Android and iOS

mitmproxy and Python traffic automation

Network analysis, device automation and reproducible security tests.

Testing and device labs1 min readEditorial methods

mitmproxy connects traffic inspection with Python automation. Decide in advance how scripts will handle secret headers, user data and repeated operations.

Evaluation approach

Command-line, web and scriptable workflows are available. Filter credentials and personal data when recording requests. Keep test certificates separate from production trust settings.

Application example

Introduce specific response delays in your own test service and observe RASP verification timeouts. Record the user message and the server-side transaction state for the same scenario.

Limits and considerations

Some custom connections may remain outside proxy visibility. An error introduced by an add-on must not be mistaken for normal application behavior.

Targeted traffic observation with Python

mitmproxy add-ons can inspect selected requests and responses in a structured way. Begin with a narrow task, such as reporting whether a field exists in your own test service. Avoid logging raw tokens.

Introducing a proxy changes connection behavior, so include a comparison under normal network conditions. An inability to decrypt traffic does not establish correct API authorization or prove that RASP protects the application.

Checks and decisions

  • Version the add-on
  • Mask sensitive fields
  • Separate delay and error scenarios

For teams familiar with Python, mitmproxy is a capable experimental tool. State exactly what the script changed so that results can be interpreted correctly.

Sources

The primary references above provide the technical basis. Example workflows and evaluation suggestions are this publication’s explanations, not independent test results for a particular product.