Opened 8 months ago

Last modified 5 weeks ago

#28514 assigned defect

Open NUM_PARALLEL_TESTING_CIRCS when a bandwidth test is initiated

Reported by: teor Owned by: neel
Priority: Medium Milestone: Tor: unspecified
Component: Core Tor/Tor Version:
Severity: Normal Keywords: tor-dos, tor-bwauth, 035-backport, 034-backport-maybe, 033-backport-maybe, 029-backport-maybe-not, 033-backport-unreached, needs-proposal
Cc: Actual Points:
Parent ID: #22453 Points:
Reviewer: Sponsor:

Description

After we put a limit on the number of testing circuits (#28511), we can open NUM_PARALLEL_TESTING_CIRCS*3/2 circuits when we start testing bandwidth. Otherwise, circuits can time out and be replaced with new circuits, leading to a DoS.

Child Tickets

Change History (7)

comment:1 Changed 8 months ago by teor

Milestone: Tor: 0.4.0.x-finalTor: unspecified

We might remove bandwidth self-tests.

comment:2 Changed 5 months ago by teor

These open, non-merge_ready tickets can not get backported to 0.3.3, because 0.3.3 is now unsupported.

comment:3 Changed 5 months ago by teor

Keywords: 033-backport-unreached added

Hmm, I guess they should still get 033-backport-unreached

comment:4 Changed 3 months ago by neel

Owner: set to neel
Status: newassigned

comment:5 Changed 3 months ago by teor

Keywords: needs-proposal added

These tickets need a proposal before we write any code.

The two competing proposals in #22453 are:

  1. Remove the bandwidth self-test
  2. Increase the bandwidth self-test so it measures a reasonable amount of bandwidth

comment:6 Changed 3 months ago by cypherpunks

remove bandwidth self-tests.

comment:7 Changed 5 weeks ago by nickm

Removing 034-backport from all open tickets: 034 has reached EOL.

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