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Re: [tor-relays] Exit in Turkey blocking torproject (komm EA93C), BadExit, Node Subscription Services, Censorship



Matthew: Built in functionality, maybe, an addon, no. Also either solution is a bandaid to the actual problem that we're allowing an exit with no contact information to censor Tor users with impunity!

On Thu, Aug 30, 2018 at 8:01 PM Matthew Glennon <matthew@glennon.online> wrote:
Could this be mitigated with a detection addon in Tor Browser? Detect that the site may be blocked at the exit and offer to fetch a new circuit for the site?


On Thu, Aug 30, 2018, 19:22 Nathaniel Suchy <me@xxxxxxxxxxx> wrote:
The exit is behind a filtered ISP. Opposed to a website blocking exits. That’s the difference.

1) The content provider causes the block.
2) The exit causes the block.

In situation two a censored user may give up on Tor entirely. Should we allow exits in China or Iraq or Syria or Turkey or the several other countries. What if their governments who can afford it spin up 10,000 exits in an effort to censor the Tor Network. Will we sit idly by and allow it?

On Thu, Aug 30, 2018 at 7:17 PM Pascal Terjan <pterjan@xxxxxxxxx> wrote:
A country's ISPs blocking some websites is not the exit blocking it and the result is the same than websites blocking the country, users of that exit can't access the websites just because the exit is in that country but doesn't do any filtering itself.

On Thu, 30 Aug 2018, 16:14 Nathaniel Suchy, <me@xxxxxxxxxxx> wrote:
That’s a website blocking Tor users. Not a Tor Exit blocking a website.
On Thu, Aug 30, 2018 at 7:06 PM Pascal Terjan <pterjan@xxxxxxxxx> wrote:


On Thu, 30 Aug 2018, 14:11 Nathaniel Suchy, <me@xxxxxxxxxxx> wrote:
So this exit node is censored by Turkey. That means any site blocked in Turkey is blocked on the exit. What about an exit node in China or Syria or Iraq? They censor, should exits there be allowed? I don't think they should. Make them relay only, (and yes that means no Guard or HSDir flags too) situation A could happen. The odds might not be in your favor. Don't risk that!

Where do you put the limit?

Various categories of websites are blocked in various countries either by ISPs or by content providers.

For example should exits not be allowed to run in Germany due to  https://en.m.wikipedia.org/wiki/Blocking_of_YouTube_videos_in_Germany ? Or not allow exits in EU due to the number of US websites deciding to block all of EU IPs to not have to comply to GDPR?

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