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duenlim
Staff
Staff

Created on ‎12-12-2023 10:41 PM

Article Id 289042

Technical Tip: FortiOS deprecated support for SHA-1 certificate for SSLVPN

Description This article describes that it is not possible to access SSLVPN after upgrading to v7.2.5, v7.4 or above.
Scope FortiGate v7.2.5, v7.4 and above.
Solution

SHA-1 is considered a deprecated hashing algorithm:
Technical Note: SHA versions for SSL Certificates and Limitations

 

Refer to Generate a new certificate to generate at least a SHA-256 certificate for SSL VPN.
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