[tor-bugs] #13035 [Tor Browser]: Make sure our cache isolation works with cache2

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#13035: Make sure our cache isolation works with cache2
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 Reporter:  gk                                   |          Owner:  tbb-
     Type:  task                                 |  team
 Priority:  major                                |         Status:  new
Component:  Tor Browser                          |      Milestone:
 Keywords:  ff38-esr, tbb-linkability, tbb-      |        Version:
  fingerprinting                                 |  Actual Points:
Parent ID:                                       |         Points:
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 Mozilla wrote a new cache back-end which landed in the 32 release cycle
 and has a bunch of new features like
 {{{
 The new HTTP cache back end has many improvements like request
 prioritization optimized for first-paint time, ahead of read data
 preloading to speed up large content load, delayed writes to not block
 first paint time, pool of most recently used response headers to allow 0ms
 decisions on reuse or re-validation of a cached payload, 0ms miss-time
 look-up via an index, smarter eviction policies using frecency algorithm
 }}}
 (http://www.janbambas.cz/new-firefox-http-cache-enabled/)

 We should make sure that our cache isolation patches get properly
 rewritten and no new information leaks occur.

 See: https://bugzilla.mozilla.org/show_bug.cgi?id=913806 and
 https://developer.mozilla.org/en-US/docs/HTTP_Cache for further
 information.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/13035>
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