Macworld: Feature: Securing your iPhone’s traffic

See what your iPhone reveals

Configure the Sharing -> Internet tab to turn on an AirPort network your iPhone can connect to in order to capture data.

You can duplicate the test I ran above with any Mac that has both Ethernet and AirPort built in by following the steps below. You’ll need to have the FTP program Interarchy from Nolobe installed. (The single-user version costs $60, though there is a free demo available.) — GF

  1. Launch System Preferences.
  2. Click Sharing.
  3. Click the Internet tab.
  4. Select your Ethernet connection from the Share Your Connection From menu.
  5. Check AirPort in the list under To Computers Using.
  6. Click AirPort Options to set WEP encryption (optional).
  7. Click Start. Click Yes when warned about network sharing issues.
  8. Launch Interarchy.
    From the File -> Net menu, choose Traffic.
  9. In the Network Interface popup menu at the right, choose AirPort. (AirPort will be followed by something like (en1), which is the operating system’s interface identifier, and isn’t significant here.)
    From the Packet Filter menu, choose Everything.
  10. On your iPhone, choose the computer network you just created.

— (Via Macworld: » Feature: Securing your iPhone’s traffic).

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