ip network and traffic plane security fundamentals

... Smart Router and 8660 SmartRouter) 8600 Smart Routers IP Forwarding and TrafficManagement Configuration Guide(76.8600-50122) Provides an overview of 8600 NEs IP, forwarding and trafficmanagement ... [RFC826] is a network-specific protocol used for mapping an IP address into a physical network address (MAC address in case of Ethernet networks) IP trafficforwarding through Ethernet networks requires ... VRF • A.B.C.D/M is the IP address and network mask specifying the destination network • interface an interface into which traffic is routed • gateway-ip specifies the IP gateway address Trang...

Ngày tải lên: 16/11/2017, 11:45

... Double Shot Security and the author of “Designing Network Security”   APNIC acknowledges her contribution and support with appreciation and thanks Trang 5Network Security Basics Trang 6Why Security? ... Security Issues, Threats and Attacks   Cryptography and Public Key Infrastructure   Security on Different Layers   Layer 2 and BGP Security   Server and Operational Security Trang 4Acknowledgements ... Trang 1Internet and Network Security Fundamentals Trang 2Presenters   Champika Wijayatunga Training Manager, APNIC champika@apnic.net Trang 3Overview   Network Security Basics   Security Issues,...

Ngày tải lên: 28/03/2014, 20:20

... 1Chapter 11: Policies and Procedures Security+ Guide to Network Security Fundamentals Second Edition Trang 2• Define the security policy cycle • Explain risk identification • Design a security policy ... identification • Design a security policy • Define types of security policies • Define compliance monitoring and evaluation Trang 3Understanding the Security Policy Cycle • First part of the cycle is ... policy – Disposal and destruction policy – Service-level agreement Trang 29Types of Security Policies (continued) Trang 30Types of Security Policies (continued) Trang 31Types of Security Policies...

Ngày tải lên: 30/01/2020, 12:05

... Trang 1Chapter 9: Using and Managing Keys Security+ Guide to Network Security Fundamentals Second Edition Trang 2• Explain cryptography strengths and vulnerabilities • Define public ... Strengths and Weaknesses• Identical keys are used to both encrypt and decrypt the message • Popular symmetric cipher algorithms include Data Encryption Standard, Triple Data Encryption Standard, ... renews, and revokes certificates – Provides related network services and security • Typically consists of one or more CA servers and digital certificates that automate several tasks Trang 14PKI Standards...

Ngày tải lên: 30/01/2020, 12:10

... Trang 1Chapter 2: Attackers and Their Attacks Security+ Guide to Network Security Fundamentals Second Edition Trang 2• Develop attacker profiles • Describe ... Script Kiddies Trang 8• Person hired to break into a computer and steal Trang 9• One of the largest information security threats to Trang 10• Experts fear terrorists will attack the network and ... disinformation and propaganda – Deny service to legitimate computer users – Commit unauthorized intrusions into systems and networks that result in critical infrastructure outages and corruption...

Ngày tải lên: 30/01/2020, 12:27

... Advanced Security and Beyond Security+ Guide to Network Security Fundamentals Second Edition Trang 2• Define computer forensics • Respond to a computer forensics incident • Harden security through ... on pages 457 and 458 of the text • Defenders are responding to the increase in the level and number of attacks • New techniques and security devices are helping to defend networks and systems ... Protocol/Internet Protocol (TCP/IP) • Understanding TCP/IP concepts helps effectively troubleshoot computer network problems and diagnose possible anomalous behavior on a network Trang 21• Firewalls...

Ngày tải lên: 30/01/2020, 13:16

... 3AT&T Wireless IP Network SecurityContents 1 Introduction 4 1.1 The Need For Security 4 1.2 Defining and Implementing an Effective Security Policy 5 2 AT&T Wireless IP Network Security Overview ... Wireless IP network connects to other networks, such as customer networks and the Internet It is also important to consider how the AT&T Wireless IP network interconnects with wireless IPnetworks ... “External Network Interface”and “Internet Interface.” Trang 82.2 Network InterfacesTo understand AT&T Wireless IP network security, we must next examine the key interfaces of theoverall network...

Ngày tải lên: 22/03/2014, 15:21

... Trang 23IPv4 and IPv6• IPv6 uses 128 bits rather than the 32 bits • Provides 640 sextrillion addresses • IPv6 addresses are 128 bits long, written in hexadecimal form, and separated by colons IPv6 ... Task Force (IETF) IPng is now known as IPv6. Trang 3The TCP/IP model has four layers: The Application layer, Transport layer, Internet layer, and Network Access layer. TCP/IP Model Trang 44 Version ... Trang 1Module 9TCP/IP Protocol and IP Addressing Trang 22 Version 3.0History of TCP/IP • The U.S Department of Defense (DoD) created the TCP/IP reference model because it wanted a network that could...

Ngày tải lên: 27/06/2014, 19:20

... packaged for the next layer TCP/IP Stack Trang 7provides for network communications.TCP/IP Stack (Cont.) Trang 8datagrams from any network on the internetwork and have them arrive at the destination, ... 21 TCP/IP Architectural Model Trang 22Internet Protocol Characteristics Operates at network layer of OSI or TCP/IP Trang 23IP HeaderInternet Protocol Characteristics Trang 24Page 24 IP Network ... Trang 24Page 24 IP Network Addressing Network.Host  They uniquely identify each device on an IP network  Every host (computer, networking device, peripheral) must have a unique address. Internet...

Ngày tải lên: 16/07/2014, 21:13

... issues of multiclass traffic across a Wideband Code Division Multiple Access (WCDMA) mobile network and a wireline Differentiated Services (DiffServ) Internet Protocol (IP) network, and focus on end-to-end ... two parts: traffic management and resource allocation Traffic management involves the regulation of the flow traffic through the network such as traffic conditioning at the edge router and congestion ... groups: Circuit-Switched networks (e.g., PSTN and ISDN) and Packet-Switched networks (e.g., Internet or DiffServ IP network) The UMTS system consists of a number of logical network elements, each...

