https://github.com/database64128/opdt-go

Discover the actual outgoing address and port when behind a NAT.
https://github.com/database64128/opdt-go

Last synced: 3 months ago
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Discover the actual outgoing address and port when behind a NAT.

• Host: GitHub
• URL: https://github.com/database64128/opdt-go
• Owner: database64128
• License: agpl-3.0
• Created: 2022-12-02T12:39:15.000Z (over 3 years ago)
• Default Branch: main
• Last Pushed: 2026-02-18T09:23:00.000Z (3 months ago)
• Last Synced: 2026-02-18T13:59:25.204Z (3 months ago)
• Language: Go
• Size: 139 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
# Outgoing Port Discovery Tool

[![Go Reference](https://pkg.go.dev/badge/github.com/database64128/opdt-go.svg)](https://pkg.go.dev/github.com/database64128/opdt-go)

[![Test](https://github.com/database64128/opdt-go/actions/workflows/test.yml/badge.svg)](https://github.com/database64128/opdt-go/actions/workflows/test.yml)

[![Release](https://github.com/database64128/opdt-go/actions/workflows/release.yml/badge.svg)](https://github.com/database64128/opdt-go/actions/workflows/release.yml)

[![opdt-go AUR package](https://img.shields.io/aur/version/opdt-go?label=opdt-go)](https://aur.archlinux.org/packages/opdt-go)

[![opdt-go-git AUR package](https://img.shields.io/aur/version/opdt-go-git?label=opdt-go-git)](https://aur.archlinux.org/packages/opdt-go-git)

Discover the actual outgoing address and port when behind a NAT.

## Features

- Designed for easy and secure self-hosting.

- XChaCha20-Poly1305 AEAD.

## Usage

To get started, generate a PSK, edit the server configuration, and start the server:

```bash

openssl rand -base64 32

sudo nano /etc/opdt-go/config.json

sudo systemctl enable --now opdt-go

```

Run the program in client mode to discover the client address and port:

```bash

opdt-go -client '[2001:db8:bd63:362c:2071:a0f6:827:ab6a]:20220' -clientBind ':10128' -clientPSK 'XbQZKDJTbbhuSwF0muQx6L9swsAmf0VOYIApri7nHUQ='

```

## License

[AGPLv3](LICENSE)