Re: [Tails-dev] Added support for keeping entry guards

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Autor: winterfairy
Data:  
Dla: The Tails public development discussion list
Temat: Re: [Tails-dev] Added support for keeping entry guards
anonym wrote:
> Hi!
>
> 28/05/13 20:47, winterfairy@??? wrote:
>> The following patches introduce support for persisting /var/lib/tor. The
>> primary benefit of this is the improved security/anonymity by keeping
>> ones
>> Tor entry guards. But there is bootstrap and circuit speed benefits too.
>
> [...]
>
> Second, your patches does not deal with the issues that's listed on the
> ticket [1].
>
> [1] https://tails.boum.org/todo/persistence_preset_-_tor/


Sorry, I missed that page. None of my search words matched that title :(

However, I hoped the solution would be something simple as I did. After
reading this page that appears not to be the case, so I am not going to
tackle this issue further.

> [...]
>
> Also, "better anonymity" isn't
> as clear-cut as we may wish it to be due to the physical location
> tracking issue. It all depends on the user's threat model, and we have
> to guide them so they can make an intelligent decision.
>
> What about:
>
>     Tor data directory

>
>     Tor performance and anonymity benefits at the cost of
>     geographical tracking

>
> As always, reading the docs will give the full information, and
> hopefully the "geographical tracking" part of the description will make
> users that haven't read the docs think twice.


"geographical tracking" sounds too scary IMO, for users who will never
bother with the documentation (90%+ of users).

>
>> +            options     => [ 'source=tor-state' ],

>
> For consistency with how we (and torrc and Tor's man page) refer to this
> directory, and to prevent confusion with `/var/lib/tor/state`, I'd
> prefer `source=tor-data`.


Agree.

>> 0001-Fix-ownership-of-var-lib-tor-after-login-before-Tor-.patch
>
> I think I'd prefer not to bloat Tails Greeter further whenever it's
> possible and makes sense. In this case that code can be put in Tor's
> NetworkManager hook [6], before it starts Tor. I can't see any reason
> why not to, but I may have overlooked something (?).


That is probably possible to do, I didn't think about that. Makes sense.