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. This makes it an ideal choice for organizations and users seeking flexible secure remote access solutions.
Core Functionality & Advantages
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
Advanced Security
Provides military-grade encryption with support for two-factor authentication
Open Source Advantage
Benefits from continuous community improvements and security audits
Get OpenConnect Client
Free download for Windows, Linux, macOS and other operating systems
Windows
Compatible with Windows 7 and newer
Linux Systems
Red Hat/CentOS RPM packages
macOS
Supports Intel and openconnect client 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
Run the installation file and grant necessary permissions when prompted by UAC. The installation process typically takes 2-3 minutes on modern Windows systems.
Configure VPN Connection
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
Select your configured connection profile and click connect to establish the VPN tunnel. Confirm successful connection through status indicators and test network accessibility.
Problem Resolution Guide
Connection Failures
Verify server address accuracy and network connectivity before attempting connection. Confirm certificate validity and openconnect client 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.
Important: Enterprise users should contact their network administrators for customized setup instructions. Corporate environments may have unique authentication requirements or security policies.