<div dir="ltr"><div>It changes the pref security.tls.version.min and sets a pref so we know it was done.</div><div><br></div><div>It enables it for all sites (there's no good way to do it for a single site).</div><div><br></div><div>If you don't want this behavior, you can use policy to set the minimum SSL version and the button will not display.</div><div><br></div><div>At some point in the future, TLS 1.0 and 1,1 will go away completely.<br></div><div><br></div><div>Mike<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Jul 6, 2020 at 4:24 PM Eddie Rowe <<a href="mailto:eddie.rowe@tdhca.state.tx.us">eddie.rowe@tdhca.state.tx.us</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:black">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
</span><span style="color:black">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.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:black"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:black">This should be functionality that is documented somewhere. I would expect lots of people to be interested in this info.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-family:"Calibri",sans-serif;color:rgb(31,73,125)"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:11pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11pt;font-family:"Calibri",sans-serif"> Enterprise <<a href="mailto:enterprise-bounces@mozilla.org" target="_blank">enterprise-bounces@mozilla.org</a>>
<b>On Behalf Of </b>Wes Kocher<br>
<b>Sent:</b> Monday, July 6, 2020 2:14 PM<br>
<b>Cc:</b> enterprise <<a href="mailto:enterprise@mozilla.org" target="_blank">enterprise@mozilla.org</a>><br>
<b>Subject:</b> Re: [Mozilla Enterprise] Firefox 78.0.1 Enable TLS 1.0 and 1.1 Button<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">That should just re-enable support for the older TLS versions within Firefox. <u></u><u></u></p>
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<p class="MsoNormal"><u></u> <u></u></p>
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<p class="MsoNormal">On Mon, Jul 6, 2020, 12:02 PM Eddie Rowe <<a href="mailto:eddie.rowe@tdhca.state.tx.us" target="_blank">eddie.rowe@tdhca.state.tx.us</a>> wrote:<u></u><u></u></p>
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<p class="MsoNormal">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?<u></u><u></u></p>
<p class="MsoNormal"> <u></u><u></u></p>
<p class="MsoNormal"><img style="width: 15.1083in; height: 7.525in;" id="gmail-m_8422277911725304304m_9196326202314267417Picture_x0020_1" alt="https://2r4s9p1yi1fa2jd7j43zph8r-wpengine.netdna-ssl.com/files/2020/01/Error_Dialouge_Box.png" width="1450" height="722" border="0"><u></u><u></u></p>
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