an external source but with an internal IP address. Although this does not fix the attack, it will prevent the potential attacks from reaching their targets. See also SYN flood Aircrack BackTrack Nmap Packet sniffer Snort Wireshark References External links RFC 1948, Defending Against Sequence Number Attacks, May 1996, obsoleted by RFC 6528 Steven M. Bellovin. RFC 6528, Defending against Sequence Number Attacks, February 2012 Standard Track Steven M. Bellovin A Weakness in the 4.2BSD Unix TCP/IP Software Sequence Prediction Attack Computer network security