[tor-relays] Is TOR using more than just OrPort and DirPort?

[Daniel Wu]

Is there any way to configure which range of ports Tor uses for outgoing
relay traffic?


On Sun, May 12, 2013 at 2:28 PM, Richard Budd <rotorbudd at gmail.com> wrote:

> Tor will use many unblocked ports for outbound traffic I'm guessing.
> I think that dd-wrt will open any port that Tor requests if you use port
> triggering.
>
>
>
> On Sun, May 12, 2013 at 4:45 PM, Daniel Wu <dw2345 at gmail.com> wrote:
>
>> I just started a relay (non-exit node, not running a client myself), on
>> Windows, using the latest Vidalia Relay Bundle.  Looks like from the
>> configuration, given that I'm running in relay mode, there should be only
>> two ports used by Tor (OrPort and DirPort), right?  However, when I run
>> "netstat -ano", I see that the Tor process is using up a lot more ports.
>>
>> There are these connections, from 127.0.0.1 back to itself.  Some sort of
>> internal process used by Tor?  Not as concerned about these, since these
>> are internal.  But still curious.
>>
>> TCP 127.0.0.1:63417 127.0.0.1:63418 ESTABLISHED
>> TCP 127.0.0.1:63418 127.0.0.1:63417 ESTABLISHED
>> TCP 127.0.0.1:63419 127.0.0.1:63420 ESTABLISHED
>>
>> But then I see connections like these:
>> TCP 192.168.1.202:55049 174.136.105.86:9001 ESTABLISHED
>> TCP 192.168.1.202:56804 37.128.208.46:9002 ESTABLISHED
>> TCP 192.168.1.202:56896 171.25.193.9:80 ESTABLISHED
>> TCP 192.168.1.202:57113 109.232.224.74:9001 ESTABLISHED
>> TCP 192.168.1.202:57206 91.227.249.44:9001 ESTABLISHED
>> TCP 192.168.1.202:57221 67.164.46.197:9001 ESTABLISHED
>> TCP 192.168.1.202:57253 128.31.0.34:9101 ESTABLISHED
>> TCP 192.168.1.202:57259 204.124.83.132:587 ESTABLISHED
>> TCP 192.168.1.202:57260 128.232.18.57:9001 ESTABLISHED
>> TCP 192.168.1.202:57309 204.124.83.131:443 ESTABLISHED
>> TCP 192.168.1.202:57331 81.24.98.236:9001 ESTABLISHED
>>
>> These appear to be the actual Tor relay traffic (192.168.1.202 is my
>> computer).  Why are these using ports in the 55000+ range, when I specified
>> my OrPort to be a singular value (in my case, 9031)?  I would like to know
>> the port ranges used by Tor for relay traffic, so I can use my dd-wrt to
>> set the QoS by specifying these Tor port ranges.
>>
>> Thanks,
>>
>> DW
>>
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>>
>>
>
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