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Free open-source SSL VPN client supporting multiple protocols including AnyConnect
OpenConnect serves as a versatile SSL VPN client supporting various protocols including Cisco AnyConnect. 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.
Supports Cisco AnyConnect SSL VPN, Juniper/Netscreen SSL VPN, and Pulse Connect Secure
Available for Windows, Linux, macOS, Android, and other platforms
Provides military-grade encryption with support for two-factor openconnect client authentication
Completely free and open-source with transparent code development
Free download for Windows, Linux, macOS and other operating systems
Download for Windows openconnect for windowsopenconnect for windows
Ubuntu/Debian .deb packages
Supports Intel and Apple Silicon
Obtain the Windows-compatible version from the project’s official download page. Look for the MSI or executable installer package for straightforward setup.
Run the installation file and grant necessary permissions when prompted by UAC. The installation process typically takes 2-3 minutes on modern Windows systems.
Configure the client by entering your organization’s VPN server address and credentials. Specify authentication method, certificates, and any custom connection parameters required.
Initiate the connection process and authenticate with your credentials when prompted. Monitor connection status through the system tray icon and verify successful network access.
Verify server address accuracy and network connectivity before attempting connection. Validate that your user account has proper VPN access permissions.
Ensure system clock is synchronized and certificates haven’t expired. Verify certificate chain completeness and proper installation in certificate store.
Important: Enterprise users should contact their network administrators for customized setup instructions. Corporate environments may have unique authentication requirements or security policies.
