Awesome

gostun

本机NAT类型检测工具

Local NAT type detection tool (NatTypeTester)

类型说明[Information]

NatMappingBehavior:
inconclusive
endpoint independent (no NAT)
endpoint independent
address dependent
address and port dependent

NatFilteringBehavior:
inconclusive
endpoint independent
address dependent
address and port dependent

NAT Type	Nat Mapping Behavior	Nat Filtering Behavior
Full Cone	`endpoint independent`	`endpoint independent`
Restricted Cone	`endpoint independent`	`address dependent`
Port Restricted Cone	`endpoint independent`	`address and port dependent`
Symmetric	`address and port dependent`	`address and port dependent`
Inconclusive	`inconclusive`	`inconclusive`

TODO

加入UDP检测

使用说明[Usage]

下载、安装、更新

curl https://raw.githubusercontent.com/oneclickvirt/gostun/main/gostun_install.sh -sSf | sh

使用

gostun

或

./gostun

进行测试

无环境依赖，理论上适配所有系统和主流架构，更多架构请查看 https://github.com/oneclickvirt/gostun/releases/tag/output

Usage: gostun [options]
  -e    Enable logging functionality (default true)
  -h    Display help information
  -server string
        Specify STUN server address (default "stun.voipgate.com:3478")
  -timeout int
        Set timeout in seconds for STUN server response (default 3)
  -v    Display version information
  -verbose int
        Set verbosity level

卸载

rm -rf /root/gostun
rm -rf /usr/bin/gostun

在Golang中使用

go get github.com/oneclickvirt/gostun@latest

感谢[Thanks]

https://datatracker.ietf.org/doc/html/rfc3489#section-5

https://datatracker.ietf.org/doc/html/rfc4787#section-5

https://github.com/pion/stun/tree/master/cmd/stun-nat-behaviour