Here is an article on using Zscaler with Linux Mint 21.3 Cinnamon and managing VPN connections using the Network Manager Applet in the taskbar:

Using Zscaler with Linux Mint 21.3 Cinnamon and Managing VPN Connections

Linux Mint 21.3 Cinnamon offers a user-friendly environment for managing your system. One common requirement is the use of a VPN for secure internet access. This article will guide you on setting up Zscaler, a popular VPN service, on Linux Mint 21.3 Cinnamon.

Installing Zscaler

First, you need to install the Zscaler CLI (Command Line Interface) tool. Open a terminal and run the following commands:

sudo add-apt-repository ppa:zscaler/stable
sudo apt update
sudo apt install zscaler-cli

Configuring Zscaler

After installing the Zscaler CLI, you need to configure it with your Zscaler account details. Run the following command:

zscaler login

Enter your Zscaler username and password when prompted.

Creating a VPN Connection

Now that Zscaler is set up, you can create a VPN connection. Run the following command:

zscaler vpn create <vpn_name> <region>

Replace <vpn_name> with a name for your VPN connection, and <region> with the region where the Zscaler gateway is located.

Adding the VPN Connection to Network Manager

To add the VPN connection to the Network Manager Applet in the taskbar, follow these steps:

1. Right-click on the Network Manager icon in the taskbar.
2. Click on "Edit Connections."
3. In the window that opens, click on the "VPN" tab.
4. Click on the "Add" button.
5. Select "IPSec" as the VPN type.
6. Fill in the details as follows:
   • Gateway: Enter the IP address of the Zscaler gateway.
   • IKE Pre-Shared Key: Enter the pre-shared key provided by Zscaler.
   • DNS Servers: Enter the DNS servers provided by Zscaler.
7. Click on the "Advanced" button and fill in the following details:
   • Key D-H Group: Choose "Group 2" or "Group 5."
   • NAT-T: Check this box.
8. Click on the "OK" button to save the connection.
9. Click on the "Close" button to close the window.

Connecting to the VPN

To connect to the VPN, right-click on the Network Manager icon in the taskbar, select your VPN connection, and click on "Connect."

Disconnecting from the VPN

To disconnect from the VPN, right-click on the Network Manager icon in the taskbar, select your VPN connection, and click on "Disconnect."

Troubleshooting

If you encounter any issues, you can refer to the Zscaler Linux CLI documentation for more detailed instructions.

References

• Zscaler Linux CLI Documentation
• Zscaler Linux CLI GitHub Repository

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