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Remote access to a private network: If you need to access resources on a private network from a remote location, you can use SSH tunneling to create a secure connection to the private network. This can be especially useful if you need to access a network or service from a public or untrusted network, such as a coffee shop or airport. Securely accessing a remote network: SSH tunneling can be used to securely connect to a remote network, allowing you to access resources on the network as if you were physically connected to it. Here are a few examples:īypassing firewalls: If you are unable to connect to a remote network or service due to a firewall, you can use SSH tunneling to bypass the firewall and securely connect to the network or service. There are many different use cases for SSH tunneling, also known as SSH port forwarding. Some of the use cases of SSH tunneling / SSH port forwarding This can be useful if you just want to use the tunnel and don't need to run any commands on the remote machine. Note that you can also use PuTTY to create an SSH tunnel without connecting to a remote shell by enabling the 'Don't start a shell or command at all' option in the 'Connection > SSH > Tunnels' settings. Remote machine and will connect remotely hosted mysql using localhost or 127.0.0.1 and once the connectin is established you will beĪble to access mysql on your local machine my connecting to 127.0.0.1 at port 3306. In this scenario we will configure Source port: 3306 and Destination: 127.0.0.1:3306. Accessing remote MySQL server which is not exposed to Firewall and Public IP This would allow you to access the web server running on the remote machine by visiting on your local machine. You should now be connected to the remote machine, and any traffic sent to the specified local port will be forwarded to the specified remote port on the remote machine.įor example, to forward traffic from port 8080 on your local machine to port 80 on a remote machine, you could use the following settings:

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When prompted, enter your username and password for the remote machine. Then click the 'Save' button to save the connection.Ĭlick the 'Open' button to establish the connection and create the tunnel.

In the 'Category' pane, navigate to 'Session' and enter a name for the connection in the 'Saved Sessions' field. For example: remotehost:80Ĭlick the 'Add' button to add the tunnel to the list.

In the 'Destination' field, enter the hostname or IP address of the remote machine, followed by a colon and the port on the remote machine that you want to forward to. This is the port that you will use on your local machine to access the network or service on the remote machine. In the 'Source port' field, enter the local port that you want to use for the tunnel. In the 'Category' pane on the left, navigate to 'Connection > SSH > Tunnels'. Open PuTTY and enter the hostname or IP address of the remote machine in the 'Host Name (or IP address)' field.

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To create an SSH tunnel in Windows using PuTTY:

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You can download it from the official website ( ).

Putty port forwarding how to#

In this blog post, we'll show you how to create an SSH tunnel in Windows using PuTTY, a popular SSH client for Windows.īefore you begin, you will need to have PuTTY installed on your local machine. SSH Port Forwarding - Port Tunnling Using Putty on WindowsĪre you in a situation where you need to access a network or service that is only available on a remote machine, but you are unable to connect directly due to firewalls or other restrictions? One solution is to use SSH tunneling, also known as SSH port forwarding, to securely forward network traffic from one device to another using a Secure Shell (SSH) connection.