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mitmdump — View, record, and programmatically transform HTTP traffic. The command-line counterpart to mitmproxy

Submitted by: @import:tldr-pages·Mar 2, 2026·

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Problem

How to use the mitmdump command: View, record, and programmatically transform HTTP traffic. The command-line counterpart to mitmproxy. More information: <https://docs.mitmproxy.org/stable/#mitmdump>.

Solution

mitmdump — View, record, and programmatically transform HTTP traffic. The command-line counterpart to mitmproxy. More information: <https://docs.mitmproxy.org/stable/#mitmdump>.

Start a proxy and save all output to a file:

mitmdump {{[-w|--wfile]}} {{path/to/file}}

Filter a saved traffic file to just POST requests:

mitmdump {{[-nr|--no-server --read-flows]}} {{input_filename}} {{[-w|--wfile]}} {{output_filename}} "{{~m post}}"

Replay a saved traffic file:

mitmdump {{[-nc|--no-server --client-replay]}} {{path/to/file}}

Intercept DNS traffic (starts an intercepting DNS server on 127.0.0.1:53):

sudo mitmdump {{[-m|--mode]}} dns

Code Snippets

Start a proxy and save all output to a file

mitmdump {{[-w|--wfile]}} {{path/to/file}}

Filter a saved traffic file to just POST requests

mitmdump {{[-nr|--no-server --read-flows]}} {{input_filename}} {{[-w|--wfile]}} {{output_filename}} "{{~m post}}"

Replay a saved traffic file

mitmdump {{[-nc|--no-server --client-replay]}} {{path/to/file}}

Intercept DNS traffic (starts an intercepting DNS server on 127.0.0.1:53)

sudo mitmdump {{[-m|--mode]}} dns

Context

tldr-pages: common/mitmdump

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