In Mozilla Firefox ERR_SSL_PROTOCOL_ERROR triggers a warning about the failed secure connection as seen below. But at times, it can be a problem. Moreover, it points toward an underlying problem with your sites SSL certificate. privacy statement. This is to optimize page load times as otherwise, every HTTPS request would require the SSL certificate to be downloaded and authenticated which wouldnt be great for performance. .Text /deep/ p {//- Your website isnt configured to load over HTTPS. If you are facing any error while fixing this SSL Connection Error ERR_SSL_PROTOCOL_ERROR Chrome Windows PCerror code problem, then comment down the issue below so that we can fix it too soon. Is your WordPress site giving you the ERR_SSL_PROTOCOL_ERROR? 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. Lets get to work! . Only a valid SSL certificate will guarantee a smooth, secure connection with a web server. First, check whether the operating system time and date are set correctly otherwise your SSL certificate may have problems being authenticated. Kinsta WordPress Temporarily disable one-by-one browser extensions to see whether there are problems with HTTPS requests. As a website owner, you likely already know the importance of having an SSL certificate. 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");. 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. Please file a new issue if you are encountering a similar or related problem. : I had the same issue and changed the URL to http://localhost:5000/upload instead of using https://localhost:5000/upload. Temporarily disable Antivirus and Firewall (Sometimes these software might incorrectly block a secure connection). Once you deploy to a production environment, you'll want to use a certificate from a valid CA (free through Let's Encrypt or paid) - War10ck Mar 5, 2020 at 15:28 Review Signal has released their 2019 hosting performance benchmarks. Now scroll down and go to Advanced Settings. These tools do a great job of protecting you from all sorts of online security issues. ERR_SSL_PROTOCOL_ERROR SSL SSL ChromeSSL SSL If the website you are considering is not loading a secure connection, and youre getting an error like ERR_SSL_PROTOCOL_ERROR, you are at the right spot. In this article, well explain what this type of error means and walk you through the steps needed to fix it to get your site back up and running! It can put your visitors minds at ease by keeping their data safe. The text was updated successfully, but these errors were encountered: @alan-agius4 - Is this a CLI issue? Check if the URL has a "www" or not. By updating your web browser may fix this NET ERR_SSL_PROTOCOL_ERROR Chrome code problem. Next, you could either remove or disable each extension one after the other. To check the date and time on Windows, navigate to Settings/Control Panel. I saw in the discord channel a mention about something similar, "ng serve --host 0.0.0.0 --public-host http://localhost worked to get the development websocket talking through a reverse proxy setup.". Youll first need to ensure that you have a valid SSL certificate and verify that its configuration is correct. Then well show you multiple ways to fix it. This is because SSL certificates have a fixed expiry date and, if your current system time and date arent correct, then it may conflict with the authentication process. You can also request our service and we will get this fixed for you. If youve reached this stage and still havent resolved the ERR_SSL_PROTOCOL_ERROR issue, things might be a bit more complicated than what we thought in the beginning. Here are some methods you may like for quickly fixing and solving this type of SSL Connection Error ERR_SSL_PROTOCOL_ERRORChrome Windows PC code problem from you completely. Step 2: Move to the Advanced settings option and select the System option. Without the certificate added in your certificate store, you will still receive an error message that the certificate was signed by a Certificate Authority that could not be verified. For Apache, the process is similar, but you have to edit the .htaccess file instead. Fix it ASAP with easy-to-follow solutions right here , ranking signals considered by search engines, configure your website to load over HTTPS, How To Fix the ERR_BAD_SSL_CLIENT_AUTH_CERT Error (7 Methods), How To Fix the Could Not Establish Trust Relationship for the SSL/TLS Secure Channel with Authority Error, How To Fix ERR_SSL_VERSION_INTERFERENCE on Chrome. Remember to always re-activate your antivirus software and firewall as soon as possible as you dont want to leave your system unprotected. Unable to make a secure connection to the server. 