Why ssh connection refused

You may get this error because the SSH client is not installed on your local system. You can check if it is installed or not with the following command. You can install it with the following command. You may not be able to connect to SSH because there is no ssh daemon running on remote server. You can verify this with the following command. In such cases, you need to install SSH server on remote server. You may also get this error, if you supply incorrect credentials.

Please make sure you are using the right username, password, and remote IP address. If the terminal responds that the service is down, enable it to resolve the issue. SSH can refuse a connection due to firewall restrictions. The firewall protects the server from potentially harmful connections. Ensure the firewall does not block SSH connections as this may cause the " connection refused " error.

To fix the issue we mentioned above, you can use ufw Uncomplicated Firewall , the command-line interface tool for managing firewall configuration. When you attempt a connection to a remote server, SSH sends a request to a specific port. To accept this request, a server needs to have the SSH port open. By default, SSH uses port To analyze SSH problems in Linux, you can turn on verbose mode or debugging mode. When you enable this mode, SSH prints out debugging messages which help troubleshoot issues with connection, configuration, and authentication.

This article listed some of the most common reasons for the SSH "Connection refused" error. To troubleshoot the issue, go through the list and make sure all the settings are configured correctly. Introduction Are you having problems accessing a remote server over SSH? Was this article helpful?

Sofija Simic. Once the terminal window is open, follow along with the unblocking instructions that correspond with the firewall you use. On many Linux servers and desktops, the UFW firewall is running by default. If this system is running, port 22 may be blocked.

To unblock it to allow SSH traffic through port 22, you will need to use the allow command. In the terminal, execute the sudo ufw allow ssh command. If you use SSH on a custom port other than port 22, entering the allow ssh command will not work, and UFW will continue blocking connections. To fix this, you can use the ufw allow command and specify a port to unblock.

First, you must log in to the root account in the terminal. Root access is required to tinker with FirewallD configuration settings.