Guide to network defense and countermeasures

"Guide to Network Defense and Countermeasures provides a thorough guide to perimeter defense fundamentals, including intrusion detection and firewalls. This trusted text also covers more advanced topics such as security policies, network address translation (NAT), packet filtering and analysis, proxy servers, virtual private networks (VPN), and network traffic signatures. Thoroughly updated, the new third edition reflects the latest technology, trends, and techniques including virtualization, VMware, IPv6, and ICMPv6 structure, making it easier for current and aspiring professionals to stay on the cutting edge and one step ahead of potential security threats. A clear writing style and numerous screenshots and illustrations make even complex technical material easier to understand, while tips, activities, and projects throughout the text allow readers to hone their skills by applying what they learn. Perfect for students and professionals alike in this high-demand, fast-growing field, Guide to Network Defense and Countermeasures, Third Edition, is a must-have resource for success as a network security professional" --Back cover.

Includes index.

Machine generated contents note: ch. 1 Network Security Fundamentals -- Examining Network Security Fundamentals -- Threats to Network Security -- Common Attacks and Defenses -- Goals of Network Security -- Using a Layered Defense Strategy: Defense in Depth -- Physical Security -- Authentication and Password Security -- Operating System Security -- Antivirus Protection -- Packet Filtering -- Firewalls -- Demilitarized Zone (DMZ) -- Intrusion Detection and Prevention System (IDPS) -- Virtual Private Networks (VPNs) -- Network Auditing and Log Files -- Routing and Access Control Methods -- The Impact of Defense -- Chapter Summary -- Key Terms -- Review Questions -- Hands-On Projects -- Case Projects -- ch. 2 TCP/IP -- The OSI Model and TCP/IP Protocols -- The OSI Model -- TCP/IP Addressing -- Address Classes -- Private IP Address Ranges -- Subnetting -- Variable Length Subnet Masking -- Classless Interdomain Routing -- Unicasting, Multicasting, and Broadcasting -- Examining Internet Protocol Version 4 (IPv4) -- IP Datagrams -- IP Header Structure -- ICMP Messages -- TCP Headers -- UDP Headers -- Packet Fragmentation -- The TCP Life Cycle and the TCP Three-Way Handshake -- Domain Name…