[support] Tracking user IP addresses for duplicate accounts

[Ivan Sergio Borgonovo]

On Thu, 13 Mar 2008 04:02:01 -0500
Larry Garfield <larry at garfieldtech.com> wrote:

> Hi again!

> Another challenge I have is on one site, users keep signing up
> multiple times with more than one account.  That's a problem, as
> multiple accounts is against our site's TOS since we frequently
> have votes that are one-vote-per-account.  Our legacy system that
> we killed when we moved to Drupal had built-in IP logging every
> time a user logged in, so we could go in and check IP addresses in
> case we suspected a duplicate user.  We could also see the IP
> address someone signed up from, and match that against any recently
> logged IPs.

Aren't most of those things logged by the stat module already?
If you don't need to prevent creation of new account upfront it'd be
easy to build up a query to get a list of suspects from what's
already logged.



-- 
Ivan Sergio Borgonovo
http://www.webthatworks.it