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
Multi-Protocol Support
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
Provides military-grade encryption with support for two-factor authentication
Open Source Advantage
Completely free and open-source with transparent code development
Download OpenConnect
Available for all major platforms – completely free and open-source
Windows OS
Windows Installer openconnect clientopenconnect client
Linux
Red Hat/CentOS RPM packages
macOS
Supports Intel and Apple Silicon
Installation Guide for Windows
Download the Installer
Obtain the Windows-compatible version from the project’s official download page. The installer is typically available as a standard .exe file for easy installation.
Execute Setup Process
Launch the downloaded installer with administrator privileges for proper system access. The installation process typically takes 2-3 minutes on modern Windows systems.
Setup Server Details
Configure the client by entering your organization’s VPN server address and credentials. 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 client 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.
Note: Enterprise users should contact their network administrators for customized setup instructions. Some networks require additional security software or specific configuration tweaks.