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Quick encrypt for your coffee shop traffic.

Just a little function to add to your .profile that automatically turns on a socks proxy and tunnels all your traffic through the server of your choice. It’s a simple setup and <CTRL>-C kills the connection and shuts off the proxy. This assumes that you have shell access to some server that you trust to run your traffic through.

I recommend setting up public key authentication for ease of use.

# warm feet
function socks() { 
  networksetup -setsocksfirewallproxy AirPort localhost 9999
  ssh -ND 9999 -C username@domain
  networksetup -setsocksfirewallproxystate AirPort off
}

(One caveat: If you happen to close the window of your terminal without hitting <CTRL>-C first, it will not disable the socks proxy.)

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This entry was posted on Monday, May 16th, 2011 at 12:19 am and is filed under command line fu, security. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “Quick encrypt for your coffee shop traffic.”

  1. Bermi Says:
    August 16th, 2011 at 10:41 am

    Nice script.

    You should have a look at Sidestep http://chetansurpur.com/projects/sidestep/. It enables socks transparently when the wifi is not encrypted.

  2. Jason Mooberry Says:
    August 17th, 2011 at 12:58 pm

    Nice! I might recommend that to a few friends. :)

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