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Do Not Track Plus: A tool to protect your online privacy | TechRepublic
Do Not Track Plus: A tool to protect your online privacy | TechRepublic
By Michael Kassner
February 13, 2012, 7:53 AM PST
Takeaway: If you're concerned about privacy online, but find anti-tracking software difficult to understand, there's an app for that. Michael Kassner checks out DNT+.
Kerrigan: It's best to discuss the features in terms of web-browser activity:
•Web browser start-up: DNT+ sets opt-out cookies. Opt-out cookies are non-unique, non-personally-identifiable cookies that inform advertisers not to deliver targeted advertisements.
•While browsing: DNT+ examines each request your browser receives. If DNT+ determines it's a tracking request (like a 1-pixel image or tracking JavaScript), the request is denied, and no connection is established between the web browser and the remote web server. DNT+ blocks tracking requests from third-party domains, as well as first-party requests for known tracking code.
•While browsing: DNT+ sends the Do Not Track header — a new standard of requesting that companies don't track you online to every web server. However, there isn't an agreed-upon meaning for what companies need to do when they see this header. That's why we also block requests we think are occurring to track you.
•Web browser shutting down: Upon closing, DNT+ will remove all set opt-out cookies.
All of the above takes place locally on the client computer. Abine is only aware of two things:
•IP addresses of devices downloading DNT+ are counted to keep track of how many copies of DNT+ exist.
•Abine servers see when client software asks for tracking-information updates.
And we being very privacy-conscious, will not collect personally-identifiable information.