Are there any web browsers that automatically switch to a non-SSL connection if an attempt to connect with SSL

I regularly utilize jQuery along with jQuery.ajax to make connections between pages. I am interested in establishing a connection from a non-SSL page to an SSL page using ajax.

Are there any web browsers that will attempt to connect via non-SSL if the connection to the SSL server fails when using ajax?

In other words, if this code snippet does not work,

$.post('https://xxxxxx')

would the browser automatically try to connect to "" instead? Is there any browser that behaves this way?

I am curious about the potential security risks associated with utilizing jQuery.ajax.

Although I personally find this behavior illogical, I would like some evidence to confirm that all browsers do not exhibit this automatic switch. What resources should I consult? I have read the WC3 XMLHttpResponse documentation, but is it universally applied by all browsers?

javascriptjqueryajaxssl

Answer №1

When you specify https in your ajax call URL, the browser will not attempt to try http since it has not been requested. This is crucial for security reasons.

Just imagine being on your bank's website and their https connection fails. It would be illogical to even consider trying to connect via http.

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