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NNCP

NNCP (Node to Node copy) is a collection of utilities simplifying secure store-and-forward files and mail exchanging.

See also this page on russian.

This utilities are intended to help build up small size (dozens of nodes) ad-hoc friend-to-friend (F2F) statically routed darknet networks for fire-and-forget secure reliable files, file requests and Internet mail transmission. All packets are integrity checked, end-to-end encrypted, explicitly authenticated by known participants public keys. Onion encryption is applied to relayed packets. Each node acts both as a client and server, can use push and poll behaviour model.

Out-of-box offline sneakernet/floppynet, dead drops and air-gapped computers support. But online TCP daemon with full-duplex resumable data transmission exists.

Look for possible use cases!

NNCP is copylefted free software licenced under GNU GPLv3+. It should work on all POSIX-compatible systems. Easy integration with existing SMTP servers. Single YAML configuration file.

Why create yet another store-and-forward solution when UUCP, FTN and even SMTP exists? Look in comparison section! Simplicity, cryptographic security, sneakernet compatibility and easy integration with current SMTP servers are the reasons.

Interested? Download it!

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