SSL CertificatesTrust solutions
Protect website with trusted SSL certificate
$4.45 per year
Instant Trust to your website & services
with EV SSL certificate
Green Address Bar Included
Company [LV]
https://domain.tld
BusinessTrust EV SSL certificate
$86.15 per year Check offer
LEI CODE Get your business identified and transparent globally
Minimaze financial vulnerabilities
Boost OV/EV SSL validation process
Global Business Identifications
$78.00 per year Get LEI Code
Home Wiki Problems & Issues How to Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH

How to FIX ERR_SSL_VERSION_OR_CIPHER_MISMATCH

  • You are at the right place to find a solution receiving ERR_SSL_VERSION_OR_CIPHER_MISMATCH error. You are not alone as thousands of webmasters and website visitors face that common issue daily. There are multiple variations of that error like "Error 113 (net::err_ssl_version_or_cipher_mismatch): unknown error OR "The client and server don’t support a common SSL protocol version or cipher suite

    Even advanced webmasters may receive this error if they never met it before. The depreciation of the RC4 cipher is mainly the reason of the error. The Chrome browser trying to prevent visitors and users to be in a danger due to insecure RC4 cipher.

    ERR_SSL_VERSION_OR_CIPHER_MISMATCH

    Our security experts prepared multiple working solutions solving ERR_SSL_VERSION_OR_CIPHER_MISMATCH error. We hope you will find the one working for you.

    • 1

      Step 1: Check Your SSL/TLS Certificate

      We highly suggest starting checking your SSL/TLS certificate using the most professional SSL test tool by SSL Labs. You will receive multiple error messages if your certificate is broken or old. It is possible to hide results from the public by checking "Do not show the results on the boards". It takes around two minutes to scan your web server. Start by entering your domain name in "hostname" field and click "Submit".

      ERR_SSL_VERSION_OR_CIPHER_MISMATCH2
    • 2

      Step 2: Certificate Name Mismatch check

      The checking process starts with Certificate name mismatch as one of the most common reasons to get the problem. SSL Test would show you the possible reasons helping you to diagnose the source of error.

      • The website may use CDN (Content Delivery Network) with no support of SSL;
      • Your website no longer exists, but the IP address points to an old/new website with a different domain name and SSL in use;
      • Installed SSL doesn't cover the domain name you are checking;
      ERR_SSL_VERSION_OR_CIPHER_MISMATCH5
    • 3

      Step 3: Old TLS version in use

      The old TLS version running on your web hosting server is a possible reason for getting problems. We suggest running at least TLS 1.2 or even TLS 1.3 version. Again, SSL Lab's checker would easily determinate what versions are in use on the server. Make sure to keep server up-to-date always.

      ERR_SSL_VERSION_OR_CIPHER_MISMATCH3
    • 4

      RC4 Cipher Suite check

      Google documentation states that error ERR_SSL_VERSION_OR_CIPHER_MISMATCH would appear as Chrome removed RC4 cipher suite starting at version 48. Microsoft and Google security engineers highly suggests disabling RC4 for best security practices. With SSL test you can find out all cipher and versions are currently in use on your server.

      ERR_SSL_VERSION_OR_CIPHER_MISMATCH4
    • Conclusions to summarize

      There are things you can do if you faced ERR_SSL_VERSION_OR_CIPHER_MISMATCH while surfing the Internet. In most cases using SSL Labs will be enough to find out what is wrong with your server configuration for a quick update.

Fast Issuance within 3-5 minutes

Get a Domain Validation SSL certificate within just 5 minutes using our friendly and automated system. No paperwork, callback or company required.

Price Match 100% Guarantee

Found a better price? We will match it - guaranteed. Get the best possible price in the World with us. The correct place to save your money.

Free SSL 90-day for free

Try 90-day Trial SSL Certificate before the real purchase to test cert's functionality. 99.9% browser and mobile support. Unlimited prolongation.

Money Back 30-day guarantee

Customer satisfaction is our major concern. Get a full refund within 30 days for any purchase of SSL certificates with 100% guarantee.

Speed up SSL issuance with LEI

GoGetSSL™ now offering fastest issuance of SSL on planet due to use of LEI code and API automation. Legal Entity Identifier (or LEI) is a global identity code, just like DUNS. Learn now how LEI may help you.

LEI codes starting at
$78.00
Check LEI offer
1,366,468+Total LEIs issued
224+Jurisdictions supported