[tor-bugs] #26425 [Core Tor/Tor]: Add functionality to set SNI for client connections

Tor Bug Tracker & Wiki blackhole at torproject.org
Wed Jun 20 12:37:36 UTC 2018


#26425: Add functionality to set SNI for client connections
--------------------------+------------------------------
 Reporter:  twim          |          Owner:  (none)
     Type:  enhancement   |         Status:  needs_review
 Priority:  Medium        |      Milestone:
Component:  Core Tor/Tor  |        Version:
 Severity:  Normal        |     Resolution:
 Keywords:                |  Actual Points:
Parent ID:                |         Points:
 Reviewer:                |        Sponsor:
--------------------------+------------------------------

Comment (by twim):

 >> Some (not so smart) firewalls do look how random is it
 > Can you post links to such vendors, links to reps, something else?
 > (I think dumb firewalls does simple NXDOMAIN verification, and very dumb
 fw does IP/SNI/cert verification/comp)
 Oh, not really. It was just my guess as they probably get NXDOMAIN in
 fact. I observed it on a network and didn't think it may be as simple as
 DNS resolving. :)

 >>Probably the naming isn't good enough.
 > CustomSNI maybe?

 Sounds better! I also was thinking about expanding SNI to
 ServerNameIndication but it maybe too long and pointless.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/26425#comment:5>
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