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News
Installing Tunnelblick
Uninstalling Tunnelblick
Setting up Configurations
Using Tunnelblick
Getting VPN Service
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Important: See The Future of Tun and Tap VPNs on macOS for information about changes to future versions of macOS.

Also see Tunnelblick on macOS Big Sur, and, if you are using an Apple Silicon (M1) Mac, Tunnelblick and Apple Silicon.

IMPORTANT: You only need to install Tunnelblick's system extensions if you are

• Running on macOS Big Sur; and
• Using to a 'Tap' VPN.

The process of installing Tunnelblick's system extensions on recent versions of macOS requires one or more restarts of your computer.

The following describes the process when using Tunnelblick 3.8.5 beta03 (build 5630) and higher:

• For an M1 Mac using macOS Big Sur 11.1.
• For an Intel Mac using macOS Big Sur.
• For an Intel Mac using macOS Catalina or macOS Mojave 10.14.5 or 10.14.6, see Tunnelblick on macOS Catalina.
• For an Intel Mac using macOS High Sierra or macOS Mojave 10.14.4 and below, see Tunnelblick on macOS High Sierra and macOS Mojave.

Installing Kexts on an M1 Mac Running macOS Big Sur 11.1

On an Apple Silicon (M1) Mac, the process of installing Tunnelblick's system extensions requires three restarts of your computer.

1. Use the button on the 'Utilities' panel to install Tunnelblick's Tun and Tap system extensions.
2. After authorizing Tunnelblick to install the kexts, you will be prompted by macOS to open the Security & Privacy preference pane to allow the kexts to be loaded:
   
3. After opening the Security & Privacy preference pane, click the 'Enable system extensions…' button:
   
4. You'll see the following instructions:
   
5. Shut down your computer, then start it up by pressing the power button and holding it down until your system starts in [macOS Recovery](https://support.apple.com/guide/mac-help/macos-recovery-a-mac-apple-silicon-mchl82829c17/mac) and you see the startup options page.
6. Select 'Options'.
7. Select Utilities > Startup Security Utility.
8. Select the system you want to use to set the security policy.
9. If the disk is encrypted with FileVault, click Unlock, enter the password, then click Unlock.
10. Click Security Policy.
11. Click to select the “Allow user management of kernel extensions from identified developers” checkbox.
12. Click OK.
13. Restart your Mac for the changes to take effect.
14. Go to the Security & Privacy preference pane; click on the 'Allow' button:
    
15. After authorizing the software, you will be prompted to restart your computer to be able to use the new system extensions:
    
16. Restart your computer. You should now be able to use Tun and Tap configurations.

Installing Kexts on an Intel Mac running macOS Big Sur

On an Intel Mac, the process of installing Tunnelblick's system extensions requires one restart of your computer.

1. Use the button on the 'Utilities' panel to install Tunnelblick's Tun and Tap system extensions.
2. After authorizing Tunnelblick to install the kexts, you will be prompted by macOS to open the Security & Privacy preference pane to allow the kexts to be loaded:
   
3. After opening the Security & Privacy preference pane, click the 'Allow' button:
   
4. After authorizing the software, you will be prompted to restart your computer to be able to use the new system extensions:
   
5. Restart your computer. You should now be able to use Tun and Tap configurations.

Highlighted Articles
Installing Tunnelblick
Uninstalling Tunnelblick
Installing Configurations
Setting up Configurations
Using Tunnelblick
Getting VPN Service
Common Problems
Configuring OpenVPN
Release Notes
Thanks
FAQ Can you download adobe flash player on mac.

Discussion Group
Read Before You Post

Getting Started
Quick Start Guide
Welcome to Tunnelblick
What is Tunnelblick?
What else you need
Getting VPN Service
Tunnelblick and Apple Silicon
How You Can Help
FAQ

Downloading and Installing
Downloading and Installing Tunnelblick
Installing System Extensions
Problems Installing Tunnelblick
Stable vs. Beta
Downloading and Installing Configurations
Standard Users Installing or Replacing Configurations
Uninstalling Tunnelblick

Setup and Use
Setup
The Future of Tun and Tap VPNs on macOS
Configuring OpenVPN
Connect Manually vs. when Computer Starts vs. when Tunnelblick Launches
Tunnelblick as a VPN Server
Multi-factor and Two-factor Authentication
Tunnelblick Launching at Login
Managing a Large Number of Configurations
Tunnelblick's Kill Switch
Changing Multiple Settings at Once
Edit or Examine an OpenVPN Configuration File
Exporting and Importing Tunnelblick Setups
Using Tunnelblick
Create a Private OpenVPN Service with AWS Client VPN Endpoint [github.com]

Privacy and Security
Privacy and Security
GDPR Information
XARA Vulnerabilities

Reference
News
FAQ
Tunnelblick Country of Origin Information
Known Issues
Tunnelblick VPN Configurations
'.tblk' Details
Using Scripts
AppleScript Support
Tunnelblick openvpn_xorpatch
Getting VPN Service
Updating Tunnelblick Manually
System requirements
File Locations
Digital Signatures
Generating an HMAC Signature
IP Address Changes
OpenVPN User and Group Options
OpenVPN and OpenSSL Versions Included in Tunnelblick
Preferences
Selecting a Language
Release Notes Free mass email software for mac.

Troubleshooting
Tunnelblick on macOS Big Sur
Tunnelblick on macOS Catalina
Tunnelblick on macOS High Sierra and Mojave
Known Issues
Common Problems
Connects OK, But..
Errors Loading System Extensions
Tunnelblick Launches at Startup (Login)
VPN Details Windows Appears at Startup (Login)
System Folder Not Secure
IP Address Changes
OpenVPN User and Group Options
The Tunnelblick Log
The Console Log

Distributing Tunnelblick
Distributing Tunnelblick
VPN Service Provider Tips
Automatic Installation
Old Updatable Configurations
New Simpler Updatable Configurations

Customized Versions
'Deployed' versions
Converting a Deployed Version
Rebranding Tunnelblick
Building from Source
Signing the Application
Modifying the Disk Image
Icon Animation
Custom OpenVPN Binaries

Localization & Translation
Localizing Tunnelblick
Using Crowdin
Other Localization
Translation Notes
Translating HTML
Testing RTL Translations
Translation Status

Vulnerability FAQs
2015-07-10 Vulnerability FAQ
2015-06-11 Vulnerability FAQ
2015-03-19 Vulnerability FAQ
2015-01-08 Vulnerability FAQ
2014-12-01 Vulnerability FAQ
2014-10-01 Vulnerability FAQ
2014-06-11 Vulnerability FAQ
2014-04-08 Vulnerability FAQ
2012-09-12 Vulnerability FAQ