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Re: Hardening lists against spam attacks
On Tue, 31 Dec 1996 [email protected] wrote:
> Send a number of unique tokens to each subscriber each day. Enforce a
> rule that only posts with valid current tokens may be accepted. The
> number of tokens should initially be very small (say, one per day) and
> then should be quickly increased to a sufficient number, like 10 or 20,
> as the subscriber shows a record of using tokens properly (as defined by
> acceptable content rules).
>
> A database is kept as to who was issued which tokens.
>
> If tokens are used improperly (to post off-topic materials) the
> offending subscriber is denied any further tokens.
>
> The problem of this scheme is (besides its cost) that anonymous users
> will not be truly anonymous.
This scheme wouldn't necessarily map True Names to tokens; merely
list subscriptions. If an account at a nymserver were to subscribe,
there would be no way to identify the account holder.
The real problem is that there could be a lot of subscriptions
from a site like nymserver.bwalk.com . . . .
Alan Bostick | I'm not cheating; I'm *winning*!
mailto:[email protected] | Emma Michael Notkin
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http://www.alumni.caltech.edu/~abostick