Free open-source SSL VPN client supporting multiple protocols including AnyConnect
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. This makes it an ideal choice for organizations and users seeking flexible secure remote access solutions.
Supports Cisco AnyConnect SSL VPN, Juniper/Netscreen SSL VPN, openconnect and Pulse Connect Secure
Runs seamlessly across all major operating systems and architectures
Provides military-grade encryption with support for two-factor authentication
Benefits from continuous community improvements and security audits
Available for all major platforms – completely free and open-source
CoWindows Installer openconnectopenconnect
Ubuntu/Debian .deb packages
Supports Intel and Apple Silicon
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.
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.
Launch OpenConnect GUI and add a new connection profile with your VPN server details. Set up authentication credentials, certificates, or token-based login as per your network requirements.
Select your configured connection profile and click connect to establish the VPN tunnel. Confirm successful connection through status indicators and test network accessibility.
Check firewall settings and ensure required ports are open for VPN traffic. Validate that your user account has proper VPN access permissions.
Ensure system clock is synchronized and certificates haven’t expired. Check for self-signed certificates that may require manual acceptance.
Note: For openconnect for windows organization-specific configurations, consult your IT department for exact connection parameters. Some networks require additional security software or specific configuration tweaks.
