Re: [T(A)ILS-dev] Iceweasel http.keep-alive

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Autor: bertagaz
Data:  
Para: tails-dev
Assunto: Re: [T(A)ILS-dev] Iceweasel http.keep-alive
Hi,

Answering to myself, keep-alive.timeout "determines how long keep-alive
connections are kept alive", according to
http://kb.mozillazine.org/Network.http.keep-alive.timeout. So might be an
option to lower this value.

bert.

On Fri, Dec 24, 2010 at 12:15:07PM +0100, bertagaz@??? wrote:
> Hi,
>
> The LiveCDBestPractices [1] page of Torproject's wiki mentions that
> iceweasel has a "network.http.keep-alive" setting in its configuration
> that is said to be set to FALSE on this page.
>
> This has to be thought before being implemented in T(A)ILS as there are
> pros and cons.
>
> Beginning by cons, disabling this setting would slow down the connections
> to AJAX style websites like modern webmails or so.
>
> But having it set to true would make iceweasel having persistent
> connections to websites. Persistent connections sounds bad, because it
> means a Tor route is maintained to a website for the time of this
> connection, which could break the anonymity. It does also break the use of
> the "new identity" button, when the user want to use another route to a
> given website.
>
> For what I can see in my browsing experience, when I watch the connections
> with my own Vidalia, a lot of modern websites use AJAX to link to facebook
> or similar, and I end up having persistent connections to that kind of
> websites.
>
> Having a look at this option, it seems there is also a
> "network.http.keep-alive.timeout" setting, which by default seems to be
> set to 5 minutes (I guess, cause my Iceweasel setting has this value, and
> I don't remember having modified it).
>
> So maybe an alternative would be to lower this timeout to something like 2
> or 3 minutes only. But I'm not sure it would really close the persistent
> connections. Usually "timeout" means the time to wait for the other side
> to answer before closing the connection. This would require some tests.
>
> Any opinion on this?
>
> bert.
>
>
> [1]
> https://trac.torproject.org/projects/tor/wiki/TheOnionRouter/LiveCDBestPractices
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