[Mozilla Enterprise] Firefox 78.0.1 Enable TLS 1.0 and 1.1 Button

[Mike Kaply]

It changes the pref security.tls.version.min and sets a pref so we know it
was done.

It enables it for all sites (there's no good way to do it for a single
site).

If you don't want this behavior, you can use policy to set the minimum SSL
version and the button will not display.

At some point in the future, TLS 1.0 and 1,1 will go away completely.

Mike

On Mon, Jul 6, 2020 at 4:24 PM Eddie Rowe <eddie.rowe at tdhca.state.tx.us>
wrote:

> I am trying to figure out HOW it does this.  Is this enabling TLS 1.0 and
> 1.1 for ONE web site or all sites (I have only found one site with no TLS
> 1.2 support)?  How do we back out what change was made by clicking on the
> button to enable?  I tried to reverse engineer it so I opened about:config
> and the only change I see relating to TLS is the security.tls.version.enable-deprecated
> that gets set to true after you click on the button.  If I revert this
> value back to false, Firefox still will work with a site that I have
> discovered to be TLS 1.0 only.  I goggled the term and there is a bugzilla
> entry that makes it sound like this setting is just for telemetry.
>
>
>
> This should be functionality that is documented somewhere.  I would expect
> lots of people to be interested in this info.
>
>
>
> *From:* Enterprise <enterprise-bounces at mozilla.org> *On Behalf Of *Wes
> Kocher
> *Sent:* Monday, July 6, 2020 2:14 PM
> *Cc:* enterprise <enterprise at mozilla.org>
> *Subject:* Re: [Mozilla Enterprise] Firefox 78.0.1 Enable TLS 1.0 and 1.1
> Button
>
>
>
> That should just re-enable support for the older TLS versions within
> Firefox.
>
>
>
> On Mon, Jul 6, 2020, 12:02 PM Eddie Rowe <eddie.rowe at tdhca.state.tx.us>
> wrote:
>
> Does anyone know what clicking on this button will do?  Is this creating a
> registry key on the Windows platform under HKCU or doing something else?
>
>
>
> [image:
> https://2r4s9p1yi1fa2jd7j43zph8r-wpengine.netdna-ssl.com/files/2020/01/Error_Dialouge_Box.png]
>
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