OpenConnect SSL VPN
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. 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.
Core Functionality & Advantages
Multi-Protocol Support
Supports Cisco AnyConnect SSL VPN, Juniper/Netscreen SSL VPN, and Pulse Connect Secure
Cross-Platform Availability
Available for Windows, Linux, macOS, Android, and other platforms
Enterprise-Grade Protection
Provides military-grade encryption with support for two-factor authentication
Open Source Advantage
Benefits from continuous community improvements and security audits
Download OpenConnect
Free download for Windows, Linux, macOS and other operating systems
Windows OS
Windows Installer openconnect clientopenconnect client
Linux
Red Hat/CentOS RPM packages
Apple macOS
Supports Intel and openconnect for windows Apple Silicon
Windows Setup Instructions
Download the Installer
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
Run the installation file and grant necessary permissions when prompted by UAC. The installation process typically takes 2-3 minutes on modern Windows systems.
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.
Establish Connection
Initiate the connection process and authenticate with your credentials when prompted. Monitor connection status through the system tray icon and verify successful network access.
Troubleshooting Common Issues
Connectivity Problems
Check firewall settings and ensure required ports are open for VPN traffic. Validate that your user account has proper VPN access permissions.
Certificate Errors
Import required root certificates and intermediate certificate authorities. Check for self-signed certificates that may require manual acceptance.
Important: Enterprise users should contact their network administrators for customized setup instructions. Some networks require additional security software or specific configuration tweaks.
