https://github.com/enobufs/go-nats

NAT type discovery tool using STUN written purely in Go.
https://github.com/enobufs/go-nats

Last synced: 10 days ago
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NAT type discovery tool using STUN written purely in Go.

• Host: GitHub
• URL: https://github.com/enobufs/go-nats
• Owner: enobufs
• License: mit
• Created: 2019-09-12T21:58:52.000Z (about 5 years ago)
• Default Branch: master
• Last Pushed: 2023-07-20T17:41:21.000Z (over 1 year ago)
• Last Synced: 2024-06-20T15:46:56.401Z (5 months ago)
• Language: Go
• Size: 19.5 KB
• Stars: 29
• Watchers: 2
• Forks: 7
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# go-nats

NAT type discovery tool using STUN written purely in Go, powered by [pion](https://pion.ly).

## Usage

```

$ go build

$ ./go-nats -h

Usage of ./go-nats:

  -s string

        STUN server address. (default "stun.sipgate.net:3478")

  -v	Verbose

```

Example:

```

$ ./go-nats -s stun.sipgate.net

{

  "isNatted": true,

  "mappingBehavior": 0,

  "filteringBehavior": 2,

  "portPreservation": true,

  "natType": "Port-restricted cone NAT",

  "externalIP": "23.3.5.241"

}

```

> Depending on the type of NAT, it may take ~8 seconds.

## Public STUN servers

STUN servers to use must support RFC 5780 (NAT Behavior Discovery Using STUN).

Here's a list of public STUN servers that worked with go-nats as of Sep. 13, 2019.

* stun.ekiga.net

* stun.callwithus.com

* stun.counterpath.net

* stun.sipgate.net

* stun.sipgate.net:10000

* stun.1-voip.com

* stun.12connect.com

* stun.1und1.de

* stun.3clogic.com

> TODO: there may be more from this list: [Emercoin/ENUMER projects](http://olegh.ftp.sh/public-stun.txt)