Opened 18 months ago

Last modified 8 weeks ago

#29277 assigned task

Look into getting default Tor bridges scanned by external reachability tests

Reported by: cohosh Owned by: phw
Priority: Medium Milestone:
Component: Circumvention/Pluggable transport Version:
Severity: Normal Keywords: augur, measurement, s30-o21a1, tbb-bridges, anti-censorship-roadmap-2020
Cc: cohosh, gk, phw Actual Points:
Parent ID: #31274 Points: 5
Reviewer: Sponsor: Sponsor30-must

Description (last modified by phw)

Talk to Roya or Paul about tests available for checking the blocking of default bridges.

First determine where development/research is at with Spooky Scan or possibly Censored planet (https://censoredplanet.org/).

These systems check for blocking remotely and so might tell us something different from OONI.

Child Tickets

Change History (24)

comment:1 Changed 18 months ago by gk

Cc: gk added

comment:2 Changed 18 months ago by cohosh

Description: modified (diff)
Summary: Get default bridges scanned by Spooky ScanLook into getting default Tor bridges scanned by external reachability tests

comment:3 Changed 17 months ago by cohosh

Status: assignednew

comment:4 Changed 17 months ago by cohosh

Owner: cohosh deleted
Status: newassigned

comment:5 Changed 17 months ago by cohosh

Status: assignednew

comment:6 Changed 16 months ago by phw

Cc: phw added

comment:7 Changed 16 months ago by phw

Today, Roya visited as during our weekly anti-censorship team meeting and we briefly touched based on getting reachability scans going. David pointed out that OONI's list of default bridges (among other things) would be a great way to get started.

Roya's system has ~50,000 vantage points in 42 "non-free countries" (according to Freedom House's definition) plus a sample of other countries. Roya also wanted to know how often we want these measurements run. "At least once a day" seems like a good answer for now.

For now, I think we should:

  1. Get an initial scan going, and see what we can learn from it.
  2. Compare the scan results to OONI's data and hope that both systems agree.

comment:8 Changed 16 months ago by phw

Keywords: augur measurement added
Owner: set to phw
Status: newassigned

comment:9 Changed 16 months ago by phw

At today's anti-censorship meeting we briefly discussed this project. We decided to move forward with our list of default bridges. These are public and we don't need to worry about sanitising scan results.

comment:10 Changed 14 months ago by gaba

Keywords: ex-sponsor-19 added

Adding the keyword to mark everything that didn't fit into the time for sponsor 19.

comment:11 Changed 14 months ago by phw

Sponsor: Sponsor19Sponsor30-must

Moving from Sponsor 19 to Sponsor 30.

comment:12 Changed 13 months ago by gaba

Keywords: anti-censorship-roadmap-november added; ex-sponsor-19 removed

comment:13 Changed 12 months ago by phw

Parent ID: #31268

comment:14 Changed 12 months ago by phw

Parent ID: #31268#31274

comment:15 Changed 11 months ago by gaba

Keywords: s30-a1 added

comment:16 Changed 11 months ago by gaba

Keywords: s30-o21a1 added; s30-a1 removed

comment:17 Changed 8 months ago by phw

Description: modified (diff)
Keywords: tbb-bridges added

comment:18 Changed 6 months ago by gaba

Keywords: anti-censorship-roadmap-2020Q1 added; anti-censorship-roadmap-november removed
Points: 5

comment:19 Changed 6 months ago by phw

A brief update: On January 14, our friends from ICLab let us know that they are now testing our default bridges. They will get back to us once they have a bit of data to share.

comment:20 Changed 3 months ago by gaba

phw: Any update on this?

comment:21 Changed 3 months ago by phw

I have been reminding our colleagues at ICLab and Censored Planet regularly but haven't gotten data yet.

comment:22 Changed 3 months ago by gaba

Keywords: anti-censorship-roadmap-2020 added; anti-censorship-roadmap-2020Q1 removed

No more Q1 for 2020.

comment:23 Changed 2 months ago by phw

Brief update: Our colleagues from ICLab sent me a measurement snapshot. I took a cursory look at it but need to spend some more time before summarising my analysis on this ticket. Please let me know if anyone else is interested in taking a look at the data.

comment:24 Changed 8 weeks ago by cohosh

cohosh cc'ing myself on sponsor 30 work

Note: See TracTickets for help on using tickets.