Windows 2003 Authentication
... cho người khác biết. Cả 2 khóa này đều được lưu trữ trên smartcard. TASK 3B-1 Configuring NTLMv2 Authentication Cài Đặt: Đăng nhập vào Windows 2003 với Administrator và mở Custom_GPO 1. Vào Windows ... Setting,mở Local Policies,và chọn Security Options 2. Nhấp đôi vào Network Security LAN Manager Authentication Level. 3. Từ Local Policy Setting kéo xuống,chọn Send NTLMv2 Response Only,và click ... nhiệm vụ sau,bạn có thể quay lại các câu trả lời để thiết lập LM và NTLM. Topic 3B Windows 2003 Authentication Mặc dù được cải tiến và nâng cấp nhiều thành phần, Windows 2003 vẫn bắt buộc người...
Ngày tải lên: 14/09/2012, 09:55
Authentication
... WHAT IS AUTHENTICATION? Identification – Dấu hiệu, công cụ nhận dạng, nhận biết. Quá trình kiểm tra dấu hiệu nhận biết gọi là xác thực Authentication. 3 Categories: What you know What you have Who you are KERBEROS TICKETS Clients share secret symmetric key with server Clients login to authentication server Server returns a TicketGranting Ticket (TGT) encrypted with client’s key Client sends decrypted TGT to Ticket Granting Service TGS sends ticket authorizing network access and certain services Session ticket data: Name Network address Time stamp Expiration dates Session key ETOKEN May store credentials such as passwords, digital signatures and certificates, and private keys Can offer onboard authentication and digital signing FINGERPRINT SCANNERS HP ... Org RFID 13.56Mhz read/write support May communicate with a variety of transponders (ISO15693, ISO14443 Type A & B, TagIt, Icode, etc.) Reader is controlled via PCMCIA interface using an ASCII protocol BIBLIOGRAPHY Authentication L. O’Gorman, “Comparing Passwords, Tokens, and Biometrics for User Authentication, ” Proc. IEEE, Vol. 91, No. 12, Dec. 2003, pp. 20192040. Kerberos http://www.computerworld.com/computerworld/records/images/pdf/kerberos_chart.pdf CS453 class slides ĐỘ AN TOÀN CỦA PASSWORD Alphabet Recommend Độ dài không nhỏ hơn 8 Tổ hợp chữ hoa, chữ thường, số, các ký tự đặc biệt Các phương pháp tấn công Từ điển Lựa chọn Vét cạn MOTIVATION Realworld considerations: What you know and what you have Can be stolen or forgotten Susceptible to replay (bắt chước) attacks Who you are Unique biometrics that hinder replay attacks and imposters Privacy issues arise TRUST LEVEL EXTENSION Different trust levels for devices with different levels of implementation reliability Still very abstract and should be further developed definition representation storage exchange verification translation across trust domains BIOMETRIC AUTHENTICATION TERMS False Acceptance Rate (FAR) False Match Rate (FMR) Percentage of access attempts by unauthorized individuals which are nevertheless successful False Rejection Rate (FRR) False NonMatch Rate (FNMR) Percentage of access attempts by enrolled individuals who are nevertheless rejected Equal Error Rate FAR = FRR CUSTOM SECURITY TOKENS May contain additional context information: Access method (phương pháp truy cập) wired, local terminal wired remote terminal wireless PDA Authentication method (phương pháp chứng thực) Password eToken Fingerprint Trust level (mức bảo mật) LOCAL FEATURES Also known as minutia points Used for positive identification Two or more individuals may have the same global features, but different minutia Minutia points do not have to be inside the pattern area WHAT YOU KNOW Password Passphrase PIN (Personal Identification Number) Challenge/Response USER MANAGEMENT Authentication Xác nhận người sử dụng Authorization Kiểm soát quyền của người sử dụng Accounting Theo dõi thống kê hành động ALGORITHMS Imagebased Patternbased Minutiabased MINUTIA CHARACTERISTICS Orientation The direction the minutia is facing Spatial frequency How far apart the ridges are around the point Curvature Rate of change of orientation Position X,Y location relative to some fixed points ... WHAT IS AUTHENTICATION? Identification – Dấu hiệu, công cụ nhận dạng, nhận biết. Quá trình kiểm tra dấu hiệu nhận biết gọi là xác thực Authentication. 3 Categories: What you know What you have Who you are KERBEROS TICKETS Clients share secret symmetric key with server Clients login to authentication server Server returns a TicketGranting Ticket (TGT) encrypted with client’s key Client sends decrypted TGT to Ticket Granting Service TGS sends ticket authorizing network access and certain services Session ticket data: Name Network address Time stamp Expiration dates Session key ETOKEN May store credentials such as passwords, digital signatures and certificates, and private keys Can offer onboard authentication and digital signing FINGERPRINT SCANNERS HP IPAQDigital Persona U.are.U Pro IBM...
