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Fiddler 启动代理服务
1. 开启 HTTPS 捕获
首先「Tools > Options」打开选项窗口,切换至「HTTPS」选项卡。

选项说明:
- Capture HTTPS CONNECTs:拦截 HTTPS 和 WebSocket 隧道请求。;
- Decrypt HTTPS traffic:解密 HTTPS,以明文的方式显示 HTTPS 流量;
- from ... selection:
- from all processes:解密所有的 HTTPS 流量;
- from browsers only:只解密来自浏览器的 HTTPS 流量;
- from non-browsers only:只解密来自非浏览器的 HTTPS 流量;
- from remote clients only:只解密来自远程客户端的 HTTPS 流量;
- Ignore server certificate errors (unsafe):抑制当远程服务器呈现无效证书时显示的警告;
- Check for certificate revocation:验证远程证书未被吊销;
这里必须勾选「Capture HTTPS CONNECTs」、「Decrypt HTTPS traffic」,其它选项可以根据需要进行选择。
首次勾选「Capture HTTPS CONNECTs」选项时,会弹出证书安装的提示,若没有,也可以手动安装「Actions > Trust Root Certificate」。

根证书的名称为:DO_NOT_TRUST_FiddlerRoot。

2. 启动代理服务
切换至「Connections」选项卡:

勾选「Allow remote computers to connect」来允许远程计算机通过 Fiddler 路由流量。开启后 Fiddler 会在本地建立一个代理服务器,端口号默认为 8888 可以根据需要进行修改。
设置完成后,需要重启 Fiddler,在重启后,你可能会看到防火墙的提示,请求允许远程访问的权限。如果没有看到此提示,则可能需要手动重新配置防火墙。
3. 检查代理服务
启动 PowerShell,输入 netstat -ano | findstr "8888" 回车:
PowerShell
PS C:\Users\UserName> netstat -ano | findstr "8888"
TCP 0.0.0.0:8888 0.0.0.0:0 LISTENING 11864
TCP 10.0.0.6:56687 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:56694 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:57895 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:57997 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:58019 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:58074 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:58090 207.148.23.245:28888 FIN_WAIT_2 17396
TCP 10.0.0.6:58093 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:58150 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:58152 207.148.23.245:28888 ESTABLISHED 17396
TCP 10.0.0.6:58154 207.148.23.245:28888 ESTABLISHED 17396
TCP 127.0.0.1:8888 127.0.0.1:58103 ESTABLISHED 11864
TCP 127.0.0.1:8888 127.0.0.1:58109 ESTABLISHED 11864
TCP 127.0.0.1:8888 127.0.0.1:58118 ESTABLISHED 11864
TCP 127.0.0.1:8888 127.0.0.1:58120 ESTABLISHED 11864
TCP 127.0.0.1:8888 127.0.0.1:58126 ESTABLISHED 11864
TCP 127.0.0.1:8888 127.0.0.1:58134 ESTABLISHED 11864
TCP 127.0.0.1:58103 127.0.0.1:8888 ESTABLISHED 4108
TCP 127.0.0.1:58109 127.0.0.1:8888 ESTABLISHED 11864
TCP 127.0.0.1:58118 127.0.0.1:8888 ESTABLISHED 11864
TCP 127.0.0.1:58120 127.0.0.1:8888 ESTABLISHED 11864
TCP 127.0.0.1:58126 127.0.0.1:8888 ESTABLISHED 4108
TCP 127.0.0.1:58134 127.0.0.1:8888 ESTABLISHED 4108
TCP [::]:8888 [::]:0 LISTENING 118641
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