SSH Connect to Host Port Connection Refused
SSH (Secure Shell) is a network protocol that allows users to securely access remote systems over an encrypted connection. However, one common issue that users may encounter when trying to connect to a remote host is the “Connection refused” error message. This error typically occurs when the SSH server on the remote host is not running or when the port designated for SSH connections is blocked.
There can be several reasons why you might be seeing the “Connection refused” error when trying to connect to a remote host using SSH. In this article, we’ll explore some common causes of this issue and provide potential solutions to help you resolve it.
Possible Causes of “Connection Refused” Error
- SSH service is not running on the remote host.
- Firewall on the remote host is blocking incoming SSH connections.
- Incorrect SSH port number specified.
- Host is not reachable due to network issues.
How to Troubleshoot “Connection Refused” Error
Here are some steps you can take to troubleshoot and resolve the “Connection refused” error in SSH:
- Check SSH Service Status: Verify that the SSH service is running on the remote host by checking the service status.
- Check Firewall Settings: Make sure that the firewall on the remote host is configured to allow incoming SSH connections on the designated port.
- Verify Port Number: Double-check the port number specified in your SSH command to ensure it matches the one configured on the remote host.
- Verify Network Connectivity: Ensure that the host is reachable from your local machine by checking network connectivity.
Conclusion
The “Connection refused” error in SSH can be frustrating, but with the right troubleshooting steps, you can often resolve the issue and successfully connect to the remote host. By following the tips outlined in this article, you can troubleshoot the error and establish a secure SSH connection to your desired host.