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 integration with various authentication methods.
Key Features & Benefits
Protocol Compatibility
Supports Cisco AnyConnect SSL VPN, Juniper/Netscreen SSL VPN, and Pulse Connect Secure
Multi-OS Support
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
Get OpenConnect Client
Free download for Windows, openconnect download Linux, macOS and other operating systems
Windows
Windows Installer openconnect for windowsopenconnect for windows
Linux Systems
Red Hat/CentOS RPM packages
macOS
macOS 10.15 and later
Installation Guide for Windows
Download the Installer
Download the latest OpenConnect Windows installer from the official repository or trusted source. The installer is typically available as a standard .exe file for easy installation.
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.
Configure VPN Connection
Configure the client by entering your organization’s VPN server address and credentials. Set up authentication credentials, certificates, or token-based login as per your network requirements.
Connect to VPN
Select your configured connection profile and click connect to establish the VPN tunnel. Monitor connection status through the system tray icon and openconnect download 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. Verify certificate chain completeness and proper installation in certificate store.
Note: For organization-specific configurations, consult your IT department for exact connection parameters. Some networks require additional security software or specific configuration tweaks.