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
Multi-Protocol Support
Supports Cisco AnyConnect SSL VPN, Juniper/Netscreen SSL VPN, and Pulse Connect Secure
Multi-OS Support
Available for Windows, Linux, macOS, Android, and other platforms
Advanced Security
Provides military-grade encryption with support for two-factor authentication
Community-Driven Development
Completely free and open-source with transparent code development
Download OpenConnect
Free download for Windows, Linux, macOS and other operating systems
Windows
Download for Windows openconnect clientopenconnect client
Linux Systems
Ubuntu/Debian .deb packages
macOS
macOS 10.15 and later
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.
Run Installation
Launch the downloaded installer with administrator privileges for proper system access. 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. Specify authentication method, certificates, openconnect client and any custom connection parameters required.
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
Check firewall settings and ensure required ports are open for VPN traffic. 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.
Important: Enterprise users should contact their network administrators for customized setup instructions. Corporate environments may have unique authentication requirements or security policies.
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