Cisco err_ssl_protocol_error

1. What does ERR_SSL_PROTOCOL_ERROR mean?
2. What is ERR_SSL_PROTOCOL_ERROR 200?
3. How to disable ERR_SSL_PROTOCOL_ERROR in Chrome?
4. What causes SSL error?
5. What is this error Err_ssl_version_or_cipher_mismatch?
6. How do I enable HTTP in my browser?
7. How do I open HTTP sites in Chrome?

What does ERR_SSL_PROTOCOL_ERROR mean?

The ERR_SSL_PROTOCOL_ERROR occurs when a website cannot provide a secure connection. This may be due to issues on the website, such as not forcing HTTPS or not having an SSL certificate. A problem with your browser may also cause the ERR_SSL_PROTOCOL_ERROR.

What is ERR_SSL_PROTOCOL_ERROR 200?

If the website or its IP address has been blocked by your firewall, chrome will display the Err_SSL_Protocol_Error. Check your firewall settings and if you find that website/IP address, quickly remove it.

How to disable ERR_SSL_PROTOCOL_ERROR in Chrome?

Fix ERR_SSL_PROTOCOL_ERROR by disabling QUIC Protocol

To disable it, copy chrome://flags/#enable-quic and paste it into the address bar, hit enter. On top of your screen, the Experimental QUIC Protocol would have been set as Default. Disable it and relaunch Chrome.

What causes SSL error?

If you're surfing the net and an SSL error occurs on a website you're trying to visit, your browser will warn you by showing you an error messages or signal. This error is mostly caused by an expired or bad SSL certificate. It also occurs when the browser can't verify the legitimacy of a website's SSL certificate.

What is this error Err_ssl_version_or_cipher_mismatch?

The err_ssl_version_or_cipher_mismatch is a common error users receive in Chrome browsers when attempting to access a website. The error notifies of a problem with the SSL certificate. Websites use SSL certificates to indicate they are secure.

How do I enable HTTP in my browser?

If you are on an older version of Chrome, you can enable HTTPS-only mode through a Chrome flag. Visit chrome://flags, enable the 'HTTPS-First Mode Setting' flag and restart the browser. You can also directly access the flag by pasting the following URL to Chrome's address bar. 5.

How do I open HTTP sites in Chrome?

Open the Chrome browser. Using your mouse, right-click the Chrome address bar. In the pop-up menu, select Always show full URLs.