ANSSI-FR
lidi
Rust

Transfer a raw TCP or Unix stream or files through a unidirectional link with forward error correction

Last updated Jun 18, 2026
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README

lidi

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French Cybersecurity Agency (ANSSI)

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*This projet is managed by ANSSI. To find out more, you can go to the page (in French) dedicated to the ANSSI open source strategy. You can also click on the badges above to learn more about their meaning*

What is lidi?

Lidi (leedee) allows you to copy TCP or Unix streams or files over a unidirectional link.

It is usually used along with an actual network diode device but it can also be used over regular bidirectional links for testing purposes.

For more information about the general purpose and concept of unidirectional networks and data diode: Unidirectional network.

Where to find some documentation?

The user documentation is available at , or can be built and opened with:

$ cd doc
$ make html
$ xdg-open _build/html/index.html

The developer documentation can be built and opened by running:

$ cargo doc --document-private-items --no-deps --lib --open
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