They know I'm using a proxy(Tor)...but how?

Tom Hek tor at tomhek.nl
Sun Nov 30 22:08:56 UTC 2008


There are several DNSBL's that list Tor nodes. If they check against a  
DNSBL who lists Tor exit nodes they can detect that you're behind Tor..

Tom

On Nov 30, 2008, at 11:05 PM, gregery wrote:

> Hey all,
>
> I am trying to register at a website forum and I get an error message
> when I try to register.  The message basically says that it seems I am
> using an anonymous internet connection or a proxy.  The site is not
> blocking Tor by exit-node because I get the same error message when I
> try to register at the site while using a public high-anonymous elite
> proxy (L1).  I think the forum administrator is using headers to  
> decide
> if a new member is using a anonymous connection or not.
>
> I use the current TorBrowser Bundle with current TorButton and
> RefControl to spoof the referrer headers.  I also use vanilla Tor,
> Vidalia and Privoxy with the same result.  I tired spoofing my
> user-agent away from the default TorButton U-A settings, I spoofed  
> as a
> Mac, Firefox, IE, Opera, etc, all for not.
>
> Does anyone know how I can circumvent this block?  I at least would  
> like
> to know what in my headers is setting off red flags as that means all
> other Tor users in my anonymity set are potentially setting off red
> flags too.
>
> Thank you
> -- 
>  gregery
>  gregeryhouse69 at allmail.net
>
> -- 
> http://www.fastmail.fm - Access all of your messages and folders
>                          wherever you are
>



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