OpenConnect SSL VPN
Free open-source SSL VPN client supporting multiple protocols including AnyConnect
Understanding OpenConnect VPN
OpenConnect serves as a versatile SSL VPN client supporting various protocols including Cisco AnyConnect. This cross-platform solution offers reliable VPN connectivity for both enterprise and individual users.
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.
Key Features & Benefits
Protocol Compatibility
Compatible with multiple enterprise VPN protocols including AnyConnect and Pulse Secure
Multi-OS Support
Runs seamlessly across all major operating systems and architectures
Enterprise-Grade Protection
Provides military-grade encryption with support for two-factor authentication
Community-Driven Development
Completely free and open-source with transparent code development
Get OpenConnect Client
Available for all major platforms – completely free and open-source
Windows OS
Download for Windows openconnect downloadopenconnect download
Linux Systems
Ubuntu/Debian .deb packages
macOS
macOS 10.15 and later
Windows Setup Instructions
Get Windows Package
Obtain the Windows-compatible version from the project’s official download page. The installer is typically available as a standard .exe file for easy installation.
Execute Setup Process
Launch the downloaded installer with administrator privileges for proper system access. Follow the setup wizard instructions, openconnect accepting the license agreement and choosing installation location.
Setup Server Details
Launch OpenConnect GUI and add a new connection profile with your VPN server details. Specify authentication method, openconnect download certificates, and any custom connection parameters required.
Establish Connection
Select your configured connection profile and click connect to establish the VPN tunnel. Monitor connection status through the system tray icon and verify successful network access.
Troubleshooting Common Issues
Connectivity Problems
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. Verify certificate chain completeness and proper installation in certificate store.
Note: Enterprise users should contact their network administrators for customized setup instructions. Corporate environments may have unique authentication requirements or security policies.