Layered Protection for Web Tracking Layered Protection for Web Tracking – position paper, W3C Workshop on Web Tracking and User Privacy – position paper, W3C Workshop on Web Tracking and User Privacy Presenter: Wu Chou Authors: Wu Chou, Li Li Avaya Labs Research Avaya Inc . {wuchou,lli5}@avaya.com 1
Issues in Web Tracking Binary Web Tracking protection mechanism may not be suitable for enterprise – Enterprise can have tracking policies – User can have their own tracking preferences Where to enforce these rules: Web browser or Web proxy – Web browser requires user configuration – Web proxy is optional – Web proxy cannot always enforce precedence When to enforce these rules – A device may move in and out of enterprise networks Interoperability between rules and Web browsers – Enterprise may switch the supported web browsers Wu Chou – 04/28/2011 2
A Layered Prote tecti tion again inst We Web Trackin ing Layered Rules If a tracking site is in enterprise policies, then Enterprise use the matched policy tracking policies else If it is in personal preferences, then use the matched preference Personal tracking HTTP otherwise preferences GET use the “Do Not Track” option. Local File Built-in Web browser web site tracking site Wu Chou – 04/28/2011 3
Se Sequ quence nce Dia iagr gram am Wu Chou – 04/28/2011 4
5 Wu Chou – 04/28/2011
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