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

[Scfith Riseup <scfith@xxxxxxxxxx>]

I can confirm i cannot get tor .onion to load at all in safari on macOS sierra even if setting privoxy or direct tor socks proxy in network settings. Works fine in firefox with foxy proxy addon. 



On Jan 19, 2017, at 2:38 PM, "radio_24@xxxxxxxxxx" <radio_24@xxxxxxxxxx> wrote:

>> 
>> radio_24@xxxxxxxxxx <mailto:radio_24@xxxxxxxxxx>:
>>> Firefox message:
>>> Server not found
>>> Firefox can’t find the server at facebookcorewwwi.onion
>> 
>> 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).
> 
> Thanks, Ivan for your answer.
> 
> On my client (macOS Sierra, 192.168.42.11), wireshark shows me for Google Chrome following request/response (192.168.42.1 is the IP of the transparent Tor proxy):
> 
> 192.168.42.11    192.168.42.1    DNS      82    Standard query 0x9692 A deepdot35wvmeyd5.onion
> 192.168.42.1    192.168.42.11    DNS      98    Standard query response 0x9692 A deepdot35wvmeyd5.onion A 10.234.82.239
> 
> In other words: it works as expected. 
> 
> But with Firefox and Safari I don’t see anything — whether with wireshark on the client nor with tcpdump on the proxy. Under about:networking <about:networking>, DNS-Lookup, Firefox's response is NS_ERROR_UNKNOWN_HOST. 
> It seems as if macOS Sierra decided that .onion is not a valid DNS name and didn’t make a DNS request at all (and yes, I did flush the DNS cache before).
> 
> To replicate this behavior, I took an old Macbook with OS X El Capitan with exactly the same network configuration (Router: 192.168.42.1 / DNS: 192.168.42.1 / Search Domain: local). It worked without problems (Firefox / Safari have on both computers exactly the same plugins).
> More tests: It doesn’t work on iOS 10.2 either.
> 
> radio_24
> 
> 
> 
> 
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