How to fix unsupported protocol min; Set the integer value to 3 to force protocol of TLS 1. Feb 22, 2023 · If you are receiving the error, you can fix ERR_SSL_PROTOCOL_ERROR on Windows when visiting a known safe site using one of the above options. Click the dropdown menu next to it and select Disabled. It reloads elements of the application quickly instead of downloading them from the internet. 3. See full list on dreamhost. Some websites try using outdated (no longer secure) Transport Layer Security (TLS) mechanisms in an attempt to secure your connection. Mar 20, 2025 · Updating your browser or operating system not only helps fix the ERR_SSL_PROTOCOL_ERROR but also gives you the latest security fixes and features. Dec 27, 2022 · 4. 1) versions and allows only TLS 1. Advanced Fixes for Tech-Savvy Users. com May 10, 2022 · Youtube is the only site I cannot access (on any pc/laptop in the house) and gives the message: This site can’t provide a secure connection. Find out how to fix it by updating software, checking URL, adjusting network settings, contacting website administrator, or disabling security software. Under configuration, it will show you the current version of TLS running on the server with that certificate. Update your browser to the latest version and look for any security problems with your antivirus software. Oct 13, 2022 · Another fix that you can try is to clear the SSL slate in your operating system. What to do: May 30, 2024 · This directive disables older (TLS 1. A cache is a form of temporary data stored in local storage. 4. This site can’t provide a secure connection 192. Reset Chrome Settings: Click the three dots menu → Settings; Scroll down and click “Advanced” Under “Reset and clean up,” click “Restore settings to their original defaults” A short tutorial on how to Fix the "Unsupported Protocol Version ___" error message for Minecraft. In the browser’s address bar, write chrome://flags and press Enter. bensound. Sep 30, 2017 · 2. And clearing your browser’s cache should allow you This help content & information General Help Center experience. Disable QUIC Protocol: Type chrome://flags/ in the address bar; Search for “QUIC” Set “Experimental QUIC protocol” to “Disabled” Restart Chrome; 3. It is possible the issue could be due to website’s certificate. If the issue is coming from your device, here are some Mar 17, 2024 · If you’re looking for (free) tips to optimize your site speed with Cloudflare and rank higher on Google, you can follow me on Twitter 👉🏻 @bitofseo. 1. If your server supports only those, users will see an “unsupported protocol” or “uses an unsupported protocol” message. Oct 25, 2023 · Before diving into the specific steps to fix the SSL_ERROR_UNSUPPORTED_VERSION error, it is important to perform a few preliminary checks: Configuring the SSL/TLS Nov 9, 2023 · All the proposed answers did not work because of either 1) The response was a standard scripted "shot gun" approach to solving a problem that didn't take into account the nature of the problem; 2) Did not fully understand the root cause and how to configure Window and Microsoft Edge Browser to accept the older SSL/TLS protocol security. Follow along at Aug 7, 2024 · To fix this, open Google Chrome. tls. Here’s how to go Apr 14, 2023 · Type TLS in the search field, and double-click on security. 1 uses an unsupported protocol Feb 6, 2020 · ERR_SSL_VERSION_OR_CIPHER_MISMATCH appears due to a mismatch in the SSL/TLS version or cipher suite between the web server and your browser, preventing a secure connection. Once the new interface opens up, simply set the appropriate flag to 'disabled' and re-launch the browser. This is something the SSL Labs tool can also help with. While the issue may ultimately lie with the website's server configuration, these steps can help determine if the problem is related to your local environment: 5 days ago · Unsupported protocol The client and server don’t support a common SSL protocol version or cipher suite (Chrome) SSL_ERROR_NO_CYPHER_OVERLAP (Firefox) Starting at $699, select a template, give us content, and we will do the rest. Sep 2, 2024 · ERR_SSL_PROTOCOL_ERROR in Microsoft Edge Mozilla Firefox. Try various solutions such as setting the correct date and time, clearing browsing data, disabling QUIC protocol, and enabling all SSL/TLS versions. 