Luciano Paschoal Gaspary Cristina Melchiors Fábio Elias Locatelli Fabiane Dillenburg Identification of Intrustion Scenarios through Classification, Characterization and Analysis of Firewall Events. 327-334 2004 conf/lcn/2004 LCN http://doi.ieeecomputersociety.org/10.1109/LCN.2004.65 db/conf/lcn/lcn2004.html#GasparyMLD04