https://proxy.incolumitas.com/proxy_detect.html 代理检测工具
https://proxy.888005.xyz/ 代理检测工具

https://ipcheck.ing/#/ 在线 ip 工具, 有提供 docker 自行部署
curl 4.ipcheck.ing/geo

# 获取当前 ip 
https://ifconfig.io/
curl ifconfig.xapi.fun/ip

https://ifconfig.xapi.fun/
https://ipconfig.io/

https://whoer.net/zh#
https://ip.chinaz.com/
https://bot.sannysoft.com/
https://2ip.io/privacy/
https://httpbin.org/headers
https://coveryourtracks.eff.org/
https://www.ip-score.com/
https://browserleaks.com/canvas
https://www.lalit.org/lab/javascript-css-font-detect/
https://www.xiaohongshu.com/explore
[dns ip 泄露测试] https://dnsleaktest.org/dns-leak-test
[webrtc ip 泄露测试] https://ip8.com/webrtc-test 
https://proxycheck.io/
https://whatismyipaddress.com/
https://ipleaks.io/

- 《关于WebRTC泄露真实IP》
http://program.robinjia.cc/2023/04/15/%E5%85%B3%E4%BA%8EWebRTC%E6%B3%84%E9%9C%B2%E7%9C%9F%E5%AE%9EIP/

chrome 插件
WebRTC Leak Shield (Disable WebRTC and prevent IP leak.)