How to show insecure content in iframe?

@kadin 

To show insecure content in an iframe, you can use the allow="insecure-content" attribute within the iframe tag. Here is an example:

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<iframe src="http://example.com" allow="insecure-content"></iframe>

This attribute tells the browser to allow insecure content to be loaded within the iframe. Keep in mind that displaying insecure content can pose security risks, so it is important to use caution when doing so.