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I'm looking at existing python code that heavily uses Paramiko to do SSH and FTP. I need to allow the same code to work with some hosts that do not support a secure connection and over which I have no control.
Is there a quick and easy way to do it via Paramiko, or do I need to step back, create some abstraction that supports both paramiko and Python's FTP libraries, and refactor the code to use this abstraction?
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Paramiko relies on cryptography for crypto functionality, which makes use of C and Rust extensions but has many precompiled options available. See our installation page for details. SSH is defined in RFC 4251, RFC 4252, RFC 4253 and RFC 4254. The primary working implementation of the protocol is the OpenSSH project.
Using “Paramkio” Python library to connect to SFTP server Paramiko is a Python interface built around the SSHV2 protocol. By using Paramiko we can build client and server application as per the SSHV2 protocol requirements.
Paramiko helps you automate repetitive system administration tasks on remote servers. More advanced Paramiko programs send the lines of a script one at a time. It does this rather than transacting all of a command, such as df or last , synchronously to completion.
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).
No, paramiko has no support for telnet or ftp -- you're indeed better off using a higher-level abstraction and implementing it twice, with paramiko and without it (with the ftplib and telnetlib modules of the Python standard library).
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