types of firewalls in network security ppt

Tài liệu Taxonomy of Conﬂicts in Network Security Policies docx

... unawareness of policy conﬂict types and thelack of automated veriﬁcation of security policies signiﬁcantlyincrease the potential of policy inconsistency and conﬂicts thusincreasing network vulnerability.There ... to the increasing threat of network attacks, network security devices like ﬁrewalls and IPSec gate-ways have become important integrated elements not only in enterprise networks but also in small-size ... with intra- and inter-policy conﬂicts. Solid lines indicate permitted trafﬁc, while dotted lines indicate blocked trafﬁc.intersects with the corresponding ﬁeld in Ry, and at leastone ﬁeld in...

Tài liệu The Essentials of Network Security ppt

Danh mục: An ninh - Bảo mật

... periodically detect security vulnerabilities in the network, providing ongoing proactive security. In addition, professional network security consultants can be engaged to helpdesign the proper security ... data network in the world, enabling andfacilitating both personal and business communications worldwide. The volume of traffic movingover the Internet and corporate networks is expanding exponentially ... posture of a network, highlighting security weaknesses or vulnerabilities that need to be improved.Periodic assessments are helpful in ensuring that, in the midst of frequent changes in a network, ...

Tài liệu Integrating Instruments of Power and Influence in National Security pptx

Danh mục: Khoa học xã hội

... with an increasing number of complex challenges in which the effectivemeans for securing U.S. interests is requiring new forms of interaction among a variety of instruments for projecting power ... Corporation, in cooperation with the American Academy of Diplomacy (AAD), is conducting a 15-month project onIntegrating Instruments of Power and Influence in National Security, funded in part through ... PROGRAMThe American Academy of Diplomacy &The American University School of International ServiceINTEGRATING INSTRUMENTS OF POWER AND INFLUENCE IN NATIONAL SECURITY March 21, 2006American...

Bơm ECD-V - P - Types of Systems in ECD-V Series

Danh mục: Cơ khí - Chế tạo máy

... performance of the engine with the ECD-V4 has beenimproved (by atomizing the fuel into finer particles and optimizing the rise rate of the injection pressure), andproviding the injection volume and injection ... the fuel fills the injection pump, it lubricates and cools the moving parts in the injection pump. After the fuel ispressurized, it is injected into the engine cylinder by the injection nozzle. ... solenoid spill valve to controlfuel injection, enabled the control of the injection volumeon a cylinder-by-cylinder basis. Depending on the type of final injection volumecorrection and the...

Tài liệu Sybex - Active Defense Guide to Network Security pptx

Danh mục: Quản trị mạng

... responses—but not of the type that the salesperson had hoped for. Within hours of the mailing, literally tens of thousands of messages were attempting delivery into the domain. These messages contained ... serialize network devices (like network cards or networking hardware) and is a unique identifier that distinguishes it from any other networking device in the world. No two networking devices ... Justifying the Policy To justify restriction of Internet access, the policy states, “This policy is to insure the effective use of networking resources.” Again, the wording is clear and to the point....

Tài liệu Home Network Security ppt

Danh mục: An ninh - Bảo mật

... has the job of defining names of individual Control Points and of groups of Control Points. Discovery and Component Naming The first security requirement is to discover your own network components. ... home networking easy. It does not include security in the basic protocol. One can secure UPnP networks by wiring, if there is a single home domain and no wireless or power-line networking. ... comes a security drawback. By relieving the homeowner of the work of individually running network wires to each device in the home, wireless networking prevents the homeowner from selecting which...

Tài liệu Module 3: Identifying Threats to Network Security pptx

Danh mục: Quản trị mạng

... discovered. For more information about Microsoft Security Bulletins, see http://www.microsoft.com/technet /security/ bulletin/notify.asp. For the SysAdmin, Audit, Network, Security (SANS) Institute/Federal ... detecting, responding to, or preventing attacks during each of the following stages: 1. Footprint. In this stage, the attacker researches the target organization. He may obtain all public information ... resources. Security professionals must also abide by legal restrictions in terms of how they investigate attackers. Because of the difficulties in defending networks, it is essential that security...

Tài liệu Managing Cisco Network Security pptx

Danh mục: Quản trị mạng

... basis. In this environment of increasingly open and interconnected communicationsystems and networks, information security is crucial for protecting pri-vacy, ensuring availability of information ... 405Chapter 9 Security Processes and ManagingCisco Security Fast Track 407Introduction 408What Is a Managing Cisco Security Fast Track? 408Introduction to Cisco Network Security 408 Network Security ... and network security. Thechapter introduces some basic networking concepts (IP, TCP, UCP,ICMP) and discusses some of the security mechanisms available in TCP/IP. We also introduce some of the...

