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Firefox Blocks 0.0.0.0 IP Addresses: Tell Us What This Means To You! (connect.mozilla.org)

submitted 3 weeks ago by neme@lemm.ee to c/firefox@lemmy.world

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[–] alexchapman@lemm.ee -1 points 3 weeks ago (2 children)

Um, OK? I dunno why you'd wanna block access to that IP.

[–] Darkassassin07@lemmy.ca 12 points 3 weeks ago* (last edited 3 weeks ago) (1 children)

The first hyperlink in that post explains exactly why:

https://www.oligo.security/blog/0-0-0-0-day-exploiting-localhost-apis-from-the-browser

[–] Ephera@lemmy.ml 1 points 3 weeks ago

Oh man, I thought, it was some silly celebration day for the 0.0.0.0 address, so I didn't even click on the link at first.

[–] tal@lemmy.today 6 points 3 weeks ago

If a remote page can cause your browser to do fetches on your local machine, it can potentially poke at a lot of important stuff that has Web UIs running on the local machine.