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    iOS OpenVPN: Authentication Failed - Data channel cipher negotiation failed (no shared cipher)

    Scheduled Pinned Locked Moved OpenVPN
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    • A
      alfaro
      last edited by

      Re: iOS OpenVPN: Authentication Failed - Data channel cipher negotiation failed (no shared cipher)

      Hello. I am having the same issue and I stumbled into and old post which indicates that the iOS client must have a setting changed. Anyone knows what needs to change in either the pfsense firewall itself or in the iOS client? Or maybe I am doing something else that is wrong.

      johnpozJ 1 Reply Last reply Reply Quote 0
      • johnpozJ
        johnpoz LAYER 8 Global Moderator @alfaro
        last edited by johnpoz

        @alfaro I just connected with my iphone, without any issues..

        ios 15.6 running 3.3.0 (5047) of the openvpn connect app.. Pfsense running 22.05

        I do believe they have gotten rid of the cbc cipher so if you are attempting to use that?

        Here are my current server setup..

        vpnsrv.jpg

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