this post was submitted on 29 Jun 2023
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So I have two questions, first how does a browser stop websites from scanning open ports and second WHY THE FUCK DO WEB SITES SCAN OPEN PORTS
if you use firefox you can use this addon
fingerprinting (i.e. tracking you), even if you delete cookies etc
But re 1) I'm so confused, how does the browser have access to such information, never mind an addon?
I get that browsers can do way more than tcp port 80 these days, but I didn't know it can do so much, man.
Or is that sniffing so closely related to the web site itself, i.e. is the actual web server doing it? I would expect that if someone would want to snoop on my network, they'd be using something else than a web server.
Guess I need an eli10 for modern browsers.
https://blog.nem.ec/2020/05/24/ebay-port-scanning/ this explains it pretty well, but not eli10