: FortiGate

June 5, 2011

Fortinet FortiOS firmware upgrade – Upload file is too big or invalid

If you receive an “Upload file is too big or invalid” error message when trying to upload a new FortiOS image to your Fortinet device via the web interface, then the first thing to try is giving the device a quick reboot in order to free up memory to hold the uploaded copy of the firmware image. If this doesn’t...

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March 26, 2011

Fortinet SSL VPN interface limitations

There seem to be some interface related limitations with the SSL VPN implementation on Fortinet’s FortiGate firewall devices which prevent you from connecting to the Fortinet SSL VPN on the IP address of an interface other than the one which your traffic enters the firewall on. In other words, even with the appropriate rules configured in the firewall policy to...

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