Simon Willison’s Weblog

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32 items tagged “privacy”

2007

Visual Security: 9-block IP Identification. Smart (and pretty) trick for showing a representation tied to a commenter’s IP address without affecting their privacy. # 18th January 2007, 4:55 pm

2004

non-consensual http user tracking using caches. Interesting security issue involving HTTP caching headers # 20th January 2004, 10:37 pm