Is the ‘ERR_SSL_VERSION_OR_CIPHER_MISMATCH’ error stopping you from accessing a WordPress web site?

This error is barely seen when visiting an internet site that makes use of an SSL certificates. It’s attributable to out-of-date or misconfigured software program on both the web site or the consumer’s laptop.

On this article, we’ll present you the right way to repair the ‘ERR_SSL_VERSION_OR_CIPHER_MISMATCH’ error in WordPress.


We suggest that everybody with a WordPress web site set up an SSL certificates. This might help preserve your web site information safe.

An SSL certificates is required if you wish to settle for funds in your on-line retailer, and it additionally protects your customers in different methods.

SSL stands for ‘Safe Sockets Layer’, and TLS stands for ‘Transport Layer Safety’ protocol. These protocols depend on certificates that inform the consumer the id of the web site they’re speaking with.

When visiting a safe web site, your browser will mechanically verify for an SSL certificates to see whether it is legitimate and updated. It additionally checks the model of the protocols getting used.

If there’s a difficulty, then you definitely’ll see an SSL error like ERR_SSL_VERSION_OR_CIPHER_MISMATCH.


This error message seems when your browser doesn’t acknowledge the model of the SSL protocol getting used or when the SSL certificates isn’t configured accurately.

This could occur when the consumer is utilizing an out-of-date net browser that doesn’t acknowledge the most recent TLS protocols. It will also be induced if the web site’s SSL certificates or software program is outdated or mismatched.

With that being stated, let’s check out some steps you possibly can take to repair the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error in WordPress:

Scanning Your Web site for SSL ErrorsWhen the Web site Is Not the Drawback

Scanning Your Web site for SSL Errors

The very first thing you have to do is scan your WordPress web site for SSL errors. This may provide help to determine issues that may trigger the ‘ERR_SSL_VERSION_OR_CIPHER_MISMATCH’ error.

The simplest option to verify is through the use of a web based device just like the Qualys SSL Labs SSL Server Take a look at. Merely kind within the web site’s area identify after which click on the ‘Submit’ button.

Scanning Your Website With Qualys SSL Labs SSL Server Test

This may carry out an intensive check on the web site that takes a couple of minutes to complete. After that, you will note a really detailed report concerning the website’s SSL certificates.

Within the screenshot under, you can see the outcomes of a scan on wpbeginner.com. You’ll be able to see that the WPBeginner SSL certificates is legitimate and trusted and helps the most recent TLS protocol, which is TLS 1.3. That is an instance of a terrific SSL check consequence.

SSL Test Result With an Excellent Result

You’ll be able to scroll all the way down to the Configuration part of the report.

This may present you which ones variations of the TLS protocol are supported. On this case, each at the moment used variations are supported, that are TLS 1.2 and TLS 1.3.

Supported TLS Protocols Listed

It’s additionally vital that the opposite protocols aren’t getting used as a result of they’ve identified safety points.

In case your check consequence appears just like this, then the ‘ERR_SSL_VERSION_OR_CIPHER_MISMATCH’ error isn’t being attributable to the web site. You’ll be able to scroll all the way down to the final part of this tutorial to discover ways to troubleshoot the software program in your laptop.

Then again, here’s a screenshot from a scan that discovered SSL errors. The errors are summarized on the prime of the report, and extra particulars are given under.

You’ll be able to go to a web page with detailed notes about an error by clicking the ‘MORE INFO »’ hyperlink.

SSL Test Result With a Poor Result

If the SSL check report to your web site lists some SSL errors, then you possibly can observe these tips to repair them.

Your Web site Makes use of Outdated TLS 1.0, TLS 1.1, or RC4 Cipher Suite

Previous TLS protocols like TLS 1.0 and TLS 1.1 ought to by no means be run as a result of they’ve safety points, and fashionable net browsers have stopped supporting them.

The identical goes for the RC4 cipher suite. A cipher suite is a set of algorithms used to safe your web site with TLS. Nevertheless, the RC4 model has been discovered to be insecure and may by no means be used.

Respected WordPress internet hosting corporations by no means use insecure variations of the TLS protocol or cipher suite.

Nevertheless, in case your web site is utilizing any of those outdated variations, then you need to contact your internet hosting supplier and get them to allow TLS 1.2 or TLS 1.3. Additionally, you will want to modify to AEAD cipher suites (AES-GCM).

Alternatively, you possibly can transfer to a dependable internet hosting supplier like Bluehost or SiteGround.

