https://github.com/hmbsbige/nattypetester

测试当前网络的 NAT 类型（STUN）
https://github.com/hmbsbige/nattypetester

csharp nat rfc3489 rfc5389 rfc5780 rfc8489 stun tcp tls udp winui3 wpf

Last synced: 1 day ago
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测试当前网络的 NAT 类型（STUN）

• Host: GitHub
• URL: https://github.com/hmbsbige/nattypetester
• Owner: HMBSbige
• License: mit
• Created: 2018-05-18T14:15:18.000Z (almost 7 years ago)
• Default Branch: master
• Last Pushed: 2025-05-12T10:49:57.000Z (1 day ago)
• Last Synced: 2025-05-12T13:19:24.300Z (1 day ago)
• Topics: csharp, nat, rfc3489, rfc5389, rfc5780, rfc8489, stun, tcp, tls, udp, winui3, wpf
• Language: C#
• Homepage:
• Size: 3.25 MB
• Stars: 4,008
• Watchers: 30
• Forks: 236
• Open Issues: 5
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

Awesome Lists containing this project

README

        
# NatTypeTester

Channel | Status

-|-

CI | [![CI](https://github.com/HMBSbige/NatTypeTester/workflows/CI/badge.svg)](https://github.com/HMBSbige/NatTypeTester/actions)

Stun.Net | [![NuGet.org](https://img.shields.io/nuget/v/Stun.Net.svg?logo=nuget)](https://www.nuget.org/packages/Stun.Net/)

## RFC

* [RFC 3489](https://datatracker.ietf.org/doc/html/rfc3489)

* [RFC 5780](https://datatracker.ietf.org/doc/html/rfc5780)

* [RFC 8489](https://datatracker.ietf.org/doc/html/rfc8489)

## Internet Protocol

- [x] IPv4

- [x] IPv6

## Transmission Protocol

- [x] UDP

- [x] TCP

- [x] TLS-over-TCP

## RFC3489

![](pic/RFC3489.png)

## RFC5389

### Binding Test

  Checking for UDP Connectivity with the STUN Server

![](pic/RFC5780_4.2.png)

### Mapping Behavior

  Determining NAT Mapping Behavior

![](pic/RFC5780_4.3.png)

### Filtering Behavior

  Determining NAT Filtering Behavior

![](pic/RFC5780_4.4.png)

### Combining Tests

![](pic/RFC5780_4.5.png)