[tor-bugs] #15512 [meek]: Check meek TLS fingerprint on ESR 38

[Tor Bug Tracker & Wiki]

#15512: Check meek TLS fingerprint on ESR 38
------------------------+----------------------
     Reporter:  dcf     |      Owner:  dcf
         Type:  task    |     Status:  new
     Priority:  normal  |  Milestone:
    Component:  meek    |    Version:
   Resolution:          |   Keywords:  ff38-esr
Actual Points:          |  Parent ID:
       Points:          |
------------------------+----------------------

Comment (by dcf):

 There is a mismatch in the [https://en.wikipedia.org/wiki/Application-
 Layer_Protocol_Negotiation ALPN extension]. Tor Browser 5.0a3 on the left,
 Firefox 38.1 on the right.
 {{{
              Extension: Application Layer Protocol Negotiation
                  Type: Application Layer Protocol Negotiation (0x0010)
 -                Length: 11
 -                ALPN Extension Length: 9
 +                Length: 41
 +                ALPN Extension Length: 39
                  ALPN Protocol
 +                    ALPN string length: 5
 +                    ALPN Next Protocol: h2-16
 +                    ALPN string length: 5
 +                    ALPN Next Protocol: h2-15
 +                    ALPN string length: 5
 +                    ALPN Next Protocol: h2-14
 +                    ALPN string length: 2
 +                    ALPN Next Protocol: h2
 +                    ALPN string length: 8
 +                    ALPN Next Protocol: spdy/3.1
                      ALPN string length: 8
                      ALPN Next Protocol: http/1.1
 }}}

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/15512#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online