1. CAIDA traces dataset. http://www.caida.org/home
2. DeepSight. http://enterprisesecurity.symantec.com/products/products.cfm?ProductID=158&EID=0
3. DShield.org. http://www.dshield.org
4. Packetlife repository. http://www.packetlife.net/captures
5. PCAPR collaborative network forensics. http://www.pcapr.net/forensics