Ngày tải lên: 17/09/2012, 10:44
... heart failure patients with normal QRS duration. By characterizing mechanical interventricular dyssynchrony, which was commonly found to be associated with intra-LV dyssynchrony in heart failure ... a common characteristic of heart failure patients which can be explained by the high prevalence of mechanical dyssynchrony. Key words: diastolic time, heart failure, left bundle branch block, ... Since both, a reduced myocar- dial perfusion reserve and diastolic heart failure, are an integral part of systolic heart failure any abnormal shortening of diastolic time, particularly during...
Ngày tải lên: 05/11/2012, 11:32
Giới thiệu về Generic
... biên dịch sẽ thông báo lỗi. Generic Class Dưới đây tôi xin giới thiệu cách khai báo cũng như sử dụng các lớp Generic Kiểu tham số Nhìn chung Generic class chỉ là một lớp ... kiểu tham số của Generic Class có thể đáp ứng như một PlaceHolders mà được thay thế bởi kiểu dữ liệu thực khi một Generic class được xây dựng. GIỚI THIỆU VỀ GENERIC TRONG .NET ... dựng. GIỚI THIỆU VỀ GENERIC TRONG .NET 2.0 07/11/2007 08:30 AM Generic là một tính năng mới khá thú vị của .net 2.0. Vậy Generic là gi? sử dụng chúng như thế nào? Tại bài viết...
Ngày tải lên: 14/11/2012, 17:18
OTP/PKI Authentication Internet Banking
... lý ****** • 1 Server xác thực (Authentication Services) • 1 Server cơ sở dữ liệu hệ thống xác thực (Database Server Authentication) • 1 Server hệ thống quản trị (Authentication Portal Server) ****** www.tomica.vn ... chữ ký số (PKI Authentication) OTP SMS OTP TOKEN GRID CARD DIGITAL SIGNATURE USERNAME / PASSWORD VIRTUAL KEYBOARD www.tomica.vn Sơ đồ kế nối với Core Banking • Authentication DB • Authentication ... thành xác thực hai nhân tố (two factor authentication) • Chống lại tấn công attack-relay • Mã ePoch theo thời gian www.tomica.vn Authentication Server • Authentication Server là server thực hiện...
Ngày tải lên: 21/03/2013, 15:36
... in Ha Noi and 10 in Hai Phong). 3 III EXECUTIVE SUMMARY This report provides an analysis on the failure of Logistics Department-Ha Noi Branch of Vinalink International Freight Forwarders in terms ... Departments. This situation is the result of inefficient logistics management. Its management failures are shown the most clearly in two of its revenue generating sources: warehouse and freight ... BUSINESS DEPARTMENT FACULTY OF FOREIGN LANGUAGES ¬ LE THI THUY LINH INTERNSHIP report Topic: FAILURES IN LOGISTICS MANAGEMENT OF VINALINK’S LOGISTICS DEPARTMENT AND RECOMMENDATIONS Hanoi-...
Ngày tải lên: 20/04/2013, 11:13
Requirements for the Generic Bus Driver Model
... future, have bus drivers that use the generic device enumeration model presented in this article. • Designers of devices for these buses must understand what the generic bus driver model means for ... is promoted because functions on the bus can come from multiple IHVs and generic extensions are possible at any time. Generic Bus Driver Model Each bus driver sees its bus in a simple, general ... group interfaces into functions, this is a problem for a generic bus driver. • Self-describing - The interface descriptor in ROM describes the function to a generic bus driver, so there is no problem. •...
