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How can you force Chromium and Firefox to use TLS 1.2 instead of the previously less secure versions?

Using Ubuntu 13.04

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  • 1
    Please, either firefox or chromium, not both.
    – Braiam
    Feb 8, 2014 at 19:50
  • 2
    Why? Sort of silly having two questions, one for each browser, and some muppet would mark those as a duplicates. And, the question is clear what it is asking about.
    – Wilf
    Feb 8, 2014 at 19:54
  • 1
    @wilf is one issue per question. Not 2, 3, 4, 5. One. Also, people might know how to do this is chromium but not in firefox, the same backwards.
    – Braiam
    Feb 9, 2014 at 20:47
  • Asking a different question just for Chromium may make some people happy... It is clear what the question is, those flagging close votes...
    – Wilf
    Feb 9, 2014 at 20:56

1 Answer 1

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Force Firefox to use your desired TLS version:

  • Write in address bar: about:config
  • Confirm to proceed

Default settings are:

security.tls.version.min = 0
security.tls.version.max = 1
  • 1 = TLS 1.0
  • 2 = TLS 1.1
  • 3 = TLS 1.2

Set the values you need.

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  • 1
    More info can be found here & here
    – Wilf
    Feb 8, 2014 at 19:52
  • 1
    This doesn't answers Chromium.
    – Braiam
    Feb 9, 2014 at 20:47
  • 1
    @Braiam - Yes, that may prompt the OP to ask a different question for Chromium - nearly exactly what you wanted.
    – Wilf
    Feb 9, 2014 at 20:50

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