Ssh tunnel through one host to download file

 · Step 1: Gather the Necessary Information. To transfer a file from a remote server via SSH using SCP, we need the following pieces of information: Login credentials – username, server name or IP address, and password. The port number for SSH connections. The Estimated Reading Time: 3 mins. If the SSH Servers tab is enabled on your instance, you can download the public key to a text file by clicking the Download Key button when you enter your SSH configuration information. If you are configuring your SSH tunnel with the assistance of a Looker analyst, your Looker analyst will provide you with a unique public key. Run ssh -D your_host_b. This will make ssh listen on port on localhost, and use your remote host as a SOCKS proxy. Alternatively, run ssh -ND your_host_b instead. -N will prevent ssh from running any command on the remote server (i.e. it won't open a shell). Run: proxychains4 yourcommandhere yourparametershere. See some examples.

I use WinSCP desktop application on Windows server for a physical interface to upload files to a Linux server. I use SCP protocol, and in Advanced options I pass a SSH command ssh username@ipaddress on connection to security server to tunnel to the server where I want to upload files. This allows me to upload files directly from Windows through the Linux security server to the end point Linux. The app servers can ssh to noone. A file is to be transferred from app-dev to app-qa. Both jump servers lack the space for an interim copy of the data. You can solve this with ssh tunneling. We set up a connection to one remote app server, carrying a remote tunnel that connects back to an unused port on its jump server. Step 1: Choose a host on which to terminate the tunnel. The first step to set up SSH tunnel access for your database is to choose the host that will be used to terminate the tunnel. The tunnel can be terminated on either the database host itself, or on a separate host (the tunnel server).

Run ssh -D your_host_b. This will make ssh listen on port on localhost, and use your remote host as a SOCKS proxy. Alternatively, run ssh -ND your_host_b instead. -N will prevent ssh from running any command on the remote server (i.e. it won't open a shell). Run: proxychains4 yourcommandhere yourparametershere. See some examples. How to download a file via SSH This particular guide covers one specific feature – downloading files over SSH. There are a few benefits SSH may offer in terms of downloading files: The connection is encrypted all the way through, so you may not worry about the fact that files may get compromised during the transfer. There are three different types of SSH tunneling, and they’re all used for different purposes. Each involves using an SSH server to redirect traffic from one network port to another. The traffic is sent over the encrypted SSH connection, so it can’t be monitored or modified in transit.