10. Press Windows key + R to open a Run box, type inetcpl. How to fix “This site can’t provide a secure connection” err_ssl_protocol_error? In this section, we will discuss the possible local or server-side issues that can cause an ERR_SSL_PROTOCOL_ERROR and how to troubleshoot them. cpl into the box and press Enter to open the Internet Properties dialogue. Warning: Potential Security Risk Ahead. How to Fix: Type chrome://flags in your Chrome address bar. Enable the checkboxes next to Set date and time automatically and Set time zone automatically using current location under the Date & Time and Time Zone tabs. ; Update SSL Certificates. Disable Browser Extensions Feb 27, 2020 · Hi, Thank you for replying. Wallpaper from th Dec 13, 2024 · Tip: Use an “Intermediate” or “Modern” configuration from Mozilla for maximum compatibility and security. Dec 15, 2022 · Here’s how to fix SSL_ERROR_UNSUPPORTED_VERSION on Firefox: To fix this error, the person in charge of the website needs to update their SSL version to properly encrypt web data. Here, the browser and the server don’t have the same version of SSL/TLS, so they don’t end up establishing a secure handshake. To tackle the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error, you can try a few troubleshooting steps on your end. Oct 2, 2024 · Other issues can also cause this SSL error, such as outdated TLS/SSL versions, invalid SSL certificates, outdated cipher suites, corrupted browser caches, old browsers or operating systems, antivirus or firewall interference, misconfigurations, and the QUIC protocol. Scroll down and find Experimental QUIC protocol. Protocol Mismatch: Protocol mismatch is another very common reason. Now go to the bottom of the page and click on Relaunch Now . Hope it works!Music: www. But I haven't found how Oct 5, 2022 · A QUIC or Quick UDP Internet Connection is designed to enhance User Datagram Protocol (UDP) connections. Browsers prioritize user safety by blocking sites that attempt to use insecure encryption protocols, leading to errors such as ERR_SSL_PROTOCOL_ERROR. Outdated browsers may not be able to establish a secure connection with the serve; How to fix ERR_SSL_PROTOCOL_ERROR. Oct 17, 2023 · 7. Now, type “quic” in the search box to find the Experimental QUIC protocol setting. Learn what causes the ERR_SSL_VERSION_OR_CIPHER_MISMATCH error and how to fix it as a website owner or a visitor. QUIC is a new protocol developed by the chrome browser to improve performance. Adjust Antivirus Settings. 3. ERR_SSL_VERSION_OR_CIPHER_MISMATCH Unsupported protocol The client and server don't support a common SSL protocol version or cipher suite. The Internet community has updated the SSL/TLS protocol many times over the years to fix vulnerabilities and make the authentication process faster — the name change from SSL to TLS reflects this. Select Date & Time. ERR_SSL_VERSION_OR_CIPHER_MISMATCH. ERR_SSL_PROTOCOL_ERROR is one of the more difficult tutorials we had to write, and most tutorials we read were incorrect and or out of date. This is likely to be caused when the server needs RC4, which is no longer considered secure. Open the System Preferences app. Jun 27, 2022 · Adjust Date & Time on Mac. Although it is not a common issue, some larger enterprises might face this problem since it takes more time to update anything on a larger scale. To do so in Windows, open the start menu and search for Internet Options. Jul 28, 2020 · Users report an error message ERR_SSL_VERSION_OR_CIPHER_MISMATCH when accessing some websites in Edge browser. Select the Lock icon and enter your Mac’s admin password. 1 and 4. Apr 30, 2025 · A mismatch in cipher suites can prevent the SSL handshake from succeeding. Please note that all comments are manually moderated and any deemed to be spam or promotional will be deleted. 