In the event you’re acquainted with Safe Sockets Layer (SSL) certificate, you will have to acknowledge that the ERR_SSL_PROTOCOL error is expounded to them. Seeing this message method the website online has an SSL certificates, however the browser can’t validate it. In apply, there are lots of explanation why an SSL certificates would possibly now not paintings as it should be.

Working out the reasons at the back of issues of SSL certificate will enable you troubleshoot this mistake. Then you definitely’ll be capable of regain get admission to in your website online and be sure that guests don’t run into frightening browser warnings.

On this article, we’ll communicate in regards to the ERR_SSL_PROTOCOL error and what reasons it. Then we’ll pass over 4 tactics to troubleshoot it. Let’s get to paintings!

What Is the ERR_SSL_PROTOCOL Error (And What Reasons It)?

The ERR_SSL_PROTOCOL error message is exclusive to Google Chrome. The browser presentations this display while you attempt to get admission to a website online that makes use of an SSL certificates it might’t validate:


Despite the fact that this mistake message is particular to Google Chrome, you’ll be able to come upon the similar downside with different browsers. Mozilla Firefox, as an example, presentations the next error message as an alternative:

Any person may well be seeking to impersonate the web page, and also you will have to now not proceed. Web sites turn out their identification by the use of certificate. Firefox does now not agree with X certificates as a result of its certificates issuer is unknown, the certificates is self-signed, or the server isn’t sending the right kind intermediate certificate.


The primary downside with the ERR_SSL_PROTOCOL error is that some browsers save you you from gaining access to websites that show it. Firefox permits you to make a choice whether or not to visit the website online anyway, however different browsers, comparable to Chrome and Edge, don’t come up with that choice.

If the mistake seems to possible guests, it makes your website online nearly unreachable. Then again, most often, the issue is along with your pc moderately than the web page itself or its certificates. That suggests it’s now not commonplace for this mistake to look for all guests.

Find out how to Repair the ERR_SSL_PROTOCOL Error (4 Strategies)

On this segment, we’ll think your website online has an SSL certificates from a relied on authority. SSL certificate are extremely simple to acquire and arrange (you’ll be able to even get them at no cost).

In the event you’re the usage of a self-signed certificates, pass forward and substitute it with a legitimate one. Then again, when you have a certificates from a relied on supply and it’s as it should be arrange (many internet hosts will do it for you), then the issue is in all probability with the software you’re the usage of.

Thankfully, converting some native settings will have to transparent up the ERR_SSL_PROTOCOL error very quickly. Let’s check out 4 possible answers!

Way 1: Wait For the Certificates to Propagate

Once in a while, it’s possible you’ll run into the ERR_SSL_PROTOCOL error when you arrange a legitimate certificates and check out to get admission to the web page right away. The certificates wishes time to propagate, identical to while you replace a website’s settings.

In the event you simply arrange an SSL certificates, we suggest seeking to get admission to the website online from more than one gadgets. If the mistake seems on they all, you’ll be able to think that you simply’re coping with a propagation factor. If that’s the case, merely wait a couple of hours for the certificates to change into related to the area you’re the usage of.

You’ll be able to additionally test to peer in case your SSL certificates is operating the usage of a web based device comparable to Qualys’ SSL Server Check. You’ll be able to take a look at any area to peer if it has an related certificates and if it’s operating correctly:

The results of an SSL certificate report

The SSL document can take a number of mins to generate. If the certificates is operating as it should be, you will have to best see inexperienced test marks. Another way, it’s possible you’ll wish to re-install the SSL certificates or ask your website hosting supplier to do it for you.

Way 2: Take a look at Your Instrument’s Time and Date

Through design, SSL certificate are designed with expiration dates. That expiration forces you to resume the certificates periodically, proving you’re the website online proprietor.

While you discuss with a website online with an SSL certificates, the browser exams its expiration date and compares it in your software’s date. If the certificates is expired, the browser will will let you know.

Your software’s time may also be unsuitable, that means that the browser can’t test for the certificates’s validity and begins exhibiting mistakes comparable to ERR_SSL_PROTOCOL. If that’s the case, the repair is inconspicuous. All it’s a must to do is replace your software’s time and date to the right kind values.

Maximum Working Techniques (OS) do that robotically to stop mistakes. On Home windows gadgets, open the Get started menu and kind in Trade time and date. The Date & time settings will pop up, and you’ll be able to make a selection the choice that claims Set time robotically:

Updating your device's date and time

When you’re positive that you’ve the right kind date and time, shut the settings window and check out reaccessing the website online. If the mistake persists, it’s time to check out some other resolution.

Way 3: Transparent the SSL State

You’re almost certainly acquainted with the concept that of browser caching. Nonetheless, you won’t know that browsers additionally cache SSL certificate to steer clear of re-authenticating them every time you discuss with the similar internet sites.

The “downside” with SSL caches is that they from time to time motive conflicts in the event that they proceed to retailer old-fashioned variations of a certificates. Thankfully, if that is the supply of the ERR_SSL_PROTOCOL error, you’ll be able to repair it via clearing the SSL state (which is what we name this actual cache).

That procedure varies between OS and browsers. On Home windows, you’ll be able to transparent the SSL slate via opening the Get started menu and typing in Web Houses. Click on at the choice that comes up and pass to Web Houses > Content material. Now search for the button that claims Transparent SSL state on the most sensible of the window:

Clear SSL slate in Windows.

The SSL slate will transparent straight away, and you’ll be able to take a look at gaining access to the website online once more. The mistake will have to now be long gone if the issue was once with an old-fashioned SSL certificates.

Way 4: Disable Your Antivirus (Quickly)

In the end, relying to your selected antivirus device, it could include a integrated firewall. Once in a while, firewalls will also be overzealous when blocking off internet sites because of safety problems, together with issues of SSL certificate and HTTPS connections.

Despite the fact that an antivirus program blocking off a reference to a legitimate SSL certificates is uncommon, it might occur. To ensure that isn’t the case, we suggest briefly disabling your antivirus device and firewall.

This procedure will range relying on which antivirus device you’re the usage of. Generally, you’ll be capable of in finding an technique to disable the antivirus utterly, however we suggest studying the device’s documentation.

When you disable the antivirus device, attempt to get admission to the website online in most cases. If you’ll be able to now discuss with the web page, then you recognize what the offender is. Generally, you’ll be capable of reactivate the firewall after some time because the error will have to be brief.


SSL certificates mistakes have a tendency to be simple to troubleshoot. So long as you recognize the certificates is legitimate and hasn’t expired, the issue typically lies along with your software’s configuration. Tweaking a couple of native settings is steadily sufficient to unravel the ERR_SSL_PROTOCOL error.

In the event you run into the mistake and you wish to have to troubleshoot it, right here’s what you want to do:

  1. Watch for the certificates to propagate.
  2. Take a look at your software’s time and date.
  3. Transparent the SSL slate.
  4. Disable your antivirus (briefly).

Do you might have any questions on solving the ERR_SSL_PROTOCOL error? Let’s discuss them within the feedback segment under!

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