- From: Mark Nottingham <mnot@mnot.net>
- Date: Mon, 25 Jul 2011 14:58:24 -0400
- To: Bjoern Hoehrmann <derhoermi@gmx.net>
- Cc: ietf-http-wg@w3.org
Hi Bjoern, Can you suggest text? Seems it would need to be in p2 (redirects), p4 (conditional) as well as p6 (caching). Cheers, On 25/07/2011, at 2:54 PM, Bjoern Hoehrmann wrote: > Hi, > > http://tools.ietf.org/html/draft-ietf-httpbis-p6-cache-15 currently > does mention that "Because cache contents persist after an HTTP request > is complete, an attack on the cache can reveal information long after a > user believes that the information has been removed from the network", > but does not seem to address privacy issues that go along with that. > > "Evercookie" for instance abuses the ETag header as tracking mechanism, > and specially crafted cached resources to the same end; others abuse 301 > redirects, and there are other features that can be abused this way. The > draft should note this as a general problem and cite some of the things > we know about as examples. > > regards, > -- > Björn Höhrmann · mailto:bjoern@hoehrmann.de · http://bjoern.hoehrmann.de > Am Badedeich 7 · Telefon: +49(0)160/4415681 · http://www.bjoernsworld.de > 25899 Dagebüll · PGP Pub. KeyID: 0xA4357E78 · http://www.websitedev.de/ > -- Mark Nottingham http://www.mnot.net/
Received on Monday, 25 July 2011 18:58:48 UTC