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Re: [tor-talk] Fwd: Re: Fwd: CALL FOR TESTING: new port scanning subsystem (allows scanning behind proxies, including Tor!)



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Hi,
thanks for the info! I will try it out these days.

Cheers,
spriver

On 07/03/2015 23:27, Jacek Wielemborek wrote:
> (reposting again because I still wasn't subscribed to tor-talk)
> 
> W dniu 03.07.2015 o 22:01, grarpamp pisze:
>>> One of the features that my modifications enable is performing
>>> port scanning behind proxies. I only scanned it using SOCKS4
>>> server built into Tor
>>> 
>>> ./nmap -sT --proxy socks4://localhost:9050 scanme.nmap.org
>>> 
>>> Please do note that even though port scanning within Tor is
>>> possible, you cannot scan .onion names due to lack of SOCKS4A
>>> support.
>> 
>> SOCKS4 and SOCKS4A are old and deprecated and should not be
>> implemented (unless you're also implementing the current SOCKS5 
>> and adding in 4/4A as a bonus).
>> 
>> Tor supports SOCKS5 (and the deprecated 4/4A but it will
>> complain). So scanning onions and anything else by name should be
>> possible.
>> 
>> SOCKS5 also supports IPv6 which is becoming the way of things. 
>> Therefore, implement SOCKS5 :)
> 
> I think that SOCKS5 support within Nsock library (on which my 
> modification depends) is planned. SOCKS5 also supports UDP, so it
> could bring even more benefits. For now, SOCKS4 has to do though.
> 
> 
> 
> 
> 
> 
> 
> 
> 
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