North American Network Operators Group

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Re: Tor and network security/administration

  • From: Lionel Elie Mamane
  • Date: Thu Jun 22 03:23:09 2006

On Wed, Jun 21, 2006 at 02:53:06PM -0700, Jeremy Chadwick wrote:
> On Wed, Jun 21, 2006 at 05:02:47PM -0400, Todd Vierling wrote:

>> If the point of the technology is to add a degree of anonymity, you
>> can be pretty sure that a marker expressly designed to state the
>> message "Hi, I'm anonymous!" will never be a standard feature of
>> said technology.  That's a pretty obvious non-starter.

> Which begs the original question of this thread which I started:
> with that said, how exactly does one filter this technology?

The list of IP addresses of tor nodes is *public*. If tor users can
get it, you can, too. Some IRC networks already run a stripped-down
tor client to always tag connections from tor as such, and permit
channel operators to ban such connections from their channel should
they wish so.