[tor-bugs] #28741 [Core Tor/sbws]: sbws should send scanner metadata as part of every HTTP request

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#28741: sbws should send scanner metadata as part of every HTTP request
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     Reporter:  teor           |      Owner:  (none)
         Type:  defect         |     Status:  new
     Priority:  Medium         |  Milestone:  sbws: 1.0.x-final
    Component:  Core Tor/sbws  |    Version:
     Severity:  Normal         |   Keywords:
Actual Points:                 |  Parent ID:
       Points:                 |   Reviewer:
      Sponsor:                 |
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 We can't find out which torflow instances are using a bandwidth server:
 https://lists.torproject.org/pipermail/tor-
 project/2018-December/002108.html

 As far as I can tell, sbws doesn't provide any scanner info in its HTTP
 requests.

 Here's some things we might want:
 * software-name: sbws
 * software-version
 * scanner-nickname
 * scanner-IP-address? (pro: doscover users who haven't set nickname, con:
 discover users)

 Non-standard HTTP headers start with "X-".

 Assigning to 1.0, because this is vital debugging info.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/28741>
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