[tor-bugs] #10314 [Firefox Patch Issues]: Think of strategy for deprecating pluggable transports (e.g. obfs2)

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#10314: Think of strategy for deprecating pluggable transports (e.g. obfs2)
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 Reporter:  asn                   |          Owner:
     Type:  task                  |         Status:  new
 Priority:  normal                |      Milestone:
Component:  Firefox Patch Issues  |        Version:
 Keywords:                        |  Actual Points:
Parent ID:                        |         Points:
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 Currently, most bridges (the 70%) run obfs3+obfs2 and the rest run only
 obfs2.

 China has an active probing module for obfs2 and not for obfs3, so using
 obfs2 in China is bad currently. It doesn't allow you to bypass censorship
 and it might also burn the bridge (if they ever decide to do IP-based
 censorship and not IP/TCP-based censorship).

 We should think of how to deprecate obfs2. A good starting point would be
 to completely remove it from obfsproxy (by removing the code) and also
 stop suggesting it via BridgeDB.

 We should think if there are any problems with the above approach, and how
 we can improve it.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/10314>
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