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AlwaysOn VPN TLS 1.3 support

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After enabling TLS 1.3 and disabling all other TLS settings the Windows VPN client cannot connect to the gateway anymore.

I did set the correct ECC value(s) and Cipher-suite and enabled the "setssl parameter -defaultProfile e".


A modern browser is able to connect to the gateway without any issue, the vpn client however gives a "ERROR | statusCallbackFunc | 71 | SSL library internal failure"


Is TLS 1.3 not supported yet ?


Firmware used is "build-13.0-76.31_nc_64" and we are using the latest VPN client available.

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  • 5 weeks later...

Did you download the latest VPN Client from the Citrix Gateway or from the web site https://docs.citrix.com/en-us/citrix-gateway/current-release/vpn-user-config/select-gateway-plugin-for-users.html / https://www.citrix.com/downloads/citrix-gateway/plug-ins/  as it could be that your client application is old?



You may also enable logging on the plugin to see better what is the error:



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  • 11 months later...

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