[tor-talk] Tor transparent proxy -> strange behavior regarding .onion

[Paul Syverson]

On Thu, Jan 19, 2017 at 07:06:00AM +0000, Ivan Markin wrote:
> radio_24 at chscene.ch:
> > Firefox message:
> > Server not found
> > Firefox can’t find the server at facebookcorewwwi.onion
> 
This is an onion address. Ordinarily configured Firefox will not recognize
it as such and simply generate a DNS request. As per IETF RFC 7686,
"Applications that do not implement the Tor protocol SHOULD generate
an error upon the use of .onion and SHOULD NOT perform a DNS lookup."
So your Firefox is performing appropriately. 
To go to the onion address for FaceBook you should use Tor Browser.
https://www.torproject.org/projects/torbrowser.html

aloha,
Paul

> Can you check whether Firefox sends actual DNS requests? If it does then
> what response it gets (e.g. via tcpdump/wireshark)? What server replies
> to the requests?
> 
> Also check whether DNS settings are not overridden in your OS/browser
> (e.g. by DHCP).
> 
> --
> Ivan Markin
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