The majority of large corporate organizations usually employ a MITM proxy to scan and filter digital traffic moving within their internal network and an outside network (such as the internet). It may even manipulate the request being sent, or modify the information coming back.Ī MITM proxy need not be “malicious”, although I guess this depends on your view of information privacy and the implementation of IT security controls. The proxy is able to intercept and parse the information being sent back and forth between the client and the server. a Wi-Fi access point or a network router) in between a client (your phone, your laptop) and the server you intend to communicate with. What is a Man-In-The-Middle ProxyĪn man-in-the-middle proxy is a piece of software running on a device (e.g. I have repeated much of the original content, especially the overview and explanations, so you do not need to refer back to the original 2019 post. This post is an update to my 2019 page on Running a man-in-the-middle proxy on a Raspberry Pi 3, now revisited and rewritten to accommodate using a Raspberry Pi 4, the current version of mitmproxy (v8.0.0), Raspberry Pi OS (bullseye) as well as changes to how some of the software is installed and configured.

Raspberry pi network usage