If I use Signal or Discord to send someone a link to anything hosted on a server...

		mixedbit 7 months ago \| parent \| context \| favorite \| on: 0-click deanonymization attack targeting Signal, D... If I use Signal or Discord to send someone a link to anything hosted on a server controlled by me, provided that the user opens the link, I will get an exact IP address of the user. IP address is much more useful in de-anonymizing the user than the nearest CloudFlare datacenter location.

That's why this is interesting, it doesn't even require someone to open a link