Medium-level filter bypass: The Onion Router (tor) for Windows


The Onion Router, or tor, is a tool specifically designed to enable secure access to Internet content blocked in oppressive regimes. Earlier versions were somewhat difficult to set up, requiring you to edit config files. However, newer versions make the set up process absurdly simple.

There is an excellent how-to on the tor project site, however, I will explain how to set it up here too.

This guide is for Windows users only. I advise users of MacOS to go to https://www.torproject.org/documentation.html.en and follow the excellent guide there.

  1. Visit http://www.torproject.org/
  2. Click “Download Tor”
  3. Click on the “Installation Bundle for Windows”
  4. Once the file has downloaded, run it to begin the install process.
    Tor install, step 1
    At the first page click Next

    Tor install, step 2
    On the second page, I recommend you leave the options set to their defaults, ie. Full install. If you don’t have Firefox installed, untick Torbutton. Click Next.

    Tor install, step 3
    Click Install to begin the installation.

    Tor install, step 4
    The install is now complete. Click Next.

    Tor install, step 4.1
    If you installed Torbutton, Firefox will ask you to confirm its installation. Click Install Now.

    Tor install complete
    Click Finish to quit the installer and start the newly installed tools.

  5. You should now see a window like this
    1st tor start
    After a short time it should display that it is connected to the Tor network:
    Tor success
  6. If this is displayed, skip to step 10. If it is not, your ISP is likely blocking connections to the Tor network. Fortunately, Tor has a few tricks to get around these restrictions.
  7. On the Vidalia Control Panel, click the Settings button
    Tor Settings
    Next, click the Network tab at the top of the new window

    Tor network settings
    If your ISP has a HTTP proxy (if it doesn’t, leave the box unchecked), click “I use a proxy to access the Internet” and enter its details. Then click the “My ISP blocks connections to the Tor Network” checkbox.

    Tor bridges config
    Leave this window open, we will need it again soon

  8. Open your web browser and head to https://bridges.torproject.org you should see a page like this:
    Tor bridge relay page
    For each of the 3 lines on this page starting with “bridge” select and copy each into the box labelled “Add a Bridge:” in the Settings window. You should end up with something like this:
    Tor filled out bridge page
    Click OK.
  9. In the main Vidalia Control Panel window click “Start Tor” (you may need to click “Stop Tor” first). If all goes well, Tor should now connect successfully.
  10. The last step is different for each web browser. I will show you how to do it in Internet Explorer and Firefox.
    • Firefox: If you have torbutton installed, you simply click the new tor button in firefox to enable tor. If you didn’t install torbutton (like me) you’ll need to do it manually:
      In Firefox, click Tools -> Options -> Advanced -> Network -> Settings…
      Firefox tor settings
      Enter these settings and click OK and OK again.
      You are now browsing anonymously using the Tor network.
    • Internet Explorer:
      • Open the Windows Control Panel
      • Open Internet Options
      • Click the “Connections” tab
      • Click LAN settings
      • Set the options to this:
        Internet Exploder Tor settings
      • Click OK and OK again.
        You are now browsing anonymously using the Tor network.

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