ocr: WORLDIWDE FIREWALL SHIPMENTS, 1995-2000 1,500.000 1,400000 1200,000 3.000,0001 800,000: 800,000 400,000 2001000 1995 1990 1997 1998 1999 2000 3040X0C40300310841 copoaton 1080 Figure 1.As. compames rake advantage of internet services ad require extra security 10 protect their network resources from attack, IDC, predicts the number offirewalls sold will. skyrocket to 1.5 million in just four years.