Tài liệu Báo cáo " Estimation and prediction of eutrophication in West Lake" ppt

Danh mục: Báo cáo khoa học

... The water quality of lakes in Hanoi has been declining. In that, eutrophycation is the most popular. One of the effective tools for its accessing and predicting is the use of mathematical models. ... species of zooplankton, 11 species of benthos and about 33 species of fish. According to Vietnam standard of water quality, the important parameters of water quality of West Lake, including: ... The results of simulation show that: eutrophication of West Lake is controllable if a sufficient amount of fish (< 5g/l) is maintained in the lake. To maintain a sufficient amount of fish,...

Tài liệu Recovery After a Breach in Network Security doc

Danh mục: An ninh - Bảo mật

... on different types of organizationsã Benchmarking lost revenue from downtimeã Monitoring the activity reports of security companies, including the frequency of different types of attacks and ... enforcement.Other white papers in the series include:ã Economic Impact of Network Security ThreatsThis white paper describes the dynamics in today’s business climate that are driving network security requirements, ... Return on Investment for Network Security. Other white papers in the series include:ã Economic Impact of Network Security ThreatsThis white paper describes the dynamics in today’s business climate...

Tài liệu The Burden of Cancer in American Adults ppt

Danh mục: Sức khỏe giới tính

... The Burden of Cancer in American Adults36Having a history of cancer does not necessarily result in current avoidance of smoking, however. The overall prevalence of current smoking is similar ... Burden of Cancer in American Adults20 The Burden of Cancer in American Adults18010 20 30 40 50 60010 20 30 40 50 The Burden of Cancer in American Adults30 The Burden of Cancer in American ... Burden of Cancer in American Adults9Mortality and survivalCancer mortality is a function of both the incidence and survivability of cancer. Cancer is the second leading cause of death in the...

Tài liệu Application of Computers in Process Control pptx

Danh mục: Điện - Điện tử

... Page 2 of 7 Tuning of a PID controller using Ziegler-Nichols Method LAB 8 Objective: 1) To demonstrate the use of PID controller using LabVIEW. 2) Finding the values of KP and ... control and instrumentation engineers in the aspect of tuning of the gains required for stability and good transient performance. There are several prescriptive rules used in PID tuning. An example ... Page 4 of 7 Changes in system’s closed loop response because of the changes in PID parameters with respect to a step input can be best described using the following chart: In LabVIEW...

The Future Of Water In African Cities pptx

Danh mục: Quản lý dự án

... of the content included in the work. The World Bank therefore does not warrant that the use of the content contained in the work will not infringe on the rights of third parties. The risk of ... cascad-ing use in African cities. In Accra, Ghana, irrigated urban vegetable pro- Africa’s Emerging Urban Water Challenges 25to industrialization; rising incomes that increase expectations of ... thousands of people each year. In addition, the groundwater table is being lowered and rainfall is declining in many regions (UNEP, 2010). Africa has a large number of shared watersheds, which increases...

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How To Set Up Wireless Network Security ppt

Danh mục: An ninh - Bảo mật

... Confirm adding this CA, press “Yes”. 10. Certificate Installed. Step 2: Access Point Configuration 1. Log into the Access Point using your WEB Browser. Open Access Point Security configuration ... versions of Windows the indexes are from 0 to 3 which are mapped to keys 1 to 4). 6. Key in your WEP Key value into Network Key” (exactly the same as the one entered on your Access Point). ... Key in your Network Key” which should be same you entered on your Access Point 8. Press “OK” to finish your workstation’s WPA-PSK settings. 6. User Certificate – Identifying Information,...

How Bad are Selﬁsh Investments in Network Security? pdf

Danh mục: An ninh - Bảo mật

... is the marginal “beneﬁt” to the security of all users by increasing xkat the NE; whereas ckis the marginal cost of increasing xk. The second term in theRHS (right-hand-side) of (2) is the ... max(i,j):i=jvirjivjrij).PLACEPHOTOHERELibin Jiang received his B.Eng. degree in ElectronicEngineering & Information Science from the Univer-sity of Science and Technology of China in 2003 andthe M.Phil. degree in Information ... Engineering fromthe Chinese University of Hong Kong in 2005, andis currently working toward the Ph.D. degree in theDepartment of Electrical Engineering & ComputerScience, University of...