How to fix err_ssl_version or cipher_mismatch_Error

Published: 07 October 2020
on channel: FixRunner.com
23,984
73

★ How to fix err_ssl_version_or_cipher_mismatch Error ►https://www.fixrunner.com/fix-err-ssl...

Errors happen and it’s vital to learn how to fix them when they occur. “Site uses an unsupported protocol, err_ssl_version_or_cipher_mismatch” is one error you get when accessing a website through a browser (chrome or any other).

There are a number of steps that occur when establishing a secure connection between a browser and a website: TLS handshake, decryption, checking the certificate against CA (Certified Authority), and so on. If any of these fail for any reason, the browser will return the following error – ‘err_ssl_version_or_cipher_mismatch’.

You have probably encountered this error at some point. Or else you wouldn’t be here. In order to fix it, we need to establish what caused it and where does it come from. When asking where, we are trying to figure out is it a server-side issue (SSL certificate, web servers settings, etc.) or a local issue (browser, operating system, settings, etc.).

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0:14 – Introduction
0:42 – 4 Possible server-side issues for ‘err_ssl_version_or_cipher_mismatch’ error
0:48 – 1. Checking the SSL certificate
1:26 – 2. Certificate Name Mismatch issue
2:37 – 3. Checking for the old and unsupported version of TLS
3:33 – 4. The RC4 Cipher Suite
4:04 – 3 Possible local issues to fix err_ssl_version_or_cipher_mismatch
4:48 – 1. Clearing the SSL state on your computer
5:25 – 2. Enabling TLS 1.3 version on your browser
6:52 – 3. Temporary Disable Antivirus

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