Plink Access Granted: Nothing Occurs with Correct Credentials

Understanding the Error

When using Plink to connect to a remote server, users might encounter an "Access Granted: Nothing Occurs" error message even if they enter the correct credentials. This issue can be frustrating, as it may seem that the authentication process is failing, but the actual cause is different.

Causes of the Error

The "Plink Access Granted: Nothing Occurs - Correct Credentials" error is usually caused by one of the following reasons:

• Misconfigured SSH keys: If SSH keys are not properly configured or are missing, Plink may not be able to authenticate the user, even with the correct password.
• Firewall or network issues: Firewalls or network issues on the local or remote systems can prevent Plink from establishing a connection, even if the credentials are correct.
• Incorrect server configuration: If the remote server is not configured correctly, Plink may not be able to execute commands, even with the correct credentials.

Troubleshooting the Error

To troubleshoot the "Plink Access Granted: Nothing Occurs - Correct Credentials" error, users can try the following steps:

1. Check SSH keys: Ensure that SSH keys are correctly configured on both the local and remote systems. You can check this by running the following command on the local system:
ssh-keyscan

If the command returns the SSH key fingerprint of the remote server, then the SSH keys are correctly configured.

2. Check firewall and network issues: Ensure that there are no firewall or network issues preventing Plink from connecting to the remote server. You can try the following:
• Check the firewall settings on both the local and remote systems.
• Try connecting to the remote server using a different network or from a different location.
3. Check server configuration: Ensure that the remote server is correctly configured to allow Plink connections. You can try the following:
• Check the server logs for any errors or warnings related to Plink.
• Try connecting to the remote server using a different SSH client, such as PuTTY or OpenSSH.

The "Plink Access Granted: Nothing Occurs - Correct Credentials" error can be frustrating, but it is usually caused by misconfigured SSH keys, firewall or network issues, or incorrect server configuration. By following the troubleshooting steps outlined in this article, users should be able to resolve the issue and successfully connect to their remote servers using Plink.