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Guerlando OCs
Asked: 2020-04-27 14:42:04 +0800 CST

How to use docker container as a proxy?

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I have the following docker-compose:

version: '3'
services:
  mitmproxy:
    image: johnmccabe/mitmweb
    container_name: mitmproxy
    command: --cadir /ca --wiface 0.0.0.0 
    restart: always
    ports:
        #- "8080:8080"
        - "8081:8081"

  python:
    image: python
    build: ./python-socks-example
    command: python3 /home/project/socks-example.py
    volumes:
      - ./python-socks-example:/home/project/
    depends_on:
       - mitmproxy
    container_name: python
    restart: always

I want my python HTTP requests to go through mitmproxy on the other container. Here's the python code:

import requests
import time

while(True):
    time.sleep(5)
    print("gonna connect")
    resp = requests.get('http://google.com', 
                    proxies=dict(http='socks5://user:[email protected]:8080',
                                 https='socks5://user:[email protected]:8080'))
    print(resp)
    print("done")
    time.sleep(2)

How can I wire the network of python to go through mitmproxy container?

python docker mitmproxy

1 Answers

  1. In your python code, you'll need to reference the other service.

    The proxy URL should be updated to have the right hostname. Which is to say replacing server.com with the name of of the service offering whatever you're trying to connect to.

    In this case, you'd replace server.com with mitmproxy.

    Meaning your python code would look as such:

    import requests
import time

while(True):
    time.sleep(5)
    print("gonna connect")
    resp = requests.get('http://google.com', 
                    proxies=dict(http='socks5://user:pass@mitmproxy:8080',
                                 https='socks5://user:pass@mitmproxy:8080'))
    print(resp)
    print("done")
    time.sleep(2)
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