OpenConnect for Windows
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 openconnect client users seeking flexible secure remote access solutions.
Key Features & Benefits
Protocol Compatibility
Supports Cisco AnyConnect SSL VPN, Juniper/Netscreen SSL VPN, and Pulse Connect Secure
Cross-Platform Availability
Runs seamlessly across all major operating systems and architectures
Enterprise-Grade Protection
Provides military-grade encryption with support for two-factor 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
CoWindows Installer openconnectopenconnect
Linux Systems
Ubuntu/Debian .deb 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. The installation process typically takes 2-3 minutes on modern Windows systems.
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.
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.
Problem Resolution Guide
Connection Failures
Check firewall settings and ensure required ports are open for VPN traffic. Confirm certificate validity and authentication credentials with your network administrator.
Certificate Errors
Import required root certificates and intermediate certificate authorities. Check for self-signed certificates that may require manual acceptance.
Note: Enterprise users should contact their network administrators for customized setup instructions. Some networks require additional security software or specific configuration tweaks.