On Jun 29, 2011, at 12:05 AM, duane.larson at gmail.com wrote: > I wouldn't even reply back with a "403 - Access Denied". If you do that then you just told whoever that you exist and you are SIP > So? I would reply 200, so that it believes it has guessed right and will stop the flood. :-) -- Saúl Ibarra Corretgé AG Projects