__mitmdump__ is the command-line companion to mitmproxy. It provides tcpdump-like functionality to let you view, record, and programmatically transform HTTP traffic. See the _--help_ flag output for complete documentation. # Examples ## Saving traffic

    > mitmdump -w outfile

Start up mitmdump in proxy mode, and write all traffic to __outfile__. ## Filtering saved traffic

    > mitmdump -nr infile -w outfile "~m post"

Start mitmdump without binding to the proxy port (_-n_), read all flows from infile, apply the specified filter expression (only match POSTs), and write to outfile. ## Client replay

    > mitmdump -nc outfile

Start mitmdump without binding to the proxy port (_-n_), then replay all requests from outfile (_-c filename_). Flags combine in the obvious way, so you can replay requests from one file, and write the resulting flows to another:

    > mitmdump -nc srcfile -w dstfile

See the [Client-side Replay](@!urlTo("clientreplay.html")!@) section for more information. ## Running a script

    > mitmdump -s examples/add_header.py

This runs the __add_header.py__ example script, which simply adds a new header to all responses. ## Scripted data transformation

    > mitmdump -ns examples/add_header.py -r srcfile -w dstfile

This command loads flows from __srcfile__, transforms it according to the specified script, then writes it back to __dstfile__.