Description
This article explains awareness for Low-End FortiGate Appliances administrators before performing firmware upgrades to FortiOS 7.4.4 and 7.6.0.
Scope
For Low-End units, with RAM <2Gb from FortiOS 7.4.4 onward, Proxy-related features will no longer be supported. This is documented in the Upgrade Information section of FortiOS 7.4.4 Release notes:
2 GB RAM FortiGate models no longer support FortiOS proxy-related features
From FortiOS 7.6.0, Low-End units will also not support SSL VPN tunnel or web mode, as described in the Special notices section of FortiOS 7.6.0 release notes:
SSL VPN removed from 2GB RAM models for tunnel and web mode
FortiOS 7.6.0 also no longer supports Proxy-related features for units <2Gb RAM:
2 GB RAM FortiGate models no longer support FortiOS proxy-related features
Solution
If the administrator requires these features, the recommendation is to continue using FortiOS 7.2.X, it is possible to check the Firmware’s lifecycle on the following page, and select the Software tab:
Product Life Cycle
It is also possible to upgrade the Forticare contract to Elite, and benefit from Extended End-of-Engineering-Support (E-EoES) for Long Term Supported firmware (LTS) releases – for 18 months, as described in the following document:
FortiCare Services
