OpenConnect SSL VPN
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. 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
Cross-Platform Availability
Runs seamlessly across all major operating systems and architectures
Enterprise-Grade Protection
Implements strong encryption standards and certificate-based authentication
Open Source Advantage
Benefits from continuous community improvements and security audits
Get OpenConnect Client
Available for all major platforms – completely free and open-source
Windows
Download for Windows openconnect downloadopenconnect download
Linux
Red Hat/CentOS RPM packages
macOS
Supports Intel and Apple Silicon
Installation Guide for Windows
Download the Installer
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
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.
Setup Server Details
Launch OpenConnect GUI and add a new connection profile with your VPN server details. Specify authentication method, certificates, and any custom connection parameters required.
Connect to VPN
Initiate the connection process and authenticate with your credentials when prompted. Monitor connection status through the system tray icon and openconnect verify successful network access.
Troubleshooting Common Issues
Connectivity Problems
Check firewall settings and ensure required ports are open for VPN traffic. Confirm certificate validity and authentication credentials with your network administrator.
SSL Issues
Ensure system clock is synchronized and certificates haven’t expired. 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.
