[tor-relays] We need bridges with iat-mode set to 1 and especially 2 as well!

Mon Jan 24 22:30:47 UTC 2022

Hey,

I live in Iran. Can't disclose my ISP because one person using Tor was sent to jail recently even though he did nothing wrong.

For all Bridge Admins:

You can turn change iat-mode with this config entry in your torrc:

ServerTransportOptions obfs4 iat-mode=2

Good Luck.

Gesendet: Donnerstag, 20. Januar 2022 um 14:32 Uhr
Von: "gus" <gus at torproject.org>
An: tor-relays at lists.torproject.org
Betreff: Re: [tor-relays] We need bridges with iat-mode set to 1 and especially 2 as well!
Hi Anonymous,

I'm curious about in which country iat_mode is useful. Could you tell us?

You may have missed this discussion on the tor-relays mailing list:
https://lists.torproject.org/pipermail/tor-relays/2021-February/019370.html

best,
Gus

On Thu, Jan 20, 2022 at 01:52:28PM +0100, juckiuscaesar at web.de wrote:
> <html><head></head><body><div style="font-family: Verdana;font-size: 12.0px;"><div>
> <div>Hi,</div>
>
> <div> </div>
>
> <div>Setting up more and more obfs4 bridges is fine, but it literally took me 1 hour to get a bridge supporting iat-mode=2 through https://bridges.torproject.org[https://bridges.torproject.org] (that is knowing how to circumvent the fingerprinting measures on that site, which are intended to make it harder for adversaries to get bridge IP's), this is unacceptable as this is the only way I can connect to Tor in my country.</div>
>
> <div> </div>
>
> <div>obfs4 has the possibility to obfuscate the packet size and timing of the underlying protocol it obfuscates, so why is almost no bridge using it?</div>
>
> <div> </div>
>
> <div>A call for action is needed, additionally, please also add information about this to the "How to set up a Relay / Bridge" pages.</div>
>
> <div> </div>
>
> <div>Please do something.</div>
>
> <div> </div>
>
> <div>Regards,</div>
>
> <div>Anonymous</div>
> </div></div></body></html>

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