ThinkerQAQ

NOTE

2.4 Fiddler

Historical notes on Fiddler, its interface, HTTPS/proxy settings, filters, and Android packet capture.

Computer NetworksCreated Updated 1 min readhistorical

This is a historical learning note and may contain outdated or incomplete understanding.

1. How It Works

Fiddler acts as a man in the middle.

2. Fiddler UI

2.1. Toolbar

2.2. Status Bar

2.3. Session Tools

  • Statistics: performance analysis.

  • Inspectors: inspect an HTTP transaction.

  • AutoResponder: customize response information.

  • Filter: filters.

3. Common Operations

3.1. Configure HTTPS

  • Tool - Options
  • HTTPS

3.2. Configure a Proxy

  • Tool - Options

  • Connections

  • Browser

3.3. Add a Server IP Column

  • Ctrl+R
  • Ctrl+F and find static function Main()
  • Add FiddlerObject.UI.lvSessions.AddBoundColumn("ServerIP", 120, "X-HostIP");
  • Ctrl+S

3.4. Enable Filter Rules

  • Rules

3.5. Capture Android Traffic

  • Put the phone and PC on the same LAN.
  • Configure Fiddler to allow remote connections.
  • Set the phone proxy to PCIP:8888.
  • Visit PCIP:8888 on the phone to install the certificate.

4. References

Discussion

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