OpenConnect VPN Client
Free open-source SSL VPN client supporting multiple protocols including AnyConnect
What is OpenConnect?
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.
Key Features & Benefits
Protocol Compatibility
Compatible with multiple enterprise VPN protocols including AnyConnect and Pulse Secure
Cross-Platform Availability
Available for Windows, Linux, macOS, Android, and other platforms
Advanced Security
Implements strong encryption standards and certificate-based authentication
Community-Driven Development
Completely free and open-source with transparent code development
Download OpenConnect
Available for all major platforms – completely free and open-source
Windows OS
Windows Installer openconnect clientopenconnect client
Linux
Ubuntu/Debian .deb packages
macOS
macOS 10.15 and openconnect later
Windows Setup Instructions
Get Windows Package
Download the latest OpenConnect Windows installer from the official repository or trusted source. Look for the MSI or executable installer package for straightforward setup.
Run Installation
Launch the downloaded installer with administrator privileges for proper system access. Follow the setup wizard instructions, accepting the license agreement and choosing installation location.
Setup Server Details
Configure the client by entering your organization’s VPN server address and credentials. Set up authentication credentials, certificates, or token-based login as per your network requirements.
Connect to VPN
Select your configured connection profile and click connect to establish the VPN tunnel. Confirm successful connection through status indicators and test network accessibility.
Troubleshooting Common Issues
Connection Failures
Check firewall settings and ensure required ports are open for VPN traffic. 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.
Important: For organization-specific configurations, consult your IT department for exact connection parameters. Some networks require additional security software or specific configuration tweaks.
