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How to fix the SSL_ERROR_RX_RECORD_TOO_LONG Firefox Error

how to fix the ssl error rx record too long firefox Error

There’s an easy way to resolve the SSL_ERROR_RX_RECORD_TOO_LONG error in this popular Firefox browser – we’ll show you how

The world today is believed to be a Google chrome savvy one. However, it is not valid. Many people still love Mozilla Firefox and believe it to be their go-to browser.

Much like any other browser, Mozilla has its complications. It is an advanced and secure browsing option because of its security features.

However, there is a common issue that Mozilla users face. Upon opening an HTTPS website, the browser shows an error by the name of SSL_Error_rx_record_too_long.

But most people do not understand the reason behind it. If you fall into the same category of people, do not worry because we have got you covered.

Why does this error happen?

Most users face this error because of Mozilla’s inability to verify the security of the SSL certificate.

Generally, users say that whenever they try to access a secure website, they see a message stating: Secure connection failed due to SSL certificate verification failure.

However, the same error can occur due to anti-virus interference. Anti-viruses scan websites and data, which makes it hard for the browser to identify the SSL certificate.

How does an SSL certificate cause the error to crop up?

An SSL certificate works to encrypt the data being transferred over the network and then decrypt it for an end-user to understand.

This encryption-decryption process keeps hackers away from the website, and users get a safe environment to work in.

Although, during the encryption process, if the data gets fragmented or corrupted, the SSL verification fails due to the browser’s inability to verify the encrypted data.

Thus, most of the time, an unconfigured SSL certificate is why users see SSL_Error_rx_record_too_long error.

But how do you fix these issues?

Well, there are six tips through which you can counter this error. Let us look at them:

#1. Ensure that your website is getting loaded without security

Before trying anything fancy, the first thing you ensure is that your website runs smoothly without HTTPS security.

To remove your HTTPS security and run your website on HTTP, you have to follow three simple steps:

  • Visit the website.
  • Change HTTPS://to http:// and press Enter.
  • Check whether your site is getting loaded or not.

This way, you will drive clear any website development or design error and focus on other factors.

#2. Keep your Firefox browser updated.

Although Mozilla Firefox has an automatic update system still sometimes, you have to update your browser manually.

Update your browser by following these steps:

  • Open the menu by clicking on the open menu and go to
  • In the Help menu, click on
  • If there is a browser update, you will see an update window. If you do not see it, your browser is already up to date.
  • If the update window appears, hit Restart to update Firefox, and it will update your browser.

These steps will ensure that your browser is safe and secure.

#3. Refresh your Firefox browser

Sometimes some unwanted spammy ads and malwares enter your browser and change the entire settings.

By refreshing your browser, you can chuck those unwanted bugs out and get your browser settings to default.

To refresh your browser, you must follow these steps:

  • In the address bar of your Firefox browser, write about: support
  • Upon hitting Enter, you will see a Troubleshooting window getting opened.
  • See on the right side; you will see a Refresh Firefox button; click on it.
  • A warning window will appear asking you to either Cancel or Refresh Firefox; click on Refresh Firefox.

Refreshing will help your browser in the running optimally.

#4. Remove all Firefox extensions.

Sometimes SSL_Error_rx_record_too_long occur due to the hard-coded add-ons and extensions.

These extensions restrict the browser to connect to HTTPS secure websites. Once removed, the browser gets a free hand to connect to a secure website.

Here is what you have to do to remove extensions and add-ons:

  • Hit the Open menu and click on Add-ons.
  • Hit the Disable button against every add-on you see.
  • Hit Restart and connect to the website again.

By disabling the add-ons, the browser finds it easier to connect to an HTTPS secure website.

#5. Restart the website in a safe mode

Safe mode is an excellent way to try running a website. You can keep the website away from the eyes of the hackers and address the issue.

Like Google Chrome and Microsoft Edge, Mozilla Firefox also comes with a safe mode.

Here is how you can use it:

  • Click on the open menu and select
  • Click on Restart with add-ons disabled in the help menu.
  • From the dialogue box that appears, click Restart and select Start in safe mode from the following dialogue box.
  • Now, please enter the website URL and try to connect with it.

#6. Try accessing the website after disabling your anti-virus.

Anti-viruses protect your desktop from malwares and spyware, which is why sometimes they create harsh protocols for some SSL certificates to pass.

Anti-viruses can interfere with data encryption and cause a breakdown in communication. To prevent it, you must try disabling your anti-virus.

To disable the anti-virus in your windows 10, follow these steps:

  • Click on Open Settings by selecting the Start icon.
  • Click on Update and Security and further click on Windows Security.
  • Select Virus and Threat Protection and open its settings.
  • Select Real-time protection and switch it off.

This way, you can ensure that your anti-virus is not a problem in website access.

To Conclude

Fixing SSL_Error_rx_record_too_long error is an easy if you know what is causing the issue.

As there can be multiple factors behind the error, we have to experiment and find out the reason behind the error.

Try running your website on HTTP instead of HTTPS to remove any security. Keep your Mozilla browser updated and keep it refreshed.

Remove all browser extensions and restart your website in safe mode. Moreover, make sure that you are keeping your anti-virus turned off.

So, make sure that you are trying all these steps and get your error fixed.

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