One of our favorite examples is the Qualys SSL Server Test. You will see a three-dot vertical icon; click on it. Versucht zwischendurch immer wieder in einem anderen Tab, ob sich die Seite nun laden lsst. Making statements based on opinion; back them up with references or personal experience. Next, we recommend ensuring that your website is configured to load over HTTPS. Go with our recommendations and you will not be disappointed! To access these settings, open Settings/Control panel and navigate to Network Sharing Center. - Please copy and paste the sessionId here Message 3 of 8 19,748 Views 0 Reply wj475 Click on the Content tab, and then Clear SSL State. This website is using a security service to protect itself from online attacks. Stellt sicher, dass die Optionen TLS 1.0, TLS 1.1 und TLS 1.2 aktiviert sind und probiert dann nochmal, die gewnschte Web-Seite zu erreichen. Sometimes, though, the software might incorrectly block a secure connection when it shouldnt. Traditionally, it was deemed unnecessary (and overkill) to use a secure connection site-wide in-part due to the prohibitive expense of SSL certificates. Select the Cookies and Cached items as shown below. to your account, The issue is caused by package @angular/cli or @angular/core, Yes, the previous version in which this bug was not present was: 10.2.3, Clone https://github.com/snebjorn/dotnet-angular11, The frontend is accessed via https://localhost:5001 because it's "hosted" with ASP.NET Core using spa.UseProxyToSpaDevelopmentServer("http://localhost:4200");. By Disabling Google Chrome, the QUIC protocol can fix this NET ERR_SSL_PROTOCOL_ERROR Google Chrome code problem. The results of the SSL certificate verification are provided once the scan has been completed. Read more about our automatic conversation locking policy. We recommend using the SSL check tool from Qualys SSL Labs which is the one we use internally at Kinsta. 1. 2. The WebSocket connection to 'wss:// [IP_ADDRESS]:8189/' failed: Error in connection establishment: net::ERR_SSL_PROTOCOL_ERROR is still present, but only on the first instance of trying to make the call. SSL enabled websites have HTTPS prefix, whereas those without it only have HTTP. Asking for help, clarification, or responding to other answers. These are called protocols which are basically a set of rules for determining how web pages are transmitted from the server (where your website is located) to the browser. ERR_SSL_PROTOCOL_ERROR SSL SSL ChromeSSL SSL The ERR_SSL_UNRECOGNIZED_NAME_ALERT error appears when theres a validity or configuration issue with your sites certificate. Then hit the Clear Data button to clear your browsing data. One of these requirements needed to make a website work with an HTTPS connection is that you must have a valid SSL certificate installed and configured correctly. Danach knnt ihr nochmal versuchen, die Seite mit Google Chrome zu laden. In addition, following the propagation of DNS settings and access to the site in a secure browser connection, an error can occur due to the browser cache, which stores an outdated version of the SSL certificate. Then, in the Date and time settings window check the time and date are correct before continuing. If you click on Enable, itll automatically start redirecting all connections through HTTPS: If youre not using Kinsta, the process is a bit more involved to solve ERR_SSL_UNRECOGNIZED_NAME on Nginx servers. Is your WordPress site giving you the ERR_SSL_PROTOCOL_ERROR? To do so, you can use online SSL tools like SSL Labs. Temporarily disable browser extensions one-by-one to see if theres one causing issues with HTTPS requests. Its frequent on Chrome, but it can differ based on your browser. Click this to install the latest updates. divpdivpdisplay:inline-block, Change!! By enabling all the SSL versions may fix this Error code ERR_SSL_PROTOCOL_ERROR Chrome problem. Basically when WordPress generates a page, it includes several files in the code such as images, scripts, stylesheets, and more. When its finished, restart your browser. Fr Links auf dieser Seite erhlt GIGA ggf. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Deactivate the plugin then visit WordPress -> Settings -> General. If you are facing SSL Connection Error ERR_SSL_PROTOCOL_ERROR Chrome Windows PC code problem and always frustrating and thinking about to solve this error code problem but couldnt find right solution on the internet so today, we are going to show you that How to fix and resolve this NET ERR SSL PROTOCOL ERROR chrome code problem. If your web host doesnt offer an option to force your site to load over HTTPS, your best bet is to change the servers configuration directly. All that has changed now though with free SSL certificates being readily available, so HTTPS has become standard practice. And most of the time, issues occur when something has been changed either on the server side for existing websites, or when setting up your site for the first time. We recommend that you also delete browser cookies too, but bear in mind that any sites youre currently logged into will require you to log in again the next time you visit them. In Google Chrome this error will show as ERR_SSL_PROTOCOL_ERROR and will say that the domain sent an invalid response. Step 4: Click OK and then restart Chrome to see if the error is resolved or not. Usually, its pretty stable when you have a secure connection. When your SSL certificate is working properly then a padlock icon is displayed next to the website address in the browser window. Therefore, it can boost your online visibility and attract more visitors to your website. : ()url. Theres a problem with your certificates configuration. Your IP: Press Windows + R, type in C:\Windows\System32\drivers\etc, and hit the enter button You will find a file named hosts. Step 4: Restart the browser and check if the error is resolved. I am currently working on an .NET 5 & SignalR application and in localhost everything seems to be working fine. Verify SSL Certificate (DNS settings haven't fully propagated yet). When I try to deploy it to IIS pre-production Server which doesn't have a SSL certificate configured, pages other than Login are showing the message "This site can't provide a secure connection". However, you can try it out as your final resort if all other procedures fail. What is ChatGPT Unlock the Power of ChatGPT & Transform Your Conversations! By disabling the browser extensions can fix this Error code ERR_SSL_PROTOCOL_ERROR google chrome problem. This type of check is pretty reliable and bypasses your browser cache to determine if the certificate is valid. We'll get back to you in one business day. Bn s thy Internet Properties Chuyn n tab Content v nhp vo Clear SSL State . 1. I created #19406 as a separate issue since there could be a different issue with dotnet AspNetCore template and I don't want to hijack this thread, Thanks all for the input and all the users who provided the reproductions. Some steps, therefore, focus on the settings for your local computer/browser, while other actions address server configuration issues and configuring the SSL certificate. Why are non-Western countries siding with China in the UN? By deleting the system host file may fix this Chrome ERR_SSL_PROTOCOL_ERROR android code problem. Check Windows Firewall or Local Proxy Settings on your Windows PC , 2. Have you recently changed hosts or tried to install a new SSL certificate? Temporarily disable Antivirus and Firewall (Sometimes these software might incorrectly block a secure connection). By clearing the SSL state will fix this site cant provide a secure connection ERR_SSL_PROTOCOL_ERROR Chrome code problem. Ackermann Function without Recursion or Stack, The number of distinct words in a sentence. Of course, this happens on an SSL certificate enabled website. Start your free trial today. From here, see if the home url and site url have HTTPS in them, if not make sure to correct this! Legal information. However, modern browsers constantly include new and updated security measures, and problems are regularly corrected, and keeping everything up to date is the best approach. Fix 9: Enable all versions of TLS/SSL. Depending on your internet connection settings, your chrome browser might be updating itself automatically. If youre still seeing the error, its time to contact your web host for help. In Mozilla Firefox ERR_SSL_PROTOCOL_ERROR triggers a warning about the failed secure connection as seen below. These days, theres no excuse not to have a working SSL certificate on your website since its pretty easy to set up(some web hosts even do it for you!). Failed to load resource the server responded with a status ; 9. glyphicons-halflings-regular.ttf:1 Failed to . Change your Windows Internet Security & Privacy Levels on your PC , 7.