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Michael Pfister
asked on
5/18/2021
IE 11 with TLS 1.3 on Windows 10 1909
When enabling TLS 1.3 (experimental) in IE 11 the browser test
https://browserleaks.com/ssl
still shows:
Protocol Support
TLS 1.3
× Disabled
TLS 1.2
✔Enabled
What is missing here?
Other browsers (Edge Chromium, Firefox) work fine,,,
Windows 10
Windows OS
Web Browsers
2
1
Last Comment
Michael Pfister
8/22/2022 - Mon
ASKER CERTIFIED SOLUTION
Daniel Pineault
5/19/2021
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Michael Pfister
5/19/2021
ASKER
Thanks Daniel!
https://www.microsoft.com/security/blog/2020/08/20/taking-transport-layer-security-tls-to-the-next-level-with-tls-1-3/
On 1909 its probably due TLS 1.3 support isn't builtin.
It should be available on 20H2. But here you have to enable it first:
[HKEY_LOCAL_MACHINE\SYSTEM
\CurrentCo
ntrolSet\C
ontrol\Sec
urityProvi
ders\SCHAN
NEL\Protoc
ols\TLS 1.3\Client]
"DisabledByDefault"=dword:
00000000
"Enabled"=dword:00000001
But this breaks many pages on IE11... i.e.
https://www.experts-exchange.com/
From the 3 test sites only
https://clienttest.ssllabs.com:8443/ssltest/viewMyClient.html
is still working and is showing correct results.
Other pages show "Connection Reset" (INET_E_DOWNLOAD_FAILURE)
Status "too experimental for me"
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William Peck
https://www.microsoft.com/security/blog/2020/08/20/taking-transport-layer-security-tls-to-the-next-level-with-tls-1-3/
On 1909 its probably due TLS 1.3 support isn't builtin.
It should be available on 20H2. But here you have to enable it first:
[HKEY_LOCAL_MACHINE\SYSTEM
"DisabledByDefault"=dword:
"Enabled"=dword:00000001
But this breaks many pages on IE11... i.e. https://www.experts-exchange.com/
From the 3 test sites only https://clienttest.ssllabs.com:8443/ssltest/viewMyClient.html is still working and is showing correct results.
Other pages show "Connection Reset" (INET_E_DOWNLOAD_FAILURE)
Status "too experimental for me"