Recording and sending http requests using mitmproxy and mitmdump

• Start mitmproxy
  

  $ mitmproxy -p 4444 -w localhost.requests
  

• Set up your internal web proxy, on Mac OS this can be set up in the System Preferences application. Network > Advanced > Proxies > Web Proxy (HTTP), Your proxy must use localhost:4444
• Now you are able to use your browser to record your requests
• Using this command the recorded requests can be resent

$ mitmdump -nc localhost.requests

• I had problems executing the last command in parallel in the same machine, I sorted this out choosing different ports, so it could run in parallel, the following script executes 100 instances of mitmdump

#! /bin/sh

max=100
for i in `seq 1 $max`
do
    echo "$i"
    port=$((i + 9000))
    mitmdump -c localhost.requests -p $port &
done