[Remops] Data on remailer traffic
Lance Cottrell
loki at obscura.com
Tue Mar 18 20:42:17 GMT 2014
Good point. An attacker with a network backbone perspective could do a good job of measuring user->mixmaster, mixmaster-> mixmaster, mixmaster->destination
This would allow an easy calculation of the amount of bitbucket happening at the given remailer, and of the real traffic in and out of the mix.
-Lance
--
Lance Cottrell
loki at obscura.com
On Mar 18, 2014, at 1:16 PM, Charles Teller <cteller at riseup.net> wrote:
>> Do we want attackers to have access to the content vs. cover traffic
>> ratio?
>
> Completely valid question, and I'm open to discussion on it. I have two
> thoughts on it at this point.
>
> First, I think the ratio is already known by certain parties. It has
> always seemed reasonable to assume that plaintext traffic out of remailers
> is tracked. I am not proposing examining anything else other than messages
> that have already gone through the entire remailer chain.
>
> Second, I think research into this could prove useful. If not useful, at
> least interesting. Examining plaintext messages coming out to get an idea
> of how much real traffic is being sent could prove enlightening. And of
> course anything encrypted (via PGP or a Type-II hop) would not reveal
> anything and so would not (could not) be examined.
>
> "Examined" is the wrong word there, I think.
>
> Those are my thoughts. I could be wrong, and as I said in my first email,
> I am open to discussion on this. I do not run a remailer, so it is up to
> others to decide if this is useful and worth any possible risk.
>
>
> _______________________________________________
> Remops mailing list
> Remops at lists.mixmin.net
> http://lists.mixmin.net/mailman/listinfo/remops
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mixmin.net/pipermail/remops/attachments/20140318/306f86b0/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/pkcs7-signature
Size: 4877 bytes
Desc: not available
URL: <http://lists.mixmin.net/pipermail/remops/attachments/20140318/306f86b0/attachment-0001.bin>
More information about the Remops
mailing list