[tor-talk] How dangerous are DNS leak?

[Gregory Maxwell]

On Tue, Sep 18, 2012 at 9:13 AM, adrelanos <adrelanos at riseup.net> wrote:
> Jerzy Łogiewa:
>> How dangerous are the DNS leak for some user?
>
> Very dangerous!
>
> http://www.howdoihidemyip.com/dnsleak.htm
> "The DNS leak provides your ISP name and location to the website that
> you are visiting, thus undermining your ability to stay anonymous on the

It's very dangerous IFF it's real, and IFF you're expecting tor to
hide what sites you're visiting and services you're using from someone
who can watch your network connection.

But it's not always real, some services connect by IP and tor will
produce spurious warnings about these.