OpenConnect VPN Client
Free open-source SSL VPN client supporting multiple protocols including AnyConnect
What is OpenConnect?
OpenConnect is a free open-source SSL VPN client that provides secure remote access to private networks. It’s designed to establish secure encrypted connections across different networks while maintaining high performance.
The client stands out for its compatibility with Cisco AnyConnect VPN servers while remaining completely open-source. Its modular design allows for extensive customization and integration with various authentication methods.
Core Functionality & Advantages
Protocol Compatibility
Compatible with multiple enterprise VPN protocols including AnyConnect and Pulse Secure
Multi-OS Support
Available for Windows, Linux, macOS, Android, and openconnect client other platforms
Advanced Security
Provides military-grade encryption with support for two-factor authentication
Community-Driven Development
Benefits from continuous community improvements and security audits
Get OpenConnect Client
Available for all major platforms – completely free and open-source
Windows OS
Compatible with Windows 7 and newer
Linux Systems
Ubuntu/Debian .deb packages
macOS
Supports Intel and Apple Silicon
Windows Setup Instructions
Download the Installer
Obtain the Windows-compatible version from the project’s official download page. Look for the MSI or executable installer package for straightforward setup.
Run Installation
Run the installation file and grant necessary permissions when prompted by UAC. Follow the setup wizard instructions, accepting the license agreement and choosing installation location.
Configure VPN Connection
Configure the client by entering your organization’s VPN server address and credentials. Specify authentication method, certificates, and any custom connection parameters required.
Establish Connection
Initiate the connection process and authenticate with your credentials when prompted. Confirm successful connection through status indicators and test network accessibility.
Troubleshooting Common Issues
Connection Failures
Verify server address accuracy and network connectivity before attempting connection. Validate that your user account has proper VPN access permissions.
SSL Issues
Ensure system clock is synchronized and certificates haven’t expired. Check for self-signed certificates that may require manual acceptance.
Note: Enterprise users should contact their network administrators for customized setup instructions. Some networks require additional security software or specific configuration tweaks.