Download Mission Critical Internet Security by Bradley Dunsmore PDF

By Bradley Dunsmore

Bring up safeguard on an IP Network

Continuing the ''Mission Critical'' sequence, this e-book offers the most important insurance of community defense issues that IT pros cannot find the money for to be with out. some time past 12 months numerous web outlets, together with were hacked into and placed out of carrier. Even large-scale firm networks the place protection is at a intended high-level are in danger. as a result of raise in community assaults, the necessity for info on community defense is at an all-time high.

Mission Critical(tm) Internetworking defense makes a speciality of net Protocol, or IP protection. IP applied sciences are the basis of the net and figuring out their linked safety hazards is essential for IT execs. This e-book exhibits readers easy methods to bring up safety on IP networks and what to do while protection is threatened.

* Discusses the stairs to be taken whilst an IP community is compromised
* distinct assurance comprises details on Lucent and Cisco items, together with RADIUS and ComOS.
* Written by means of Vinton Cerf, senior vice chairman at MCI, and observed via many because the ''Father of the Internet''

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This central site will have a mix of private servers, public servers, printers, workstations, and network equipment. The design of the network and the provision of services must be flexible to meet with changing needs and priorities of the organization. Before the advent of VPN technology, remote connections were usually through expensive dedicated lines, or smaller organizations may have used on-demand connection technologies such as dial-up over Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN).

2 Typical site scenarios. com 11 115_MC_intsec_01 12 12/12/00 3:04 PM Page 12 Chapter 1 • Securing Your Internetwork The headquarters is a source of information vital to the operation of the organization. It also needs to collect data from all parts of the organization to conduct business, manage resources, and monitor the status of its business environment. This central site must accommodate many types of connections. It may use multiple wide area network (WAN) technologies to connect to branch offices or business partners.

Com 115_MC_intsec_01 12/12/00 3:04 PM Page 17 Securing Your Internetwork • Chapter 1 Cisco is one vendor that makes many network products designed for high availability. These devices are characterized by long mean time between failure (MTBF) with redundant power supplies, and hot-swappable cards or modules. 999 percent availability would have about five minutes of unscheduled downtime per year. Availability of individual devices can be enhanced by their configuration. Using features such as redundant uplinks with Hot Standby Router Protocol (HSRP), fast convergent Spanning Tree, or Fast Ether Channel provides a failover if one link should fail.

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