Key features of a VPN client include:

A VPN client is a software tool designed to allow users to connect to a remote server over a private network, enabling secure and private internet access. It typically provides encryption, ensuring that the connection between the client and the remote server is encrypted, thus protecting the data being transmitted.

1. Encryption: Data is encrypted both in transit (over the network) and at rest (on the storage of the server) to ensure confidentiality.

2. User Authentication: Users can set up a username and password to log in and access the VPN.

3. VPN Server: Users can connect to a remote server that they control, ensuring that the connection is secure and private.

4. Scalability: VPN clients can handle a large number of users and can be used for remote work, business travel, and other purposes requiring secure internet access.

5. Browser-Based: Many VPN clients are browser-based, making them accessible across different devices and environments.

6. Ease of Use: VPN clients are designed to be user-friendly, often with intuitive interfaces and settings to help users configure their VPN connection.

7. Privacy Features: Some VPN clients offer additional privacy features, such as VPN servers that do not require a public Wi-Fi connection, making them suitable for remote work and private communications.

VLANs are also used in VPN clients to manage the flow of data between the client and the VPN server, ensuring that the data is encrypted and secure.

In summary, a VPN client is a tool that allows users to access remote servers securely, providing encryption, user authentication, and scalability to ensure that their online activity is private and protected.