Ngày tải lên: 05/10/2015, 21:23

... United States Security+ Guide to Network Security Fundamentals Third Edition Trang 2Security+ Guide to Network SecurityFundamentals, Third Edition Mark Ciampa Vice President, Career and Professional ... viiHost and Network Intrusion Prevention Systems (HIPS/NIPS) 172 Integrated Network Security Hardware 174 IEEE 802.11 Wireless Security Protections 191 Vulnerabilities of IEEE 802.11 Security ... tems It examines computer security defense mechanisms, and offers practical tools, tips, and sys-techniques to counter attackers Security + Guide to Network Security Fundamentals, Third Edition...

Ngày tải lên: 27/05/2018, 21:07

... type of IP address exists, and how long is its addresses? IPv6, 128 bits The Internet Test Your Understanding 4 a) Is the Internet a single network? Explain The Internet is not a single network ... specific user equipment and network conditions d) How does Netflix use AWS? For transcoding, selecting the best transcoded version for a particular user and set of network conditions, and personalized ... is the name and number of the second-lowest network standards layer? Data link layer, Layer 2 d) At which layers are standards defined for single-network technologies? Layers 1 and 2 e) At...

Ngày tải lên: 08/11/2019, 14:53

... – Stream cipher (such as a substitution cipher) – Block cipher • Substitution ciphers substitute one letter or character for another – Also known as a monoalphabetic substitution cipher – Can ... The blocks can be randomized for additional security Trang 22Data Encryption Standard (DES)• One of the most popular symmetric cryptography algorithms • DES is a block cipher and encrypts data ... Trang 1Chapter 8: Scrambling Through Cryptography Security+ Guide to Network Security Fundamentals Second Edition Trang 2• Define cryptography • Secure with cryptography...

Ngày tải lên: 30/01/2020, 10:49

... 1Chapter 4: Security BaselinesSecurity+ Guide to Network Security Fundamentals Second Edition Trang 2• Disable nonessential systems • Harden operating systems • Harden applications • Harden networks ... (UDP) provides for a connectionless TCP/IP transfer • TCP and UDP are based on port numbers • Socket: combination of an IP address and a port number – The IP address is separated from the port ... each other by transmitting all domains and IP addresses of which they are aware (zone transfer) Trang 27Hardening Servers (continued)Trang 28• IP addresses and other information can be used in...

Ngày tải lên: 30/01/2020, 11:53

... (continued)Trang 23IP Security (IPSec)• Different security tools function at different layers of the Open System Interconnection (OSI) model • Secure/Multipurpose Internet Mail Extensions (S/MIME) and Pretty ... outside a building and connect to the network – Attackers can capture and view transmitted data – Employees in the office can install personal wireless equipment and defeat perimeter security measures ... applications, users, and software • Provides three areas of protection that correspond to three IPSec protocols: – Authentication – Confidentiality – Key management Trang 26IP Security (IPSec) (continued)•...

Ngày tải lên: 30/01/2020, 12:12

... Information Security Fundamentals Security+ Guide to Network Security Fundamentals Second Edition Trang 2Objectives • Identify the challenges for information security • Define information security ... corporate security plans and policies, provides education and awareness, and communicates with executive management about security issues – Security engineer designs, builds, and tests security ... exams vendor-• The CompTIA Security+ certification tests for mastery in security concepts and practices Trang 22• The Security+ exam is designed to cover a broad range of security topics categorized...

Ngày tải lên: 30/01/2020, 12:20

... Trang 1Chapter 10: Operational SecuritySecurity+ Guide to Network Security Fundamentals Second Edition Trang 2• Harden physical security with access controls • Minimize social ... recovery Trang 3Hardening Physical Security with Access Controls • Adequate physical security is one of the first lines of defense against attacks • Protects equipment and the infrastructure itself ... business to continue computer and network operations to maintain business continuity • A cold site provides office space but customer must provide and install all equipment needed to continue operations...

Ngày tải lên: 30/01/2020, 12:39

... Trang 1Chapter 12: Security ManagementSecurity+ Guide to Network Security Fundamentals Second Edition Trang 2• Define identity management • Harden ... effective training and education Trang 3Understanding Identity Management• Identity management attempts to address problems and security vulnerabilities associated with users identifying and authenticating ... to a network or system and access multiple applications and systems based on that single password • Password synchronization also permits a user to use a single password to log on to multiple...

Ngày tải lên: 30/01/2020, 12:41

... capabilities • Other security concerns remain: – JavaScript programs can capture and send user information without the user’s knowledge or authorization – JavaScript security is handled by restrictions ... Trang 24JavaScript (continued)• Several defense mechanisms prevent JavaScript programs from causing serious harm: – JavaScript does not support certain capabilities – JavaScript has no networking ... Trang 1Chapter 6: Web SecuritySecurity+ Guide to Network Security Fundamentals Second Edition Trang 2• Protect e-mail systems • List World...

Ngày tải lên: 30/01/2020, 12:46

... type of IP address exists, and how long is its addresses? IPv6, 128 bits The Internet Test Your Understanding 4 a) Is the Internet a single network? Explain The Internet is not a single network ... specific user equipment and network conditions d) How does Netflix use AWS? For transcoding, selecting the best transcoded version for a particular user and set of network conditions, and personalized ... is the name and number of the second-lowest network standards layer? Data link layer, Layer 2 d) At which layers are standards defined for single-network technologies? Layers 1 and 2 e) At...

Ngày tải lên: 31/01/2020, 14:43