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

[Eddie Rowe]

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<mailto: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?

[https://2r4s9p1yi1fa2jd7j43zph8r-wpengine.netdna-ssl.com/files/2020/01/Error_Dialouge_Box.png]
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