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ERR_BAD_SSL_CLIENT_AUTH_CERT


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On workstations with Endpoint Protection, I am getting: ERR_BAD_SSL_CLIENT_AUTH_CERT
when trying to access these urls:
https://white_label.s3.us-east-1.amazonaws.com/UFW/logo-ufw-white.png
https://white_label.s3.us-east-1.amazonaws.com/UFW/Favicon-UFW-blue.png?v=2

Without endpoint protection, Chrome tells me the corticates are fine. Any idea what's going on and how to clear the issue?

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Support helped me with this. We added "s3.amazonaws.com" to the list of known certificates to be ignored via Advanced Setup | Web and Email | SSL/TLS | List of Known Certificates

image.png.0117340b7f2eb01a491c4aaa81ce999a.png

 

We then exported my local workstation's configuration, imported it as a policy in Protect and applied the policy to our client workstations.

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1 hour ago, katycomputersystems said:

On workstations with Endpoint Protection, I am getting: ERR_BAD_SSL_CLIENT_AUTH_CERT
when trying to access these urls:
https://white_label.s3.us-east-1.amazonaws.com/UFW/logo-ufw-white.png
https://white_label.s3.us-east-1.amazonaws.com/UFW/Favicon-UFW-blue.png?v=2

I can access those URLs w/o issue using Firefox. This indicates the problem lies w/Eset SSL protocol scanning on Chrome.

Whereas the cert. exclusions to SSL protocol scanning works for the cert. used by the domain noted, I suspect you're going to have issues with other URL's.

Edited by itman
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No problem opening the website in Chrome:

image.png

You can try the following:
- reboot the machine
- without launching a browser, disable SSL filtering in the advanced setup and click OK
- re-enable SSL filtering
- check if the problem persists.

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