Denial of service when an attacker sends many SYN packets to create multiple connections without ever sending an ACK to complete the connection, aka SYN flood.Referenceshttp://sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=coll&doc=secbull/136ftp://patches.sgi.com/support/free/security/advisories/19961202-01-PX
