Tunneling Guide for MobaXterm

Understanding Tunneling in MobaXterm

Tunneling is a key functionality in MobaXterm that provides encrypted and secure remote access to network services. By using this feature, users can forward network traffic through an SSH connection, allowing them to access services that may be behind firewalls or other restrictions. In this article, we will explore how to set up tunneling in MobaXterm, its applications, and best practices.

What is Tunneling?

Tunneling refers to the practice of creating a secure pathway through an insecure network. This is primarily achieved using the SSH protocol, which encrypts the data between the client and the server. In MobaXterm, tunneling enables users to redirect local ports to remote ports securely.

How to Set Up Tunneling in MobaXterm

Follow these steps to configure tunneling:

1. Launch MobaXterm and create a new session by clicking on the "Session" button.
2. Select "SSH" as your session type.
3. Input the remote server's IP address or hostname.
4. Under the "Advanced SSH settings," check the option for "Use SSH gateway (jump host)." This should include the address of your SSH server.
5. In the "Port forwarding" section, specify the local and remote ports you wish to forward. For instance, if you want to access a web service running on port 80 of the remote server, you might enter: Local port: 8080, Remote host: your-remote-server.com, Remote port: 80.
6. Click "OK" to save and connect to the session.

Use Cases for Tunneling

Tunneling can be beneficial in various scenarios, such as:

• Secure Remote Access: Connect to internal services securely without exposing them to the general internet.
• Bypass Network Restrictions: Access resources that are restricted on your local network or from different geographic locations.
• Protect Sensitive Data: Encrypt your traffic while working on public Wi-Fi networks.

Best Practices for Tunneling

When using tunneling, consider the following best practices:

• Keep your SSH server updated to protect against vulnerabilities.
• Use strong authentication methods such as key-based authentication instead of passwords.
• Regularly review and manage your open tunnels to ensure they are still necessary and secure.

Advanced Settings

In addition to basic setup, MobaXterm offers advanced features such as:

• If you need to tunnel multiple ports simultaneously, repeat the above steps for each port configuration.
• Utilize the "Dynamic Port Forwarding" option for applications that support SOCKS5 proxying, allowing flexible tunnel usage.
• Configure your local applications to connect via the specified local port to start using the tunnel.

Conclusion

Tunneling in MobaXterm provides a secure means to access remote services and protects sensitive information. By following the outlined steps, users can easily establish tunnels to enhance their remote computing experience.

Glossary of Terms

• SSH: Secure Shell, a protocol for secure remote login over an insecure network.
• Firewall: A network security device that monitors incoming and outgoing traffic based on security rules.
• Port Forwarding: The method of re-routing requests from one address and port combination to another.

Pro Tips

• Always use a VPN in conjunction with tunneling for added security.
• Test your tunnel configurations after setup to ensure they are working as intended.
• Monitor your connections for any unusual activities regularly.

Setting Up Secure Tunneling in Your Remote Connections

Update: 04 Oct 2025