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. 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. Its modular design allows for extensive customization and integration with various authentication methods.
Core Functionality & Advantages
Protocol Compatibility
Compatible with multiple enterprise VPN protocols including AnyConnect and Pulse Secure
Multi-OS Support
Runs seamlessly across all major operating systems and architectures
Enterprise-Grade Protection
Implements strong encryption standards and certificate-based authentication
Open Source Advantage
Completely free and openconnect for windows open-source with transparent code development
Get OpenConnect Client
Available for all major platforms – completely free and open-source
Windows OS
Windows 10/11 (64-bit)
Linux Systems
Red Hat/CentOS RPM packages
macOS
Supports Intel and Apple Silicon
Windows Setup Instructions
Get Windows Package
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
Launch the downloaded installer with administrator privileges for proper system access. 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. Set up authentication credentials, certificates, or token-based login as per your network requirements.
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.
Problem Resolution Guide
Connection Failures
Verify server address accuracy and network connectivity before attempting connection. 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.
Important: For organization-specific configurations, consult your IT department for exact connection parameters. Some networks require additional security software or specific configuration tweaks.