[tor-relays] Bridge operator iat_mode setting

Anonforpeace anonforpeace at protonmail.com
Fri Feb 26 12:14:26 UTC 2021


So should I remove that instruction from torrc?

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-------- Original Message --------
On Feb 25, 2021, 4:14 PM, Philipp Winter wrote:

> On Thu, Feb 25, 2021 at 06:30:35PM +0100, Toralf Förster wrote:
>> SO why is this not the default?
>
> The feature introduces a substantial performance penalty for a dubious
> and poorly understood privacy gain. If I were to write an algorithm to
> detect obfs4, I wouldn't bother dealing with its flow properties; there
> are easier ways to identify the protocol. In hindsight, it was probably
> a mistake to expose the iat option to users and bridge operators.
>
> Cheers,
> Philipp
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> tor-relays at lists.torproject.org
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