this post was submitted on 30 Aug 2024
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Privacy
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There are many ways your real IP can leak, even if you are currently using Tor somehow. If I control the DNS infrastructure of a domain, I can create an arbitrary name in that domain. Like artemis.phishinsite.org, nobody in the world will know that this name exists, the DNS service has never seen a query asking for the IP of that name. Now I send you any link including that domain. You click the link and your OS will query that name through it's network stack. If your network stack is not configured to handle DNS anonymously, this query will leak your real IP, or that of your DNS resolver, which might be your ISP.
Going further, don't deliver an A record on that name. Only deliver a AAAA to force the client down an IPv6 path, revealing a potentially local address.
Just some thoughts. Not sure any of this was applicable to the case.
There are many ways to set up something that could lead to information leakage and people are rarely prepared for it.
Mullvad is pretty good in this regard by forcing you to use their DNS. Though of course, you have to trust them.
Or use Tails which routes all network traffic through TOR
Tails is the best answer if you need protection
Agreed. There are countermeasures to take against everything I mentioned. You just have to be aware and ideally not be a criminal in the first place.