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Prerequisites for OTG 2 for Mac Installation

Below are the prerequisites that must be met or considered before installing WebTitan OTG 2 for Mac. Please read through this information carefully before installation.

  • You must be on WebTitan Cloud 4.16 or later to use WebTitan OTG 2 for Mac. If you are using an earlier version of WebTitan Cloud, use WebTitan OTG 1 for Mac. See WebTitan OTG 1 for Mac Guide.

  • You must use a 2K minimum WebTitan certificate with a validity period of 825 days or fewer. See for more information.

  • At the date of shipping the current OTG 2 for Mac (version 2.0.2 (29)), the following macOS releases and specific versions have been tested.

    Supported macOS Release

    Latest Version Tested at time of OTG 2 release

    macOS 10.15 Catalina


    macOS 11 Big Sur


    macOS 12 Monterey


    macOS 13 Ventura


  • Admin install privileges are required for installation.

  • You need to know the URL of your WebTitan Cloud, e.g.

  • You need your OTG install key during installation. You can get this in your WebTitan Cloud from Settings > Account > OTG Install Key.

  • WebTitan OTG 2 for Mac uses TCP port 7771 (outbound) for communication to WebTitan Cloud. Please ensure this port is not blocked.

  • WebTitan OTG 2 also uses TCP port 8443. Please ensure this port is not blocked.