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We currently run a script on our desktop that uses paramiko to ssh to a remote linux host. Once we are on the remote linux host we execute another command to log into another remote machine. What we want to do is from paramiko pass the keys to the remote server so we can use them again to ssh to another remote host.
This would be the equivalent functionality of 'ssh -A remotehost.com' in linux.
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From the configuration, go to Connection > SSH > Auth and enable “Allow agent forwarding.” You can also add your private key file from the same pane. PuTTY will handle the SSH agent for you, so you don't have to mess around with any config files.
Paramiko is a Python library that makes a connection with a remote device through SSh. Paramiko is using SSH2 as a replacement of SSL to make a secure connection between two devices. It also supports the SFTP client and server model.
An SSH Transport attaches to a stream (usually a socket), negotiates an encrypted session, authenticates, and then creates stream tunnels, called channels , across the session. Multiple channels can be multiplexed across a single session (and often are, in the case of port forwardings).
You can enable SSH agent forwarding for a session in paramiko using AgentRequestHandler. To do this, call paramiko.agent.AgentRequestHandler(s) with the session s. For example:
client = paramiko.client.SSHClient()
client.connect(host, port, username)
s = client.get_transport().open_session()
paramiko.agent.AgentRequestHandler(s)
See this post for more details and code.
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