Opened 4 years ago

Last modified 15 months ago

#17769 new task

Think of ways to make Tor Browser multi-user aware

Reported by: gk Owned by: tbb-team
Priority: Medium Milestone:
Component: Applications/Tor Browser Version:
Severity: Normal Keywords: tbb-usability
Cc: brade, mcs, tseretni-rmd Actual Points:
Parent ID: Points:
Reviewer: Sponsor:

Description

We are currently shipping Tor Browser with one self-contained profile making it effectively not possible to use it in multi-user mode. We might want to think about ways to change that. This would resolve one blocker for getting Tor Browser into Debian or make it usable in a Windows environment with multiple users.

Child Tickets

Change History (4)

comment:1 Changed 4 years ago by teor

How does this impact tor itself?

I can imagine two different models:

  • single tor instance
    • possible cache/timing leaks between users, particularly with hidden services
      • but I think we're working on this????
    • the existing domain isolation could be extended to deal with multiple users
  • multiple tor instances
    • since users have different guards, their traffic is more distinguishable
    • systems with many users could run low on resources: ports, processes, CPU, etc.
      • it's wasteful to download identical consensuses and descriptors in each instance

comment:2 Changed 4 years ago by mcs

Cc: brade mcs added

comment:3 Changed 2 years ago by gk

#23245 is a duplicate.

comment:4 Changed 15 months ago by tseretni-rmd

Cc: tseretni-rmd added
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