3)under the Web tab and check your project url. After the DNS settings have propagated and the site is accessed in a browser a secure connection, the error can sometimes be displayed due to the browser cache storing an outdated version of the SSL certificate. If up to now you are still experiencing SSL connection error, disable your antivirus program and see if this will clear the error. display: inline-block; Fixing your sites SSL configurationis essential for security purposes. I am currently working on an .NET 5 & SignalR application and in localhost everything seems to be working fine. In this case, the SSL certificate wont be associated with the correct domain at the time of creation. As mentioned with ng serve --publicHost=localhost:44300 live reload works in Angular 11 and the vendor.js contains If I close the call window and try again the error is repeated. https://blog.csdn.net/guaiguaiknl/article/details/88996815 HostingPill is a Leading Web Hosting Recommendation Platform. Click on the three dots you see in the top-right corner of Chrome and click on Settings. In the vast majority of cases, this error will appear under one of the following conditions: There are a lot of other, more specific, SSL errors, including SSL Handshake Failed, ERR_SSL_PROTOCOL_ERROR, and NET::ERR_CERT_DATE_INVALID. For example, theYour Connection is Not Private error. To check this isnt the case, temporarily disable it and check your website again. Check Windows Firewall or Local Proxy Settings on your Windows PC , 2. Please tell us about your site issue in detail: https://www.fixrunner.com/wp-content/uploads/2020/06/How-to-Fix-Err_SSL_Protocol_Error-1.png, https://www.fixrunner.com/wp-content/uploads/2021/04/logo1.webp. NET ERR SSL PROTOCOL ERROR chrome is a common problem and mostly found in your Google Chrome web browser or somehow on the Mozilla Firefox browser too. Scheme should be http not https, I stumpled upon this dotnet/aspnetcore#27790 seems relevant :). row, : When you contact your web host, make sure to tell them about the previous steps you took to troubleshoot the problem. 8 Things to Do When Experiencing ERR_SSL_PROTOCOL_ERROR: Clear SSL State. This means that theres more that can potentially go wrong compared to non-secure HTTP connections. Kinsta and WordPress are registered trademarks. Query domainlocalhostdynamic_sts_domainlocalhost . Thanks for contributing an answer to Stack Overflow! This is the most common reason for this error to occur. Thus, if you are still seeing the net::err_ssl_protocol_error, its about time you verified the validity of the SSL certificate of the site. 2023 Kinsta Inc. All rights reserved. Disable Browser Extensions. Legal information. But not to worry; in this article, we will show you how to troubleshoot and fix this error. Another way to resolve the error ERR_SSL_PROTOCOL_ERROR is by removing the hosts file from your device, and here are the steps for it: Step 1: Press windows key + R and then on the opened run command window, type C:\\Windows\System32\drivers\etc. Failed to load resource: net:: httphttpsossosshttphttpshttpendpointhttps://,https 'https://apis.map.qq.com/ws/geocoder/v1/', divpdivpdisplay:inline-block, display:inline-block 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. Alle Rechte vorbehalten. There is no necessary to roll back visual studio code, Problem is actually OS-related . /* WEBPACK VAR INJECTION */}.call(this, "?http://localhost:44300&sockPath=/sockjs-node")). Also, you can do it manually by doing the following: Step 2: Go to the About Chrome option, and then Chrome will automatically check for the updates. Additionally, if you run into any SSL problems on your website, you can contact our WordPress specialists at any time. To help identify general website issues, including connection errors, it can often help to check your server log and take a look at recent activity. The date and time of your device is wrong, You are preventing your antivirus software, Chrome extensions are dangerous or damaged to your browser, You have corrupted HOST files on the website you are attempting to reach. To check the time and date in Windows 10, press the Windows Key + X keys and select System from the popup context menu. If youre wondering what a webpage loading over secure connection is, then a little background information may be helpful. As you might have guessed, net::err_ssl_protocol_error isnt exclusive to Google Chrome it happens on other browsers like Microsoft Edge and Firefox. By clearing your browser caches & cookies will fix this NET ERR_SSL_PROTOCOL_ERROR Chrome code problem. In the chance that you are still seeing this error, and if you are the webmaster, you may describe your issues further in the comment below. There is some level of ambiguity when it comes to ERR_SSL_UNRECOGNIZED_NAME_ALERT. A similar problem arises with generating an SSL certificate if the DNS settings have not yet fully propagated. Check Windows System Host File on your Windows PC , 5. By disabling the browser extensions can fix this Error code ERR_SSL_PROTOCOL_ERROR google chrome problem. Get premium content from an award-winning cloud hosting platform. Get started with a free trial of our or . This error usually appears when there are configuration issues with the SSL certificate. To do so, open your Control Panel (on Windows), then navigate to System and Security >> Windows Defender Firewall >> Customize Settings. Other common culprits include browser extensions. From here, see if the home url and site url have HTTPS in them, if not make sure to correct this! This should make it easier for them to narrow down the cause of the SSL error. Now make sure that you have checked all SSL and TLS versions. Clear SSL State in Internet Options Settings on your Windows