[tor-bugs] #32256 [Applications/Tor Browser]: TorBrowser should advertise Onion Networking capability in the User-Agent: string

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#32256: TorBrowser should advertise Onion Networking capability in the User-Agent:
string
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 Reporter:  alecmuffett               |          Owner:  tbb-team
     Type:  enhancement               |         Status:  new
 Priority:  Medium                    |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Normal                    |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by gk):

 I am not convinced that we should send this information in _every_
 request. What does it mean if a request to fetch an embedded image
 contains that information? What is supposed to happen in that case? The
 idea in this ticket is that _once a site gets requested_ the site owner
 has a reliable idea of whether the user is using Tor or not to act upon
 that, for instance by sending an Onion-Location header back. There is no
 need to send that information later on for every sub-resource: that does
 not help making the decision on whether to point to some onion or not.
 Rather, it just contributes to unnecessary load on the Tor network (yes,
 it's just some bytes, but they some up).

 Whether that means the changing the UA or not is a good approach, I am not
 sure yet.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32256#comment:9>
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