Setup a Static IP for Python SFTP using Paramiko & SOCKS

Learn how to route Python SFTP file transfers through a QuotaGuard Static IP using Paramiko and a SOCKS proxy.

Prerequisites

pip install paramiko PySocks

Instructions

Run example
QUOTAGUARDSTATIC_URL=... python app.py

Be sure to set QUOTAGUARDSTATIC_URL to your proxy URL from the QuotaGuard Dashboard. Either the HTTP or the SOCKS URL will work because the program will convert to the right port number.

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Test in Docker
docker build -t qg-static-python-sftp-paramiko-example .
docker run -e QUOTAGUARDSTATIC_URL=... qg-static-python-sftp-paramiko-example

Code Samples

app.py
#/usr/bin/env python
import os
import paramiko
import socks

from urllib.parse import urlparse

if __name__ == '__main__':
    proxy = urlparse(os.environ['QUOTAGUARDSTATIC_URL'])
    sock=socks.socksocket()
    sock.set_proxy(
        proxy_type=socks.SOCKS5,
        addr=proxy.hostname,
        port=1080,
        username=proxy.username,
        password=proxy.password,
    )
    sock.connect(('test.rebex.net', 22))

    tport = paramiko.Transport(sock)
    tport.connect(username='demo',password='password')

    sftp = paramiko.SFTPClient.from_transport(tport)

    sftp.get('readme.txt','readme.txt')

    sftp.close()
    tport.close()

    #print the contents of the file downloaded
    f = open('readme.txt', 'r')
    file_contents = f.read()
    print(file_contents)
    f.close()

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Docker File
FROM python:latest

#install paramiko
RUN pip install -U pip && \
    pip install paramiko PySocks

WORKDIR /app

COPY app.py app.py

ENTRYPOINT [ "python", "app.py" ]
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