merkow ppt 12-JRM

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

Virtual Private Networks (VPNs) cont. � IPsec cont. � Security Association (SA) � AH and ESP require a number of parameters that both senders and receivers must agree on � An SA is used to manage these parameters � An SA is a secure “connection” between two end-points that applies a security policy and keys to protect information � An SA is uniquely identified by the combination of three fields: IP destination address, security protocol identifier (AH or ESP), and security parameter index (SPI) © Pearson Education Information Security: Principles and Practices 38
Virtual Private Networks (VPNs) cont. � IPsec cont. � Security Policies � The security policy database (SPD) is used for decision making on each packet of traffic � The database contains an ordered list of rules that define which IP packets within the network will be affected by the rule � The database enforces the scrutiny or transformation by the IPSec gateway server(s) © Pearson Education Information Security: Principles and Practices 39
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 and 18: Basic Security Infrastructures cont
Page 19 and 20: Firewalls � Firewalls typically r
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: Virtual Private Networks (VPNs) con
Page 41: Summary � The Telecommunications,

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