SECURITY DESIGN FOR MULTI-PERIMETER NETWORKS

The rapid expansion of Internet brings a new concern regarding networks security for worldwide companies. In fact the information and tools able to penetrate a company or private network is available on many dedicates sites on the Internet. A network security policy is concentrated on controlling the network traffic and usage. It identifies a network’s resources and threats, defines network use and responsibilities, and details action plans for when the security policy is violated. When a network security policy is realized it must be strategically enforced at strategic boundaries within your network. These defensible boundaries are named perimeter networks. Each network can contain multiple perimeter networks. An Information Security Officer (ISO), as a network administrator, must constantly try to keep abreast of the large number of security issues confronting him in today’s world. This article describes many of the security issues that arise when design a connection to the Internet for a private network