merkow ppt 12-JRM

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$Distance Education Math 120 Syllabus - College of Southern Nevada$

Basic Security Infrastructures cont. � Limitations of Packet-Filtering Routers � Defining packet filters can be a complex task � The filtering rule set can become complicated, increasing in difficulty to manage and comprehend � There are few testing facilities to verify the correctness of the filtering rules � The packet throughput of a router decreases as the number of filters increase � It is not capable of understanding the context/data of a particular service © Pearson Education Information Security: Principles and Practices 18
Firewalls � Firewalls typically run monitoring software to detect and thwart external attacks on the site and protect the internal corporate network � Firewalls are an essential device for network security � Many of the architectures needed for security rely on one or more firewalls within an intelligent design © Pearson Education Information Security: Principles and Practices 19
Page 1 and 2: Information Security Principles and
Page 3 and 4: Network Security in Context � Con
Page 5 and 6: OSI Reference Model cont. © Pearso
Page 7 and 8: OSI Reference Model and TCP/IP cont
Page 9 and 10: OSI Reference Model and TCP/IP cont
Page 11 and 12: OSI Model and Security � Security
Page 13 and 14: Data Network Types cont. � Intern
Page 15 and 16: Basic Security Infrastructures cont
Page 17: Basic Security Infrastructures cont
Page 21 and 22: Firewalls cont. � Bastion Hosts
Page 23 and 24: Firewalls cont. � Limitations of
Page 25 and 26: Application-Level Gateway Firewall
Page 27 and 28: Screened Host Firewall System (Sing
Page 29 and 30: Screened-Subnet Firewall System ©
Page 31 and 32: Intrusion Detection Systems (IDS) -
Page 33 and 34: Intrusion Detection Systems (IDS) c
Page 35 and 36: Virtual Private Networks (VPNs) �
Page 37 and 38: Virtual Private Networks (VPNs) con
Page 39 and 40: Virtual Private Networks (VPNs) con
Page 41: Summary � The Telecommunications,

merkow ppt 12-JRM

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