Security mechanism

IPSec không phải là một ứng dụng hòan tòan mới mà là sự tổ hợp của các cơ chế bảo mật (security mechanisms) đã có sẵn vào trong giao thức IP.

44p sakuraphuong 23-05-2013 120 24   Download

Lecture Operating System: Chapter 09 - Security presented The security environment, Basics of cryptography, User authentication, Attacks from inside the system, Attacks from outside the system, Protection mechanisms, Trusted systems.

56p talata_1 22-09-2014 90 7   Download

Bài giảng "SQL Server 2008 - Chương 11: Bảo mật và phân quyền" trình bày các nội dung: Security mechanisms, kế hoạch phân quyền và bảo mật, quản trị người dùng, kiểm soát truy cập tùy ý, mã hóa,... Mời các bạn cùng tham khảo nội dung chi tiết.

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The organisation of the thesis will follow a seven-chapter structure. The researcher will use the term thesis as used by Perry (1994) to describe the entire work, while the related terms research and study will be used interchangeably when referring to the research undertaken in the thesis. This thesis could make a significant contribution to the social control literature by addressing these shortcomings and identifying and examining the formal and informal mechanisms used conjointly by the government and its agencies to control social security expenditures and also social outcomes.

350p runthenight04 02-02-2023 7 2   Download

Objectives of Chapter 1: To define three security goals; to define security attacks that threaten security goals; to define security services and how they are related to the three security goals; to define security mechanisms to provide security services; to introduce two techniques, cryptography and steganography, to implement security mechanisms

4p levuphongqn 18-08-2015 78 2   Download

An integrated collection of tools for network monitoring and control. Single operator interface Minimal amount of separate equipment. Software and network communications capability built into the existing equipment SNMP key elements: Management station Managament agent Management information base Network Management protocol Get, Set and Notify

20p muathu_102 28-01-2013 73 3   Download

Security Attack: Any action that compromises the security of information. Security Mechanism: A mechanism that is designed to detect, prevent, or recover from a security attack. Security Service: A service that enhances the security of data processing systems and information transfers. A security service makes use of one or more security mechanisms.

14p muathu_102 28-01-2013 79 6   Download

Users and Security Security domain The database administrator defines the names of the users who are allowed to access a database. A security domain defines the settings that apply to the user. Authentication mechanism A user who requires access to the database can be authenticated by one of the following: Data dictionary Operating system Network The means of authentication is specified at the time the user is defined in the database and can be altered later. This lesson covers authentication by database and by operating system only.

20p trinh02 28-01-2013 82 3   Download

Biggest problem is figuring out who a piece of mail is really from Must use a higher level mechanism for trust or privacy Most SMTP clients use sendmail which has been a constant source of security problems for years

15p muathu_102 28-01-2013 40 2   Download

Security Service – a service provided by a protocol layer of communicating open systems, which ensures adequate security of the systems or of data transfers RFC 2828 – a processing or communication service that is provided by a system to give a specific kind of protection to system resources; security services implement security policies and are implemented bt security mechanisms.

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Used to communicate IP status and error messages between hosts and routers Uses IP to route its messages between hosts Must be implemented with IP remember, IP is just a packet delivery system transmits and routes datagrams from sources to destinations through a series of interconnected networks it has a checksum in the IP header to detect lost bits no error detection on the datagram payload though but has no native mechanism for source host notification This is where ICMP comes in its used to report IP errors to the source host ICMP data is carried as the payload of an IP datagram specifie...

19p muathu_102 28-01-2013 53 3   Download

Web now widely used by business, government, individuals but Internet & Web are vulnerable have a variety of threats integrity confidentiality denial of service authentication need added security mechanisms

14p doilan 26-01-2013 52 3   Download

According to the traditional definition, network security comprises integrity, confidentiality, and availability. Message integrity ensures that if an unauthorized party modifies a message between the sender and the receiver, the receiver is able to detect this modification. In addition to message integrity, integrity mechanisms always provide some type of proof of data origin. Knowing that a message has not been modified without knowing who initially created the message would be useless. ...

16p 0984272663 27-04-2011 117 8   Download