flooding attacks to discover hidden services

[Wikileaks]

On 02.01.2007, at 09:34, Paul Syverson wrote:

> On Mon, Jan 01, 2007 at 06:22:52PM +0000, Steven Murdoch wrote:
>> On Tue, Jan 02, 2007 at 01:39:05AM +1100, Wikileaks wrote:
>>> Open an onion connection to the hidden service, asking for echos.
>>> Now  flood each router. If the "ping" is overly delayed, the router
>>> is on the hidden  path.
>>
>> This is a special case of the attack described in 5.2 of [1].


Then it seems a further recommendation for hidden server operations is
to manually specify guard nodes from a set of high traffic nodes.

Lucky.