Re: [TLS] TLS 1.3 (-18) at Apple

Benjamin Kaduk <bkaduk@akamai.com> Wed, 14 June 2017 18:02 UTC

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To: Chris Wood <cawood@apple.com>, tls@ietf.org
References: <0E6B6240-4F99-46D4-81D0-533473EBFD87@apple.com>
From: Benjamin Kaduk <bkaduk@akamai.com>
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Date: Wed, 14 Jun 2017 13:02:51 -0500
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Subject: Re: [TLS] TLS 1.3 (-18) at Apple
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On 06/14/2017 01:00 PM, Chris Wood wrote:
> Hi folks,
>
> Last week at WWDC 2017, we (Apple) announced support for TLS 1.3 (-18) in our platforms. It is not turned on by default. If you’re a member of the developer seed, you may enable it on iOS by downloading and installing the following profile:
>
>     https://developer.apple.com/go/?id=tls13-mobile-profile
>
> You may also enable support on macOS with the following defaults write:
>
>     defaults write /Library/Preferences/com.apple.networkd tcp_connect_enable_tls13 1

Is the plan to stay on draft-18 until it's time to move to the final RFC
version?

> Our goal is maximal coverage in apps and networks. We encourage everyone who’s a member to opt in and start testing your services. 
>
> Note, we currently do not have 0-RTT data support.
>

Seems prudent, given how much it's still in flux (and the lack of
published application profiles for its use).

-Ben