Snoopy

A VPN written in Rust.

Inspired by https://write.yiransheng.com/vpn

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Demo - netcat between two containers

peer_1

Virtual Network IP: 10.0.0.2

peer_2

Virtual Network IP: 10.0.0.3

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Usage

1. Install just - https://just.systems/man/en/

2. Build the binary and image

just build-image

3. Start the peers

docker compose up

4. Exec into the containers from two different terminal sessions

just exec-peer-1 # peer-1

# another session
just exec-peer-2 # peer-2

5. Use the virtual addresses for communication

Example:

# peer_1
nc -vl 10.0.0.2 12345

# from peer_2
nc -v 10.0.0.2 12345

6. Stop the containers

docker compose down

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Credits

• https://github.com/meh/rust-tun/

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