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11 Ways to Fix SSL_ERROR_RX_RECORD_TOO_LONG Error in Firefox
This means that the browser can’t verify the secure data
9 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Key notes
Are you getting theSSL_ERROR_RX_RECORD_TOO_LONGerrorwhen trying to open a website inFirefoxover a secure connection with the HTTPS protocol?
This means that the browser can’t verify the secure data, which is usually due to an SSL certificate that isn’t correctly configured.
When that happens, aSecure Connection Failedtab opens with theSSL_ERROR_RX_RECORD_TOO_LONGerror code. This can be a big problem, and speaking of this issue, here are some similar issues reported by users:
Though you can ignore theSSL_ERROR_RX_RECORD_TOO_LONGFirefox error, and hit theTry againbutton a couple of times hoping that it would fix the issue, the easier way would be to identify and eliminate the underlying cause. Read the following sections to find out.
What does this mean SSL_ERROR_RX_RECORD_TOO_LONG?
The error message itself states that the authenticity of the received data could not be verified, and indicates a security issue, most likely, at the server’s end, which prevents you from accessing it.
This particular error message, limited to Firefox, could better be understood only by the website’s administrator since the underlying cause is not precisely listed.
What causes SSL_ERROR_RX_RECORD_TOO_LONG?
The error generally shows up when there’s a problem with the website’s SSL certificate and is indicative of poor security. And your browser is designed to protect you from accessing such sites, thus throwing theSSL_ERROR_RX_RECORD_TOO_LONGerror in Firefox.
Also, if the browser doesn’t support the required version of TLS (Transport Layer Security), you are likely to come across the error. In addition to that, a misconfigured listing port too can lead to theSSL_ERROR_RX_RECORD_TOO_LONGerror.
Quick Tip:
Before starting to struggle to fix thiserror, you should consider switching to a different browser. We recommend Opera One as it’s a safe and fast browser that is not affected by theerror.
This browser comes with a lot of features like a Speed Dial, Ab Blocker, and Instant Search that cut distractions and make your browsing faster than on other browsers.
Opera One
How can I fix ssl_error_rx_record_too_long in Firefox?
1. Try using a VPN to fixSSL_ERROD_RX_RECORD_TOO_LONGwith Facebook
If you’re havingSSL_ERROR_RX_RECORD_TOO_LONGinFirefox, you might be able to fix the problem by using a VPN. In case you’re not familiar, a VPN is a useful tool that can help you protect your privacy online.
When it happens to experience network problems on your browser, you might need to use a virtual private network because it will enhance your browsing security.
Further, you can set up a VPN on your Windows manually, but this process takes longer and it requires some how-to knowledge. A third-party VPN is thus an excellent alternative to resolve browsing issues.
A robust VPN will hide your IP address and chance the geo-location to protect online privacy, secure your device from risky hacking, prevent websites to collect personal data for personalized ads, and so on.
Therefore, assure protection on your PC and repair SSL errors for good, use thebest VPNs on Windows.
2. Select the no proxy setting to fixSSL_ERROD_RX_RECORD_TOO_LONGwith YouTube
Another simple fix that may work is to open the website with HTTP instead. All that’s required is to replacehttps://at the beginning of the URL withhttp://.
3. Open Firefox in Troubleshoot Mode
Now try to connect to the website again, and check if the problem is solved. In case it is, the next method will help disable the conflicting add-ons.
4. Switch off Firefox’s add-ons to fixSSL_ERROD_RX_RECORD_TOO_LONGwith Synology
5. Reinstall Firefox
According to users, you might be able to fix theSSL_ERROR_RX_RECORD_TOO_LONGerrorsimply by reinstallingFirefox. Sometimes your installation can get corrupted and that can lead to this and many othererrors.
However, several users reported that they fixed the problem simply by reinstallingFirefox. There are several ways to reinstallFirefox, but if you want to remove it completely, it’s advised to use uninstaller software.
In case you’re not familiar, uninstaller software is a special application that will remove the selected program along with all of its files and registry entries.
To find out more about uninstallers and try one to fix this Firefox issue, you have thebest uninstaller softwareavailable out there.
By using one of these tools, you’ll completely remove the selected application ensuring that there are no leftover files.
You need to delete those leftovers not only because after a while they will clog your computer but also because some programs won’t run properly after you reinstall them.
Another advantage is that you will get to uninstall multiple applications at once, just by selecting them on a list. And yes, you can also remove some Windows preinstalled apps.
Once you removeFirefoxwith an effective uninstaller, download the latest version from Mozilla’s website and install it again. Several users also suggest using Beta or Nightly versions ofFirefox.
These versions might not be as stable, but they should have the latest fixes available, so if you’re having this problem, the Beta or Nightly version might be just what you need.
6. Refresh the browser to fixSSL_ERROD_RX_RECORD_TOO_LONGwith pfSense
7. Check if your proxy settings are correct
According to users, this problem can appear due to your proxy settings. Your proxy can interfere with Firefox and cause theSSL_ERROR_RX_RECORD_TOO_LONGerror to appear.
To fix the problem, it’s required that you configure your proxy properly. Once you configure the proxy, check if the problem is still there.
8. Set security.tls.version.max to 0 to fixSSL_ERROD_RX_RECORD_TOO_LONGwith Nginx
We have to mention that some users are suggested changing bothsecurity.tls.version.minandsecurity.tls.version.maxto2, so you might want to try that as well.
After doing that, check if the problem is resolved. Keep in mind that this is just a workaround, and changing this setting can sometimes affect your security, so be sure to use this method only as a temporary solution.
9. Check your antivirus to fixSSL_ERROD_RX_RECORD_TOO_LONGwith Visual Studio
SometimesSSL_ERROR_RX_RECORD_TOO_LONGerror can appear due to your antivirus. Your antivirus can interfere withFirefoxand that can lead to this and other similarerrors.
To fix this problem, try disabling certain antivirus features related to SSL. If that doesn’t help, your next step would be to completely disable your antivirus and check if that solves the problem.
In a worst-case scenario, you might even have to remove your antivirus tool completely. If removing the antivirus helps, you should consider switching to different antivirus software.
There are many great security solutions on the market, but if you want the best security that won’t interfere with your system, there iscompatible antivirus softwarethat highly protects your system without affecting other services.
10. Install the latest updates to fixSSL_ERROD_RX_RECORD_TOO_LONGwith Chrome
Once the Firefox is up to date, theSSL_ERROD_RX_RECORD_TOO_LONGerror would be fixed, and you should be able to access the website that was earlier throwing the error.
Also, find out what to do ifFirefox is not respondingon your Windows PC.
If you have any other queries or know of a method that’s not listed here, drop a comment below.
More about the topics:Browser errors,Firefox errors
Loredana Harsana
Windows Software Expert
Loredana is a passionate writer with a keen interest in PC software and technology. She started off writing about mobile phones back when Samsung Galaxy S II was on top of the world and she fell in love with tech of all sorts.
Whenever she’s not at her work desk, you’ll find her enjoying refreshing tea flavors, spilling stories on paper, and listening to the radio.
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Loredana Harsana
Windows Software Expert
Loredana is a tech enthusiast who tackles mobility, privacy, and networking in easy-to follow guides for everyone.
