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. 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 openconnect for windows integration with various authentication methods.
Core Functionality & Advantages
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
Advanced Security
Provides military-grade encryption with support for two-factor authentication
Open Source Advantage
Completely free and open-source with transparent code development
Download OpenConnect
Free download for Windows, Linux, macOS and other operating systems
Windows OS
Windows Installer openconnectopenconnect
Linux Systems
Red Hat/CentOS RPM 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.
Execute Setup Process
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.
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
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
Connectivity Problems
Verify server address accuracy and network connectivity before attempting connection. Validate that your user account has proper VPN access permissions.
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.