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. This makes it an ideal choice for organizations and users seeking flexible secure remote access solutions.
Key Features & Benefits
Multi-Protocol Support
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
Provides military-grade encryption with support for two-factor authentication
Open Source Advantage
Completely free and open-source with transparent code development
Download OpenConnect
Available for all major platforms – completely free and open-source
Windows
Windows 10/11 (64-bit)
Linux Systems
Red Hat/CentOS RPM packages
Apple macOS
macOS 10.15 and openconnect later
Installation Guide for Windows
Download the Installer
Obtain the Windows-compatible version from the project’s official download page. Look for the MSI or executable installer package for straightforward setup.
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. Specify authentication method, 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
Connection Failures
Check firewall settings and ensure required ports are open for VPN traffic. Confirm certificate validity and authentication credentials with your network administrator.
SSL Issues
Import required root certificates and intermediate certificate authorities. Verify certificate chain completeness and proper installation in certificate store.
Note: For organization-specific configurations, consult your IT department for exact connection parameters. Some networks require additional security software or specific configuration tweaks.