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Internet surfing issues

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  • Last reply by jonzn4SUSE

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I switched to a new Mac, I downloaded Kaspersky Internet Security and then I downloaded Firefox but when I want to get to any site I get this : www.youtube.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site.". What shall I do ?

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Can you post what you get when you click Advanced?

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Can you post what you get when you click Advanced?