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 browsers enable you to bypass SSL errors, while others tell you the website is unavailable. However, you can try it out as your final resort if all other procedures fail. Balkonkraftwerk: So lohnt sich die Mini-Solaranlage fr euch, GuteHandys bis 1.000Euro: Es muss nicht immer Apple oder Samsung sein, Mgliche Grnde fr den ERR_SSL_PROTOCOL_ERROR. That is to say, an SSL certificate will only remain valid so long as its expiration time has not been exceeded. Online-Dating: Empfehlungen, Tipps & Stolperfallen bei Tinder, Parship & Co. Spiele in 2023: Auf diese neuen Games knnt ihr euch freuen, Hogwarts Legacy: 10 Tipps, die ihr zum Start wissen solltet. Delete it. However for me it did not resolve the other issue I've been experiencing which is that Live Reload is still getting killed because the error: sockjs.js:2999 WebSocket connection to 'wss://localhost:44300/sockjs-node//websocket' failed: WebSocket is closed before the connection is established. If up to now you are still experiencing SSL connection error, disable your antivirus program and see if this will clear the error. Usually, once you have a secure connection up and running its pretty stable. If you use Kinsta, this process is simple. Let's look at backend. Theres a problem with your certificates configuration. Deaktiviert die Erweiterungen, am besten mit derjenigen beginnend, die ihr zuletzt installiert habt. I experience the same issue, but the workaround ng serve --publicHost=localhost:44300 does work for me. Failed to load resource: net::ERR_QUIC_PROTOCOL_ERROR Chrome Chrome:flags QUIC QUIC TCPUDP Tips ! Query domainlocalhostdynamic_sts_domainlocalhost . To do so, open your browser and look to the top right corner. Check the Firewall or Local Proxy settings to fix this NET ERR_SSL_PROTOCOL_ERROR Chrome code problem. It can put your visitors minds at ease by keeping their data safe. Upon click, a new window will open. Search for the WordPress Address and Site Address options. Step 3: If the problem of ERR_SSL_PROTOCOL_ERROR appears to be from an extension, delete or deactivate it until you have learned more about the cause of the error. Clear your Internet Browser Caches & Cookies on your Windows , 10. Once youve installed an SSL certificate, you must configure your website to load over HTTPS. Plus, a working SSL certificate demonstrates that your website is real and not a phishing attempt. Its very important to have an antivirus and firewall software active on your system. Any help would be appreciated. Failed to load resource: net::ERR_CONNECTION_RESET ; 7. If its been a while since it was last clear, you can also attempt to remove your browser cache. Have a question about this project? HTTPSWeb . I had the same issue but it was with WAGMI (react hooks for web3 dev) and instead of using "https://localhost:6969" (this was the RPC url for my local node) I used "http://localhost:6969" which worked! 50.63.165.22 To do so, open your Control Panel (on Windows), then navigate to System and Security >> Windows Defender Firewall >> Customize Settings. Step 4: Click OK and then restart Chrome to see if the error is resolved or not. Check the Date and time settings and change it so that it can quickly fix this WordPress ERR_SSL_PROTOCOL_ERROR Chrome code problem. Step 2: Move to the hosts file, right-click on it and delete the same. Next, you could either remove or disable each extension one after the other. 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. Most website visitors these days have come to expect HTTPS connections over the entire site. Next, we recommend ensuring that your website is configured to load over HTTPS. The Chrome browser makes this easier as it checks for updates automatically every time you launch the software. One of them is net::err_ssl_protocol_error. As the name suggests, an SSL protocol error occurs when a web browser is unable to establish a secure connection. There, click Internet options. Anyone can self-sign a certificate and install it on a website. Visual StudioASP.NET WebChromeERR_SSL_PROTOCOL_ERROR. When this error occurs, you would see the following error message. In Google Chrome this error will show as ERR_SSL_PROTOCOL_ERROR and will say that the domain sent an invalid response. Klickt oben links auf den Button SSL-Status lschen. The text was updated successfully, but these errors were encountered: @alan-agius4 - Is this a CLI issue? You can also request our service and we will get this fixed for you. Should this happen, you will run into the net::err_ssl_protocol_error. On the next settings page, click the Change button as shown below. occurs for me nearly every time the browser reloads. 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. Read this post to learn what it is and how you can fix the problem. In Microsoft Edge, it will simply show as Cant connect securely to this page (as seen below). This is simplified by the Chrome browser, which automatically looks for updates when you run the software. Step 3: Restart the website and check if this resolves the error. Failed to load resource the server responded with a status ; 9. glyphicons-halflings-regular.ttf:1 Failed to . By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. Error code SSL Connection Error ERR_SSL_PROTOCOL_ERROR Chrome. I don't have any SSL https self signed certificate, but do I need to? If you have multiple browser extensions enabled, then this could potentially be the source of the error. Sign up for a free GitHub account to open an issue and contact its maintainers and the community. However, here are some root causes of ERR_SSL_PROTOCOL_ERROR: Work one by one through the remedies in the following sections until your secure connection error has been corrected. Remove the Ad-Blocker Extension from your Internet Browser - Go to the start menu Search or go to your Browser Click on it and opens it there After that, click on the three dots signs there & click on the ' More Tools ' there Nginx Nginx1.15HTTPS server { listen 443; server_name ; ssl on; ssl_certificate SSL; ssl_certificate_key SSL; ssl_ciphers ; ssl_protocols ; ssl_prefer_server_ciphers on; } Nginx1.15NginxSSL ON Nginx" ERR_SSL_PROT : Keeping your operating system up-to-date is important as well, especially if its been some time since the last update. 2023 Kinsta Inc. All rights reserved. If necessary, disable your firewall as well and check your website again. Should that not work, take things a little further by tweaking your antivirus settings.