Re: Firefox issue

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On 8/7/22 07:37, Alexander Dalloz wrote:
Am 07.08.2022 um 15:53 schrieb Sam Varshavchik:
Tim via users writes:

Loading:  https://esupport.gigabyte.com/
Brings up:  https://esupport.gigabyte.com/Login/Index?ReturnUrl=%2f

As an aside, I've written off Gigabyte as damaged goods. Their tech support refuses to give you support if you tell them you're running Linux on their motherboards. Their hardware is MS-Windows only.

Letting the server send its own root of the certificate chain of trust is questionable. Trouble making is the fact that the certificate differs from the Mozilla trust store.

Sent from the server:
TWCA Global Root CA
Fingerprint SHA256: 8ad47f6d70a44fa80af0f931125ffe3a76876ffad219a4d40a13c038dc85e69e
Pin SHA256: xES1tmzl1x4bXkDyc4XJXL/SSgW1b3DKwJkvD1DDN5w=
RSA 4096 bits (e 65537) / SHA256withRSA

In the Mozilla trust store:
TWCA Global Root CA   Self-signed
Fingerprint SHA256: 59769007f7685d0fcd50872f9f95d5755a5b2b457d81f3692b610a98672f0e1b
Pin SHA256: xES1tmzl1x4bXkDyc4XJXL/SSgW1b3DKwJkvD1DDN5w=
RSA 4096 bits (e 65537) / SHA256withRSA

https://www.ssllabs.com/ssltest/analyze.html?d=esupport.gigabyte.com&hideResults=on

I think it's something to do with this.  There's also:
4 	Sent by server
In trust store 	TWCA Root Certification Authority   Self-signed	
Fingerprint SHA256: bfd88fe1101c41ae3e801bf8be56350ee9bad1a6b9bd515edc5c6d5b8711ac44
Pin SHA256: ksRoeWJu8swezqUMcvteOFhECV8hy/Oyg8uC5rn8alg=
RSA 2048 bits (e 65537) / SHA1withRSA
Weak or insecure signature, but no impact on root certificate

The fingerprint doesn't match the one in the Firefox trust store.
The first chain seems valid, but not the second one. I'm not a certificate expert, so I don't know what the implications are. However, someone else posted that a newer Firefox version worked, so maybe it's been resolved in some way.
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