Ngày tải lên: 07/10/2013, 00:20
Cabling Standard - ISO-IEC 11801 - Information Technology - Generic Cabling for Customer Premises
... Overall structure The generic cabling is a hierarchical star structure which may take the form shown in figure 2. The number and type of subsystems that are included in a generic cabling implementation depends ... designation that provides linkage to it. 5 Structure of the generic cabling system This clause identifies the functional elements of generic cabling, describes how they are connected together ... interfaces at which application specific components are interconnected by the generic cabling. General requirements for implementing generic cabling are also provided. Applications are supported by connecting...
Ngày tải lên: 16/10/2013, 05:15
Lab 3.3.3 Configuring PPP Authentication
... 3.3.3 Copyright 2003, Cisco Systems, Inc. Lab 3.3.3 Configuring PPP Authentication Objective • Configure a PPP authentication using CHAP on two routers. Background/Preparation Cable ... find the error. Then do the pings again until both pings are successful. Step 8 Configure PPP authentication Configure usernames and password on the Madrid router. The passwords must be the ... Madrid(config)#username Tokyo password cisco Madrid(config)#interface serial 0 Madrid(config-if)#ppp authentication chap Step 9 Verify that the serial connection is functioning a. Verify that the...
Ngày tải lên: 16/10/2013, 20:15
Generic Nissan Ecu Sensor Or Data Register Table Ver 2
... Lo 0x1f P/Reg control valve Wastegate SOL IACV- FICD SOL EGR SOL 0x21 LH-BANK 1=LEAN RH-BANK 1=LEAN Generic Nissan Engine ECU Register Table. This is a list of all known registers and their function....
Ngày tải lên: 23/10/2013, 07:15
Introduction to Static Failure Theories
... Subsequent tutorials, Static Failure of Ductile Materials and Static Failure of Brittle Materials, will respectively provide detailed reviews and examples, respectively, of the failure theories associated ... been developed for the static failure of metals based upon the two classes of material failure; ductile metals yield while brittle metals fracture. Thus separate failure theories exist for ductile ... stress-strain diagrams graphically demonstrate the difference in the failure behavior of ductile and brittle metals, and the need for separate failure criteria. However, the curves do not represent true...
Ngày tải lên: 25/10/2013, 04:15
Brand Failures
... brands fail 4 Brand myths 6 Why focus on failure? 7 2. Classic failures 9 1 New Coke 13 2 The Ford Edsel 19 3 Sony Betamax 26 4 McDonald’s Arch Deluxe 30 3. Idea failures 33 5 Kellogg’s Cereal Mates: ... orange boxes aren’t enough 67 Classic failures 19 2 The Ford Edsel Among many US marketing professors, the story of the Edsel car is con- sidered the classic brand failure of all time. Dubbed ‘the ... brand. Often though, the reason for failure is more straightforward. Many brands fail because they are simply bad ideas that haven’t been properly researched. Occasionally these failures are the result of...
Ngày tải lên: 25/10/2013, 09:15
LUYỆN ĐỌC TIẾNG ANH QUA TÁC PHẨM VĂN HỌC-SHORT STORY BY O’HENRY -The Hypotheses Of Failure
... presence, within his reach. His old figure of the ship glided into his mind. But now the figure failed, for to have filled every compartment of an actual vessel would have been to endanger her ... straight talk. You ought to know who I am by this SHORT STORY BY O’HENRY The Hypotheses Of Failure LAWYER GOOCH bestowed his undivided attention upon the engrossing arts of his profession....
Ngày tải lên: 29/10/2013, 01:15
Septic Shock and Multi-Organ Failure
... CRITICAL CARE VIVAS S ᭢ 209 SEPTIC SHOCK AND MULTI-ORGAN FAILURE S SEPTIC SHOCK AND MULTI-ORGAN FAILURE SEPTIC SHOCK AND MULTI-ORGAN FAILURE What is an endotoxin? Endotoxin, a trigger of septic ... of gut f lora What is the mortality associated with organ failure? ᭹ Mortality from renal failure is around 8% ᭹ Mortality from renal failure ϩone other organ is around 70% ᭹ Mortality from three ... VIVAS S ᭢ 219 SPINAL INJURY ᭹ Secondary MODS: the failure occurs as a result of the effects of SIRS. There may be a latent period between the initial event and the subsequent organ failure Which organ systems may...
Ngày tải lên: 01/11/2013, 10:20
Business Vocabulary in Use (Cambridge Professional English)_Success and failure
Ngày tải lên: 01/11/2013, 14:20
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