1. Jul 16, 2024 · Fix 3: Clear Browsing Data. Ensure Certificate Validity: Always use certificates issued by a trusted Certificate Authority (CA) such as Let’s Encrypt or DigiCert. com uses an unsupported protocol. Disable QUIC Protocol. May 26, 2021 · When trying to go to you tube and other sites I get following message: This site can’t provide a secure connection www. Let’s walk through the steps to troubleshoot and resolve ERR_SSL_PROTOCOL_ERROR. Method 4: Disable QUIC protocol. And it's just my website. Please DM me if you have any questions about this Cloudflare article (or have some feedback to make it better 😄️). Many web services have started to enforce the usage of the latest protocols. If the Experimental QUIC Protocol is set as Default or Enabled, change it to Disabled. Apr 4, 2024 · Now, reload the website, and you will witness that the issue has now disappeared. There's nothing you can do if the problem is on the website's end. If you are using the Chrome browser, then you can also fix this tricky problem by disable QUIC Protocol. No solution is provided by Microsoft, but some users suggest using Internet Explorer mode or other browsers. Dec 3, 2022 · There doesn't appear to be anything wrong with the server's SSL certificate, so perhaps your own settings need adjustment. Available on Android, iOS, Windows, macOS and Linux. Next, make sure it’s set to disable. Lastly, restart Chrome to apply the changes. If there is a problem with QUIC, it can also cause problems with SSL, so you can fix the web page's unresponsiveness by disabling Feb 10, 2025 · The client and server don’t support a common SSL protocol version or cipher suite What Causes the ERR_SSL_VERSION_OR_CIPHER_MISMATCH in Chrome? It occurs when the browser can’t establish a secure connection with the webserver. ERR_SSL_VERSION_OR_CIPHER_MISMATCH May 7, 2023 · I was also facing the same issue a few days ago and I have also tried the normal methods to fix the issue, like Clearing out the browsing data and other resetting the browser settings, but nothing worked so lastly, I tried doing the network adapter resetting and restarted the device and from then onwards I'm not facing the issue again. In Mozilla Firefox ERR_SSL_PROTOCOL_ERROR triggers a warning about the failed secure connection as seen below. Aug 20, 2024 · How to Fix 'Not Secure' Connection Errors . Navigate the antivirus settings of your system’s antivirus software. While QUIC can be an effective alternative to well-known security solutions like TCP, HTTP/2, and TLS/SSL, it may sometimes cause SSL errors like ERR May 12, 2025 · 3. Sep 8, 2023 · Leave a Reply. Although you have checked the Date and Time settings, we can try to set the Time and Time Zone to automatic and run the Sync again. Jul 29, 2024 · (Suggested reading: if you’re using legacy TLS versions, you might want to fix ERR_SSL_OBSOLETE_VERSION Notifications in Chrome). 0 and TLS 1. If not, move on to the following methods. Older cipher suites like RC4, 3DES, or NULL are no longer accepted by browsers like Chrome and Firefox. However, let us try few steps. Oct 8, 2024 · Source. Hello and welcome back to my channel, "KM Webverse. Firefox protects you by preventing navigation to such sites if there is a problem in securely establishing a connection. Microsoft Edge: The connection for this site is not secure 192. It is sometimes enough to simply deactivate QUIC to solve the problem. www. If you're a user encountering this error, try the following steps: 1. " This is Kashif Mahmood - KM, a website and e-commerce developer with expertise in CMS development, inclu TLS version unsupported. Comment policy: We value comments and the time that visitors to our blog spend to give feedback. Click on the result that comes up, and an Internet Properties window will pop up. Check if you’re able to Fix ERR_SSL_VERSION_OR_CIPHER_MISMATCH on Chrome. Feb 6, 2024 · Outdated browser: Keeping your browser updated to the latest version can also help resolve the ERR_SSL_PROTOCOL_ERROR. Disable Chrome QUIC Protocol. After making these changes, save the file and restart Apache to apply the new configuration. there’s nothing you can do except notifying the website owner or administrator to fix Brave is on a mission to fix the web by giving users a safer, faster and more private browsing experience, while supporting content creators through a new attention-based rewards ecosystem. The process is known as a TLS handshake, which is a protocol that ensures secure communication between a user’s computer and a web server. Google Chrome: This site can’t provide a secure connection 192. 