OpenConnect SSL VPN
Free open-source SSL VPN client supporting multiple protocols including AnyConnect
Understanding OpenConnect VPN
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
Multi-OS Support
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
Get OpenConnect Client
Free download for Windows, Linux, macOS and other operating systems
Windows
CoDownload for Windows openconnectopenconnect
Linux Systems
Red Hat/CentOS RPM packages
Apple macOS
Supports Intel and Apple Silicon
Windows Setup Instructions
Get Windows Package
Obtain the Windows-compatible version from the project’s official download page. 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.
Configure VPN Connection
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
Initiate the connection process and authenticate with your credentials when prompted. Confirm successful connection through status indicators and test network accessibility.
Problem Resolution Guide
Connectivity Problems
Verify server address accuracy and network connectivity before attempting connection. Confirm certificate validity and authentication credentials with your network administrator.
Certificate Errors
Ensure system clock is synchronized and certificates haven’t expired. 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.