Ignasi Paredes-Oliva Pere Barlet-Ros Josep Solé-Pareta Portscan Detection with Sampled NetFlow. 26-33 2009 TMA http://dx.doi.org/10.1007/978-3-642-01645-5_4 conf/networking/2009tma db/conf/networking/tma2009.html#Paredes-OlivaBS09