This help content & information General Help Center experience. Fixed by #19412. . However, if youre unsure whether youre using a valid certificate, its worth re-issuing and installing one from a trusted authority. ERR_SSL_PROTOCOL_ERROR SSL SSL ChromeSSL SSL At times, it might be that the problem is coming from your browser especially if it hasnt been updated in a while. The MyKinsta dashboard enables you to force HTTPS for specific websites by entering its Tools tab. Disable the Google Chrome Browser QUIC Protocol on your Windows PC , 6. Change the Permissions for Hosts on your Windows PC , 9. Step 2: Next, disable Experimental QUIC. Temporarily disable one-by-one browser extensions to see whether there are problems with HTTPS requests. Simply enter your domain into the Hostname field and click on the Submit button. When you contact your web host, make sure to tell them about the previous steps you took to troubleshoot the problem. Step 2: Move to the Advanced settings option and select the System option. Start your free trial today. If you run older browser versions, you are more likely to have secure connection issues like ERR_SSL_PROTOCOL_ERROR. This inspection method is quite reliable and will circumvent your browser cache to establish whether the certificate is legitimate. : 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.". How To Fix the ERR_SSL_UNRECOGNIZED_NAME_ALERT Error (4 Methods), Uh-oh, got hit with this SSL error? display: inline-block; Launching the CI/CD and R Collectives and community editing features for How to access POST form fields in Express. Check Windows System Host File on your Windows PC , 5. 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. Step 2: Move to the hosts file, right-click on it and delete the same. Lets take a look at how to do that! If it goes away, its indicative that the extension you last disabled or removed was the problem. 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");. SSL enabled websites have HTTPS prefix, whereas those without it only have HTTP. Once your browser has been restarted, attempt again to connect to the site. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Your answer is identical to the one posted last year: net::ERR_SSL_PROTOCOL_ERROR on http POST to express server, The open-source game engine youve been waiting for: Godot (Ep. You can email the site owner to let them know you were blocked. The Qualys SSL Labs SSL Check Tool is a good idea. Fixing your sites SSL configurationis essential for security purposes. It can put your visitors minds at ease by keeping their data safe. Only a valid SSL certificate will guarantee a smooth, secure connection with a web server. Any valid SSL certificate should receive a full positive report from the SSL Server Test. The good news is that thisSSL error is fairly easy to troubleshoot. . display: inline-block; 8 Things to Do When Experiencing ERR_SSL_PROTOCOL_ERROR: Clear SSL State. If the message still appears in the Chrome browser, you can try these solutions: Solution 1: check the system date/time Since incorrect system dates and times can cause the SSL/TLS connection to fail, you should take a look at the system clock when the 'ERR_SSL_PROTOCOL_ERROR' message appears in your Chrome browser window. Anyone can self-sign a certificate and install it on a website. Sign in Clear SSL State in Internet Options Settings on your Windows PC , 8. This error usually appears when there are configuration issues with the SSL certificate. Sometimes, though, the software might incorrectly block a secure connection when it shouldnt. To fix this, try clearing the SSL state cache. Unlike some other SSL-related errors, this message shows your website as being unavailable rather than warning users away from it: While this error persists, users wont be able to access your website. We buy hosting from hosting companies and test their servers for uptime and response time performance. I diid look at both reproductions this morning (https://github.com/prabh-62/angular-reverse-proxy and https://github.com/snebjorn/dotnet-angular11), I will be creating a PR with a fix for this shortly. Once done restart your browser and try connecting to your website again. This may well give more insight into whats causing the issue. Update your Internet Web Browser on your Windows PC , 12. By enabling all the SSL versions may fix this Error code ERR_SSL_PROTOCOL_ERROR Chrome problem. Have you moved hosts recently, or have you attempted to install new SSL certificates? 2019-05-22 13:25:41 -, :https://www.it163.com/support/439.html Invalid SSL certifications can cause problems preventing users from accessing websites. To do so, copy and paste the following line of code into your address bar. Then well show you multiple ways to fix it. The next time you visit the site, a fresh copy of its SSL certificate will be downloaded to your machine. Easy setup and management in the MyKinsta dashboard, The best Google Cloud Platform hardware and network, powered by Kubernetes for maximum scalability, An enterprise-level Cloudflare integration for speed and security, Global audience reach with up to 35 data centers and 275 PoPs worldwide. We set up Cloudflare certificates for you, so you dont need to worry about SSL errors. Check Windows Firewall or Local Proxy Settings on your Windows PC , 2. To optimize website load times, each HTTPS request would require the download and authentication of an SSL certificate that wouldnt perform very well. Talk with our experts by launching a chat in the MyKinsta dashboard. From here, see if the home url and site url have HTTPS in them, if not make sure to correct this! Next, you could either remove or disable each extension one after the other. Its very important to have an antivirus and firewall software active on your system. Neben Experimental QUIC protocol befindet sich ein Auswahlmen, setzt dort den Wert auf Disabled. .Text /deep/ p {//- Open the CloudFront console. Depending on your internet connection settings, your chrome browser might be updating itself automatically. Failed to load resource: net:: httphttpsossosshttphttpshttpendpointhttps://,https 'https://apis.map.qq.com/ws/geocoder/v1/', divpdivpdisplay:inline-block, display:inline-block 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. Wie kann man in Google Chrome Screenshots von Webseiten machen? To clear your browser cache on Chrome, hold down the following three keys on your Windows keyboard: Doing this will bring up Chrome cache settings.