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Several recent proposals have argued for giving third parties and end-users control over routing in the network infrastructure. Some examples of such routing architectures include TRIAD , i3 , NIRA , Data Router , and Network Pointers . While exposing control over routing to third-parties departs from conventional network architecture, these proposals have shown that such control significantly increases the flexibility and extensibility of these networks. Using such control, hosts can achieve many functions that are difficult to achieve in the Internet today. Examples of such functions include mobility, multicast, content routing, and service composition. Another somewhat surprising application is that such control can be used by hosts to protect themselves from packet-level denial-of-service (DOS) attacks , since, at the extreme, these hosts can remove the forwarding state that malicious hosts use to forward packets to the hosts. While each of these specific functions can be achieved using a specific mechanism—for example, mobile IP allows host mobility— we believe that these forwarding infrastructures (FIs) provide architectural simplicity and uniform 10 forwarding entries enables functions like mobility and multicast that are hard to achieve using source-routing alone. While there seems to be a general agreement over the potential benefits of usercontrolled routing architectures, the security vulnerabilities that they introduce has been one of the important concerns that has been not addressed fully. The flexibility that the FIs provide allows malicious entities to attack both the FI as well as hosts connected to the FI. For instance, consider i3 , an indirection-based FI which allows hosts to insert forwarding entries of the form (id,R), so that all packets addressed to id are forwarded to R. An attacker A can eavesdrop or subvert the traffic directed to a victim V by inserting a forwarding entry (idV ,A); the attacker can eavesdrop even when it does not have access to the physical links carrying the victim’s traffic. Alternatively, consider an FI that provides multicast; an attacker can use such an FI to amplify a flooding attack by replicating a packet several times and directing all the replicas to a victim. These vulnerabilities should come as no surprise; in general, the greater the flexibility of the infrastructure, the harder it is to make it secure. In this project, we improve the security that flexible communication infrastructures which provide a diverse set of operations (such as packet replication) allow. Our main goal in this project is to show that FIs are no more vulnerable than traditional communication networks (such as IP networks) that do not export control on forwarding. To this end, we present several mechanisms that make these FIs achieve certain specific security properties, yet retain the essential features and efficiency of their original design. Our main defense technique, which is based on light-weight cryptographic constraints on forwarding entries, prevents several attacks including eavesdropping, loops, and traffic amplification. From earlier work, we leverage some techniques, such as challenge-responses and erasure-coding, to thwart other attacks. NETWORK SECURITY (NS) is an important aspect of any system. NETWORK SECURITY is the act of ensuring that an authenticated user accesses only what they are authorized to and no more. The bad news is that security is rarely at the top of people's lists, although mention terms such as data confidentiality, sensitivity, and ownership and they quickly become interested. The good news is that there is a wide range of techniques that you can apply to help secure access to your system. The bad news is that as Mitnick and Simon (2002) point out ―…the human factor is the weakest link. Security is too often merely an illusion, an illusion sometimes made even worse when gullibility, naivette, or ignorance come into play.‖ The go on to say that ―security is not a technology problem – it’s a people and management problem.‖ Having said that, my experience is that the ―technology factor‖ and the ―people factor‖ go hand in hand; you need to address both issues to succeed.
Access control is the ability to permit or deny the use of a particular resource by a particular entity. Access control mechanisms can be used in managing physical resources (such as a movie theater, to which only ticket holders should be admitted), logical resources (a bank account, with a limited number of people authorized to make a withdrawal), or digital resources (for example, a private text document on a computer, which only certain users should be able to read). Banks are secured financial institutions. They are often housed in large buildings that are located in a commercial or residential area. Banks store money and other financial information and goods. Money and valuables have been stored in banks since ancient times. As a result of the long history that banks have enjoyed, bank security has also been important for a long time. Some of the oldest banks in the world have the best security available. These banks include the Bank of Sweden, the Bank or England, Bank of America, and Swiss Banking. Bank security usually includes a staff of security guards, a security system, and one or more vaults. Security guards are uniformed personnel that maintain high visibility and watch cameras and alarms. Cameras and alarms are usually top of the line systems in banks and other financial buildings. But these security elements are not exclusive to banks. Some of these elements can be found in other commercial buildings and even residential homes. Basic security starts with the locks. For a high level of security, windows and doors will need the best locks. After high quality locks are installed many property owners opt for a security system or even security cameras. Security cameras are often a small part of a larger security system. Systems often include motion detectors, alarms, sensors, and cameras. Cameras are arguably the most important because they allow the property owner to see and record everything that happens in and around their building or property. Cameras can be installed by a professional or by a property owner. For a large and elaborate system it may be best for a professional to do the work. But for a smaller and easy layout, a property owner should have no problem installing a system by following the manufactures instructions. If he does than there is usually a local installer that can be called to help finish the job.
1.1 STATEMENT OF THE PROBLEM
1. Fraudulent act of some customer/workers
2. Accessing the organizational data/information unauthorized
3. Sensitive nature of bank data/information
4. Valuable or costly items in bank
5. Increase in crime in our society The need arise for the development of computerized NETWORK SECURITY to eliminate such problems.
1.2 PURPOSE OF STUDY
The main purpose of this project is to design a NETWORK SECURITY that will assist UBA in the area of ensuring effective security measures.
1.3 AIMS AND OBJECTIVES
This project will have the following aims and objectives: Detecting security violations Re-creating security incidents
To disallow unauthorized users To safeguard the organizational data/information
To computerized the organizational security To enhance the organizational security
To eliminate all forms of mistakes associated with security control
1.4 SCOPE OF STUDY
This research work will access the design and implementation of NETWORK SECURITY in UBA Enugu. It will look into the operations of this bank in the aspect of computerizing their security control system.
This project will be limited to the data available at hand, data outside the researcher will not be made use of. The limitations militating against this research are financial constraints, time factor and other circumstances.
Accuracy, efficiency and reliability is associated with Network Security. For the purpose of this research, my assumptions can be stated as follows:
1. The application of computer related garget for security control
2. A computerized Network Security is effective and dependable
1.7 DEFINITION OF TERMS
Administration is an aspect of running the organization by devising systems which will run smoothly.
2. Client: This any process that request specific services from server processes.
3. Computer: This is an electrons machine that can accept; handle and manipulate data by performing arithmetic and logic operations without human intervention usually under the control of programmes.
4. Data: This is fore runner of information. It is unprocessed fact.
5. Database is a collection of information that is related to a particular subject or purpose.
6. Hardware: This is the electromechanical part of computer system.
7. Information: This is data that have been processed, interpreted and understood by the recipient of the message or report.
8. Internet is a collection of computer networks that operate to common standards and enable the computes and the program they run to communicate directly.
9. Server: This is a process that provides requested services for clients.
10. Software: This is a logically written program that hardware uses to perform it’s operation.
11. System is the collection of hardware, software, data information, procedures and people.
12. Website is a space or location customized by a company, organization or an individual which is locatable within an address on the internet.
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