Medical Definition of narcissistic personality disorder. : a personality disorder characterized especially by an exaggerated sense of self-importance, persistent need for admiration, lack of empathy for others, excessive pride in achievements, and snobbish, disdainful, or patronizing attitudes.
For the purposes of sym metry, letâs now move on to the most common variant of syn- , or sym- , which also means âtogether.â A sym phony is the sounding âtogetherâ of many instruments.
26 Chapter 1 â¢ Network Security Basics www.syngress.com This is how the process normally works. A SYN attack uses this process to ï¬ ood the system targeted with multiple SYN packets that have bad source IP addresses, which causes the system to respond with SYN/ACK messages.