[tor-talk] anonymous surveys via Tor?

[Fabio Pietrosanti (naif)]

On 5/4/11 9:46 PM, Jacob Appelbaum wrote:
> On 05/04/2011 12:31 PM, Joseph Lorenzo Hall wrote:
>> On Wed, May 4, 2011 at 2:56 PM, katmagic <the.magical.kat at gmail.com> wrote:
>>>
>>> Tor2Web sends the X-Forwarded-For header which will contain the IP of
>>> the client that requested your site. Actual Tor users won't (shouldn't)
>>> send this header at all.

It would be possible to remove X-Forwarded-For from tor2web proxy:

* At apache mod_proxy_http level with a code patch:
http://blog.basteagow.com/2011/04/02/mod_proxy_http-disable-x-forwarded-headers/

Or better do it at polipo level with CensorHeader:
http://www.pps.jussieu.fr/~jch/software/polipo/polipo.html#Censoring-headers

-naif