Sterling Silver Widgets, a manufacturer of luxury office supplies for high-powered executives, sells its products on a Web site that receives an average of one 1000 visits per day. The company regularly receives shipments from Silver Supply, Inc., a supplier that wants to access its own shipping and receiving information in the office network as well as transmit invoices to the Sterling Silver Widgets accounting department. Sterling Silver Widgets has had problems in the past with DoS attacks. Design a perimeter setup that includes stateful packet filtering, public Web server access, a firewall-protected internal network, and VPN access to the accounting department server.