nat-api

Fast port mapping with UPnP and NAT-PMP in NodeJS.

This is a fork version of nat-api.

The major differences are:

• Use typescript, so has type definition.
• Split PMP and upnp API, so you can use them individually.
• Support ESM.
• Optimize the dependencies. (only 2 up-to-dated deps)

Install

Required: NodeJS >= 16

npm install @xmcl/nat-api

Usage

const { createUpnpClient } = require('nat-api')

const client = await createUpnpClient()

// map 25565 to 25565 for 1 min:
await client.map({
  description: "Mapped by @xmcl/nat-api",
  protocol: 'tcp',
  public: 25565,
  private: 25565,
  ttl: 60 * 1000,
})

// Unmap port public and private port 25565 with TCP by default
await client.unmap({ port: 25565 })

// Get external IP
const mappings = await client.getMappings()

// see existed mappings
console.log(mappings)

// Destroy client
client.destroy()

API

See type definition in typescript.

Additional Information

• http://miniupnp.free.fr/nat-pmp.html
• http://wikipedia.org/wiki/NAT_Port_Mapping_Protocol
• http://tools.ietf.org/html/draft-cheshire-nat-pmp-03

License

MIT. Copyright (c) Alex