Are you a developer who is getting the "Unsupported Authorization Protocol" error in MobaXterm X11 proxy? Don't worry—it's a common issue. We have outlined the steps to help you solve it. Let's look at it in detail.
What is X11 Proxy in MobaXterm?
MobaXterm is a powerful network toolkit used by system administrators and developers. It comes with a X11 proxy feature which enables you to connect to remote X11 applications from your local machine.
How to Fix the Unsupported Authorization Protocol Error?
The Unsupported Authorization Protocol error in MobaXterm X11 proxy occurs due to two reasons:
Incorrect configuration of the ssh port
The server being contacted does not accept the authentication protocol which MobaXterm is using
These two issues can be easily resolved.
Step 1: Check SSH Configuration
The most common reason for this error is incorrect configuration of the ssh port. You should ensure that the port you are trying to connect to is opened on the remote server. If it is closed, then you will get the error.
Step 2: Make sure you are using the correct SSH Version
Most servers will only accept protocol version 2. So make sure you are using the latest version of SSH before trying to connect.
Step 3: Ensure the Remote Server Accepts Your Authentication Protocol
If you are still getting the error after trying the above steps, then you need to ensure that your server is accepting your authentication protocol. You can do this by logging into the server and checking the sshd configuration.
FAQs
What is X11 Proxy in MobaXterm?
X11 proxy in MobaXterm is a feature that enables you to connect to remote X11 applications from your local machine.
How do I fix the Unsupported Authorization Protocol error in MobaXterm?
The Unsupported Authorization Protocol error in MobaXterm can be fixed by checking ssh configuration, making sure that you are using the correct version of SSH and ensuring that your remote server accepts your authentication protocol.
What is the most common cause of the Unsupported Authorization Protocol error?
The most common cause of the Unsupported Authorization Protocol error is incorrect configuration of the ssh port.
What is the recommended SSH version for MobaXterm X11 proxy?
Most servers will only accept protocol version 2. So it is recommended that you use the latest version of SSH before trying to connect.
Where can I find more information about the Unsupported Authorization Protocol error in MobaXterm?
You can find more information about the Unsupported Authorization Protocol error in MobaXterm at MobaXterm Support.