3; Click OK, and restart Firefox browser. How Users Can Fix ERR_SSL_PROTOCOL_ERROR. Dec 20, 2022 · Disabling the QUIC Protocol, which was designed to make HTTP traffic more secure, efficient, and fast, can sometimes fix ERR_SSL_PROTOCOL_ERROR. Apr 29, 2025 · 2. sitename. youtube. Suppose your browser detects a misconfiguration or an unsupported version of the SSL. Search. The RC4 Cipher Suite. 2 and TLS 1. ) Clear Browsing Data on Chrome. version. Feb 14, 2022 · Open the "Network and Internet" Settings > > click the "Properties" button to the right of the current Internet network name > "Edit" > Choose the "Internet Protocol version 4 (TCP/IPv4)" option "DNS Server Assignment" Adjust the DNS server to 4. Then, check that your system date and time settings are correct. Run an SSL Certificate Check; The first step is to perform an SSL check on the certificate installed on the web server. Jan 18, 2022 · This site can’t provide a secure connection. So this isn't a internet or chrome or web browser issue I don't think. Mar 24, 2025 · To fix the ERR_SSL_PROTOCOL_ERROR, first, clear your browser cache and cookies. From the user end, you can change Firefox settings to allow it to load websites with unsupported SSL versions, but that does put your data at risk. The Chrome developers removed the RC4 in version 48. If the Date/Time fix didn’t work, you may need to clear your browsing data. Relaunch Chrome. 1 uses an unsupported protocol. Jan 20, 2024 · This is done to verify that the website is authentic and has implemented the correct protocol to secure your connection. Open Google Chrome and type chrome://flags and hit enter to open settings. Apr 28, 2025 · The Quick UDP Internet Connection (QUIC) protocol is an experimental project developed by Google to improve the speed and reliability of web applications using the User Datagram Protocol (UDP). The SSL connections between Chrome users sometimes experience conflicts with the QUIC protocol running on Chrome. The client and server don’t support a common SSL protocol version or cipher suite. com Jan 11, 2024 · Learn what "Unsupported Protocol" means and why it occurs when accessing websites or online resources. 168. ERR_SSL_VERSION_OR_CIPHER_MISMATCH Unsupported protocol The client and server don't support a common SSL protocol version or cipher suite" I have tried other devices and other browsers with the same issue. If the SSL certificate is improperly installed, expired, or doesn’t match the domain name, the browser cannot establish a secure connection to the server. If the basic steps didn’t fix the ERR_SSL_PROTOCOL_ERROR, it’s time to try some more advanced methods. The error occurs when a website's SSL certificate or server configuration is outdated or incompatible with the browser. Leave a comment if you have any questions. . ERR_SSL_PROTOCOL_ERROR in Mozilla Firefox Dec 1, 2017 · Learn how to troubleshoot the common SSL error that prevents Chrome from connecting to some websites. Mar 1, 2023 · Officially still in the test phase, it is already activated by default as an 'experimental protocol' in various services offered by the large corporation such as the Google browser, which means it could be a possible cause for the ERR_SSL_PROTOCOL_ERROR. 7. Feb 11, 2025 · Outdated encryption methods can expose websites to vulnerabilities. You can use the free SSL Checker from Qualys SSL Labs, enter the hostname, and hit submit. ” Set it to Disabled. FIX #4: Disabling QUIC protocol On Google Chrome, you can disable the QUIC protocol by inputting 'chrome://flags#enable-quic' into your address bar. This is another simple process. 2. 2, and click the "OK" button to save. Search for “Experimental QUIC protocol. ERR_SSL_VERSION_OR_CIPHER_MISMATCHUnsupported protocolThe client and ser []. 5 days ago · ERR_SSL_PROTOCOL_ERROR can occur due to several SSL/TLS protocol-related issues, such as: Misconfigured SSL certificates . Feb 7, 2022 · ERR_SSL_VERSION_OR_CIPHER_MISMATCH Unsupported protocol The client and server don't support a common SSL protocol version or cipher suite. If this doesn’t work, take the next pill. 2. Clear search Mar 2, 2023 · Method6. nds vckm vipds ahuagh attu julp trvxq mxpz oic dynf