How to Fix “Network Error: Connection Refused” in PuTTY When Connecting to a Linux Machine

Are you facing the “Network Error: Connection Refused” error while trying to connect to your Linux machine through PuTTY using port 22? This video will guide you through the common causes and effective solutions to fix this issue.

Common Causes:

Firewall Restrictions: Your firewall might be blocking incoming SSH connections.
SSH Service Not Running: The SSH service might not be active on the Linux machine.
Incorrect IP Address or Hostname: You might be using the wrong address to connect.
Network Connectivity Issues: There could be network problems preventing the connection.
Solutions:

Check Firewall Settings:

Disable Firewall Temporarily: Use commands like systemctl stop firewalld or ufw disable to temporarily disable the firewall.
Allow SSH Traffic: Configure your firewall to allow incoming SSH traffic on port 22. Refer to your firewall’s documentation for specific commands.
Start the SSH Service:

Check Service Status: Use systemctl status sshd to verify if the SSH service is running.
Start the Service: If it’s not running, start it with systemctl start sshd.
Verify IP Address and Hostname:

Check IP Address: Ensure you’re using the correct IP address of your Linux machine.

Additional Tips:

Check SSH Configuration: Ensure the sshd_config file on your Linux machine is configured correctly.
release port 22 and you will resolve this error.

By following these steps and troubleshooting the common causes, you should be able to resolve the “Network Error: Connection Refused” error and successfully connect to your Linux machine using PuTTY.

#PuTTY #SSH #Linux #NetworkError #ConnectionRefused #Troubleshooting

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