problem with client using TLS

Konstantin Vasilyev kmansoft at rambler.ru
Sat Jul 18 16:36:27 EEST 2020


  18.07.2020, 16:32, ratatouille <ratatouille at bitclusive.de>"Konstantin
  Vasilyev" <kmansoft at rambler.ru> schrieb am 18.07.20 um 16:16:55 Uhr:

  > 18.07.2020, 14:30, Benny Pedersen <me at junc.eu>ratatouille skrev den
  > 2020-07-18 13:20:
  >
  > > Commenting just ssl_min_protocol = TLSv1.2 seems to solve the problem.
  > > So I have the default ssl_min_protocol = TLSv1
  >
  > with means that the device running k9 is not supporting TLS 1.2 yet
  >
  > TLS 1.2 is enabled by default in Android versions 5.0 and newer.
  > For earlier Android versions, K9 has (or used to have) a setting to
  "harden" its
  > SSL/TLS settings, which enables TLS 1.2 as far back as 4.3 or something.
  > -- K

  The android runs Version 4.0.3 ;) Don't know how to enable TLS 1.2.

  Andreas


Oh well.
Android supports TLS 1.2 at all since version 4.1 - so the setting I'd mentioned
above won't have helped anyway.
https://developer.android.com/reference/javax/net/ssl/SSLSocket
-- K
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