[tor-bugs] #4099 [Tor Browser]: Disable TLS session resumption and HTTP keep-alive

Tor Bug Tracker & Wiki torproject-admin at torproject.org
Thu Oct 20 02:02:50 UTC 2011


#4099: Disable TLS session resumption and HTTP keep-alive
-------------------------+--------------------------------------------------
 Reporter:  mikeperry    |          Owner:  mikeperry                    
     Type:  defect       |         Status:  new                          
 Priority:  major        |      Milestone:  TorBrowserBundle 2.2.x-stable
Component:  Tor Browser  |        Version:                               
 Keywords:               |         Parent:                               
   Points:               |   Actualpoints:                               
-------------------------+--------------------------------------------------

Comment(by ioerror):

 Here's my patch for reducing SSL session linkability:

 {{{
 diff --git a/src/chrome/content/torbutton.js
 b/src/chrome/content/torbutton.js
 index 966e574..18fcee0 100644
 --- a/src/chrome/content/torbutton.js
 +++ b/src/chrome/content/torbutton.js
 @@ -1949,6 +1949,10 @@ function torbutton_update_status(mode,
 force_update) {
            !m_tb_prefs.getBoolPref("security.enable_ssl2"));
      }

 +    // Disable ssl session identifiers
 +    // https://trac.torproject.org/projects/tor/ticket/4099
 +    m_tb_prefs.setBoolPref("security.enable_tls_session_tickets", false);
 +
      // This clears the OCSP cache.
      //
      // nsNSSComponent::Observe() watches security.OCSP.enabled, which
 calls
 }}}

-- 
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/4099#comment:7>
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