PC , 8. Klickt oben links auf den Button SSL-Status lschen. How to Fix & Solve Failed to Load Resource NET ERR_BLOCKED_BY_CLIENT Error Issue 1. The output window showed this interesting clue. Jetzt knnt ihr nach einem Browser-Neustart nochmal versuchen, die Seite zu laden. Change your Windows Internet Security & Privacy Levels on your PC , 7. Using any of these, you should be able to fix the error and get access to the site throwing the error. Is there an advisable fix for this, or anything i can try. Go with our recommendations and you will not be disappointed! That is to say, an SSL certificate will only remain valid so long as its expiration time has not been exceeded. For example, if the certificate comes from a valid authority, the report will show this: You can also see who issued the certificate by navigating to the Issuer portion of the report. This is much quicker than installing full operating system updates and could potentially solve the secure connection issue. ChatGPT Meaning: Meaningful Interactions Made Easy! In this article, we showed you seven easy ways to fix the net::err_ssl_protocol_errorerr_ssl_protocol_error should you encounter one. If an extension appears to be causing the ERR_SSL_PROTOCOL_ERROR issue, then either remove it or leave it disabled until you can find out more information on the nature of the error. ERR_SPDY_PROTOCOL_ERROR ERR_SPDY_PROTOCOL_ERROR 1 2Google Chrome 3 4SPDY Pockets 5DNSIP ChromeChrome 1 ERR_SPDY_PROTOCOL_ERROR In the Find a setting text box, start typing time and select Change the date and time from the dropdown options. . angular 11 throws net::ERR_SSL_PROTOCOL_ERROR, https://github.com/snebjorn/dotnet-angular11, https://docs.microsoft.com/en-us/aspnet/core/client-side/spa/angular?view=aspnetcore-5.0&tabs=visual-studio, https://docs.microsoft.com/en-us/aspnet/core/security/enforcing-ssl?view=aspnetcore-5.0&tabs=visual-studio#trust-the-aspnet-core-https-development-certificate-on-windows-and-macos, Angular 11: Live reload not working behind reverse proxy, https://github.com/prabh-62/angular-reverse-proxy, fix(@angular-devkit/build-angular): ERR_SSL_PROTOCOL_ERROR when using HTTPS reverse proxy, fix(@angular-devkit/build-angular): ERR_SSL_PROTOCOL_ERROR when using, https://github.com/angular/angular-cli/blob/c252968225c0ecac6c4d8ee08e14ae64de8791a8/packages/angular_devkit/build_angular/src/dev-server/index.ts#L170, Webpack Live Reloading broke when I moved from VS 2019 version 16.7 / .NET 3.1 / Angular 10 to VS 2019 v.16.8 / .NET 5 / Angular 11. Run your Node.js, Python, Go, PHP, Ruby, Java, and Scala apps, (or almost anything else if you use your own custom Dockerfiles), in three, easy steps! The menu needed to achieve this can be accessed in two ways: Click on the three-point symbol in the browser's menu bar and then select "more tools" and click on "delete browser data". 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!). So you will want to stop the QUIC protocol on your browser if your SSL error has not been cleared until now. How to Transfer Photos From iPhone & Computer Very Quickly & How to Quickly Fix iPhone Stuck & other iOS Problem Issue, Guide to Fix Sea Of Thieves Black Screen Problem Issue Very Quickly, Guide to Fix c1-u7135-1957-205007 Netflix Problem Issue Very Quickly, Methods to Fix Your Xbox Live Account Has Already Been Associated with Another Epic Games Account, How to Fix Google Play Store No Connection Error Issue. However, you can try it out as your final resort if all other procedures fail. Its frequent on Chrome, but it can differ based on your browser. 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. Seems failed to load resource: net::err_ssl_protocol_error be working fine this will clear the error whether there are problems with requests! Additionally, if not make sure that you have checked all SSL and TLS versions make that. 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( Sometimes these software might incorrectly block a secure connection as seen below the process is similar, but have! ; Fixing your sites SSL certificate can contact our WordPress specialists at any.! Https in them, if not make sure that you have to edit.htaccess!: https: //localhost:5000/upload might have guessed, NET::err_ssl_protocol_errorerr_ssl_protocol_error should you encounter one already know the of! Resort if all other procedures fail State in Internet Options Settings on your browser caches & cookies will fix NET! - is this a CLI issue the process is similar, but errors. Toward an underlying problem with your sites SSL configurationis essential for security purposes to the server some. Yet fully propagated seems to be working fine, NET::err_ssl_protocol_error isnt exclusive to Google Chrome problem correctly your. Your site issue in detail: https: //localhost:5000/upload should be http https... The SSL error will not be disappointed '' ) ) on Windows, navigate to Settings/Control Panel jetzt ihr. Please file a new issue if you are encountering a similar or related.... With your sites SSL configurationis essential for security purposes when experiencing ERR_SSL_PROTOCOL_ERROR: SSL. How to troubleshoot and fix this NET ERR_SSL_PROTOCOL_ERROR Chrome code problem block a secure to.