Google Chrome 56's crypto tweak 'borked thousands of computers' using Blue Coat security

Minimalist · Feb 28, 2017

Six days ago, an IT administrator with Montgomery County Public Schools in Maryland reported that following the update to Chrome version 56, almost a third of the 50,000 Chromebooks he manages became "stuck in a state of flickering between a login screen and a 'Network not available' screen." He also said that some of the roughly 45,000 Windows PCs he manages were affected. The admin said Blue Coat 6.5 doesn't appear to support TLS 1.3.
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https://www.theregister.co.uk/2017/02/27/blue_coat_chokes_on_chrome_encryption_update/

elapsed · Feb 28, 2017

According to Google engineer David Benjamin, the issue is that Blue Coat implements TLS 1.3 incorrectly. "[Blue Coat was] made aware of TLS 1.3 several months ago, but evidently did not test [its] software per our instructions," he wrote. Benjamin did not respond to further requests for comment.
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Boohoo. Security software holding back browser security. Hopefully they drop Blue Coat and they feel the sting of lazyness.

Google has told The Register it has paused its TLS 1.3 deployment, and is working with various vendors to address issues that have emerged. TLS 1.3 support has been rolled out to about a tenth of Chrome users, we're told.
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Held back yet again...

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Google Chrome 56's crypto tweak 'borked thousands of computers' using Blue Coat security

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Google Chrome 56's crypto tweak 'borked thousands of computers' using Blue Coat security

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