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Tunnelblick and macOS Catalina

The following is the current status of issues that have been seen using Tunnelblick 3.8.1beta02 on macOS Catalina Beta 7 – "macOS Catalina Version 10.15 Beta (19A546d)"

If you are not using the latest beta or the release of macOS Catalina or Tunnelblick, please update them!

NEW REQUIREMENT: Restarting the computer is required by macOS before connecting some configurations for the first time.

If a configuration requires a "tun" or "tap" system extension, the first time Tunnelblick asks macOS to load the appropriate system extension, macOS will tell the user that they must give permission to load system extensions signed by "Jonathan Bullard" in System Preferences : Security & Privacy : General. If the user give such permission by clicking "Allow", macOS must restart the computer before the permission will be honored. After the permission has been given and the computer has been restarted, you may then connect all VPN configurations normally.

Tests indicate that this is a "one time" requirement. Once permission has been granted and the computer restarted, no further action is needed. Tunnelblick will be able to load "tun" and "tap" system extensions for any configuration without user interaction, and that ability will persist after computer restarts, "safe boots", and updates to Tunnelblick.

Note: If you are using a "tun" VPN, you can avoid needing to load the "tun" system extension. See the note at the start of Errors Loading Kexts (Device Drivers).

FIXED: Catalina refuses to open a downloaded Tunnelblick disk image, saying it is "from an unidentified developer".

This problem was fixed in Catalina beta 3.

This was a bug in Catalina beta 2.

Workaround: Open the disk image by Control-clicking it and selecting "Open". You'll again be told it is from an unidentified developer, but you can click the "Open" button to open the disk image. Once the disk image has been opened, you can double-click the Tunnelblick icon to install Tunnelblick without further warnings.

FIXED: "Installation or repair took too long or failed" appears when trying to install Tunnelblick.

This problem was fixed in Tunnelblick 3.8.0beta04. It was reported as Issue #559.

FIXED: "System Requirements Not Met: the tmp system folder (/tmp) is not secure" appears each time Tunnelblick is launched.

This problem was fixed in Tunnelblick 3.8.0beta03. It was reported as Issue 554.

(This page was updated 2019-09-06.)

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