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Re: same first hops



but it says "first hop"

On Thu, Oct 9, 2008 at 6:31 AM, Gregory Maxwell <gmaxwell@xxxxxxxxx> wrote:
On Wed, Oct 8, 2008 at 11:23 PM, M <moeedsalam@xxxxxxxxx> wrote:
> Thanx Gregory  and F.Fox...understood the concept. Just one note though:
>
> "Tor (like all current practical low-latency anonymity designs) fails when
> the attacker can see both ends of the communications channel. For example,
> suppose the attacker is watching the Tor relay you choose to enter the
> network, and is also watching the website you visit."
>
> When it says "watching" does it mean? I thought the info was encrypted
> (except the last hop) and the IP invisible? Does it mean timing attacks?

Yes. A Timing/Sizing attack.  He sees the last hop exit.