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Firefox rolls out Total Cookie Protection by default to all desktop users worldwide | It is Firefox’s strongest privacy protection to date, confining cookies to the site where they were created (blog.mozilla.org)

submitted 2 months ago by ForgottenFlux@lemmy.world to c/technology@lemmy.world

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[-] Cosmicomical@lemmy.world 5 points 2 months ago

Does this stop me from adding to my website an iframe to facebook where facebook can keep its cookies for my user? That would be great but I doubt it.

[-] monogram@feddit.nl 5 points 2 months ago

IIRC an iframe contents is treated as a separate window, so cookies aren’t shared either

[-] Feyd@programming.dev 6 points 2 months ago

https://developer.mozilla.org/en-US/docs/Web/API/Window/postMessage

[-] monogram@feddit.nl 2 points 2 months ago

That’s horrific WHY?

do not add any event listeners for message events. This is a completely foolproof way to avoid security problems. 🤡🤡🤡🤡🤡🤡🤡🤡🤡🤡🤡

[-] Cosmicomical@lemmy.world 2 points 2 months ago

Sure, but the separate window can be on a different domain. Now you have a way to share cookies across multiple websites on different domains if all of them include an iframe to this external domain. And you can use in-browser messages (see window.postMessage()) to communicate between iframes and main window.

[-] monogram@feddit.nl 2 points 2 months ago

Indeed see sibling comment https://programming.dev/comment/11983146

[-] Psythik@lemmy.world 3 points 2 months ago* (last edited 2 months ago)

I haven't worked with HTML since 1999; I hate that I'm just now finding out that iframes are somehow still a thing in the modern world. What the actual fuck. Why? Don't we have some fancy HTML5 or Ajax or something that can replace them?

[-] Cosmicomical@lemmy.world 2 points 2 months ago

Yeah i don't know why, probably exactly because is such a neglected feature that it offers workarounds for some limitations, like in the case of cookie-related patterns.

[-] gamermanh@lemmy.dbzer0.com 1 points 2 months ago

HTML5 can store HTML files inside of HTML files, allowing you to do what an iframe does but with a static (or updated when the page refreshes or whatever) html page

AJAX also has something that can replace iframes

But iframes continue to exist likely for legacy and how easy it is to get a basic page running using them for home projects

this post was submitted on 28 Aug 2024

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