Your Web site Has an SSL Certificates Title Mismatch

As a result of an SSL certificates proves that your web site is what it claims to be, the area identify in your certificates should match your website’s area identify. When they aren’t the identical, that is known as an ‘SSL certificates identify mismatch’.

While you see this error in your SSL report, it should record the potential causes:

The web site doesn’t use SSL however shares an IP handle with another website that does.

The web site not exists, but the area identify nonetheless factors to the previous IP handle, the place another website is now hosted.

The web site makes use of a content material supply community (CDN) that doesn’t assist SSL.

The area identify is an alias for an internet site whose most important identify is completely different, however the alias was not included within the certificates by mistake.

Certificate Name Mismatch Error

This error is probably going attributable to an issue along with your SSL setup.

You’ll be able to check out our newbie’s information on the right way to correctly transfer WordPress from HTTP to HTTPS for particulars on the right way to arrange SSL accurately.

Specifically, be sure you have arrange your SSL certificates to work with all the variations (or aliases) of your area identify that shall be used, together with www and non-www URLs.

One other resolution is to redirect your web site guests to the proper variation of your area identify.

For instance, in case your SSL certificates has the URL ‘https://www.instance.com’, then you possibly can redirect ‘https://instance.com’ to that handle. See our article on the right way to arrange redirects in WordPress for extra particulars.

This error might additionally seem when you have lately moved your web site to a brand new area identify or server. You have to to replace your SSL certificates with the brand new particulars.

If you’re utilizing a CDN service, then you definitely must also be sure that it helps SSL. If you have to improve, then you possibly can see our skilled picks of one of the best WordPress CDN providers for suggestions.

If you happen to need assistance with any of those points, then don’t hesitate to succeed in out to your internet hosting supplier’s technical assist workforce.

When the Web site Is Not the Drawback

If the web site isn’t the issue, then the error is attributable to software program in your laptop. Almost certainly, you might have an out-of-date net browser, or your antivirus software program is inflicting the error.

You’ll be able to observe these steps to troubleshoot the issue.

Replace Your Net Browser to the Newest Model

If you’re utilizing an outdated net browser similar to Web Explorer or an previous model of a contemporary net browser, then you might even see this error. This occurs as a result of the previous software program was written earlier than the most recent variations of the TLS protocols and doesn’t acknowledge them.

In that case, all you have to do is change to the most recent model of a contemporary net browser like Google Chrome.

If, for some purpose, you possibly can’t replace to a later model of your browser, like if you’re caught utilizing Microsoft Home windows XP, then you definitely could possibly allow a later model of TLS in your browser.

For instance, on Google Chrome, you possibly can kind chrome://flags within the handle bar, seek for ‘TLS 1.3’ and allow the choice.

Or if you’re utilizing Firefox, then you need to kind about:config within the handle bar, seek for TLS, after which set the safety.tls.model.max worth to 4.

Force Firefox to Use Current TLS Protocols

Clear Your Browser Cache and SSL Cache

If you happen to nonetheless see the error message after doing this, then there are just a few extra troubleshooting steps you possibly can take. The very first thing is to delete your browser cache and cookies.

You’ll be able to see our information on the right way to clear your cache in all main browsers, which additionally covers the right way to clear your cookies.

On Home windows, you can too clear the SSL cache. This can be storing out-of-date SSL details about the web site you are attempting to entry.

You’ll be able to open ‘Web Choices’ by looking for it within the Begin menu. Now change to the Content material tab and click on on the ‘Clear SSL state’ button.

Windows Internet Properties

Quickly Disable Your Antivirus Software program

Lastly, it’s attainable that your antivirus software program or firewall software program could also be configured incorrectly. This could generally trigger the ‘ERR_SSL_VERSION_OR_CIPHER_MISMATCH’ error to seem when it shouldn’t.

In case your software program has an computerized SSL scanning characteristic, then you possibly can strive turning it off. In any other case, you will want to briefly disable your antivirus software program. After you have carried out that, you possibly can strive accessing the web site once more.

If you happen to can entry the software program along with your antivirus software program disabled, then you possibly can contact the antivirus firm’s technical assist workforce concerning the error or change to a extra respected software.

We hope our tutorial helped you repair the ‘ERR_SSL_VERSION_OR_CIPHER_MISMATCH’ error in WordPress. You may additionally need to see our full information to WordPress safety or our skilled picks for one of the best WordPress safety plugins to additional defend your web site.

If you happen to preferred this text, then please subscribe to our YouTube Channel for WordPress video tutorials. You too can discover us on Twitter and Fb.

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