cisco¡¯s vision in network security

... of selfish investment in network security will be one of our focuses In this paper, we study how network topology, users’ preference and their mutual influence affect network security in a non-cooperative ... I INTRODUCTION Security in a communication network depends not only on the security investment made by individual users, but also on the interdependency among them If a careless user puts in ... security, since security breaches would lead to large financial losses or other consequences They are also more willing and efficient in implementing security measures On the other hand, an ordinary...

Ngày tải lên: 05/03/2014, 23:20

... businesses, and universities Security specialists have long been interested in knowing what an intruder can do to a computer network and what can be done to prevent or counteract attacks In this ... previous work in Sect 7 Finally, we summarize our results and point to future directions in Sect 8 2 Networks as stochastic games Game theory has been used in many other problems in-volving attackers ... ideal for captur-ing the properties of these interactions In real life, there can be more than one attacker at-tacking a network and more than one administrator man-aging the network at the same...

Ngày tải lên: 14/03/2014, 22:20

... knowledgeable sysadmin Network systems Increasing connectivity Increasing complexity Increasing functionality Increasing “computrons” Increased application security Activity Increased state and ... sophistication Increasing communication/ collaboration Defenders Increasing complexity Increasing dependency Increasing attrition Decreasing budgets Persistent ignorance/ increasing awareness/ ... Concepts in Network Security SuSE Win 2K3 Win 2K Red Hat Virtual Machine X86 hardware LTC Ronald Dodge, Ph.D United States Military Academy Trends in Network Security Attackers Increasing sophistication...

Ngày tải lên: 14/03/2014, 22:20

... training plan and user manual when training users of new IT investments The training plan should outline objectives, target audience, strategies, and curriculum TISS conducted informal training ... structured training curriculum, users’ needs are not being met and the continued use of the SIEM tool by EPA’s information security staff will be of limited value in performing information security ... to EPA’s network, with some assets containing sensitive information such as personally identifiable information. We interviewed several headquarters ISOs who expressed interest in using the SIEM...

Ngày tải lên: 05/03/2014, 21:20

... type of security is running on your network today? Bar Chart 18b What type of security is running on your approved corporate endpoints today? Fast detection and containment Baselining against ... perception about their network security Bar Chart 2 Perceptions about the security of the IT infrastructure to prevent network security breaches using a 10-point scale from 1 = insecure to 10 = completely ... keep networks secure? In this report, we focus only on the responses of US IT and IT security practitioners Some of the topics addressed include:  Are threats to network security increasing in...

Ngày tải lên: 28/03/2014, 22:20

... filtering – Giới hạn thông tin truyền sang mạng dựa thơng tin header gói tin tĩnh  Proxy Server – Yêu cầu kết nối chuyển tiếp client bên tường lửa mạng Internet  Stateful packet filtering – ... filtering proxy server Trần Giáo: Lớp K3D_Khoa CNTT_ĐHTN Chapter 3: cisco pix firewall models and features Một tường lửa sử dụng packet filtering để giới hạn thông tin vào mạng thông tin di chuyển ... kỳ gói tin gửi đến mạng bảo vệ không với tiêu chuẩn định nghĩa ACLs bị hủy Những có số vấn đề với packet filtering  Các gói tin gửi mà phù hợp với tiêu chuẩn ACL qua lọc  Các gói tin qua lọc...

Ngày tải lên: 28/10/2013, 00:15

... của Security Whell  Mô tả kiến trúc của Cisco AVVID  Mô tả SAFE framework 2.2 An ninh mạng Phần này sẽ giải thích an ninh mạng là gì và tại sao lại cần phải đảm bảo an ninh mạng Trang 2An ninh ... môi trường vật lý Trong một nghiên cứu gần đây của Computer Security Institute (CIS), 70% các tổ chức bị mất mát thông tin do vấn đề an ninh mạng có lỗ thủng và 60% trong số đó nguyên nhân là do ... trình an ninh liên tục này tiêu biểu cho Security Wheel Để bắt đầu tiến trình liên tục này bạn cần phải tạo một chính sách an ninh mà nó cho phép bảo mật các ứng dụng Một chính sách an ninh cần...

Ngày tải lên: 28/10/2013, 00:15

... an ninh cho mỗi interface được thiết lập bởi lệnh nameif Lệnh static cho phép lưu lượng bắt đầu từ một interface với một mức an ninh thấp hơn quan PIX Firewall đến một interface có mức an ninh ... beginning (xóa về từ đầu), trạng thái luông… Tuy nhiên PIX Firewall tạo một khe kết nối UDP khi một gói tin UDP được gửi từ một giao diện có mức an ninh cao hơn đến giao diện có mức an ninh ... conduit cần được cấu hình để cho phép các phiên vào từ outside interface đến DMZ interface, hoặc từ outside interface đến inside interface Statics được ưu tiên trên cặp lệnh nat và global Sử dụng...

Ngày tải lên: 06/11/2013, 10:15

... nhập lệnh show interface:  Ethernet – cho thấy bạn có sử dụng lệnh interface để cấu hình interface Trạng thái cho thấy interface là inside hay outside và đang “up” hay “down”  Line protocol ... nhận dữ liệu  Runts – Các gói tin với thông tin ít hơn mong đợi  Gaints - Các gói tin với thông tin nhiều hơn mong đợi  CRC (cyclic redundancy check) – các gói tin chứa dữ liệu bị hỏng (checksum ... 21Mức độ an ninh ASA ( ASA Security Levels) Phần này sẽ thảo luận về Adaptive Security Algorith (ASA) và ASA security levels ASA là một cách tiếp cận an ninh toàn diện Mọi gói tin bên trong đều...

Ngày tải lên: 06/11/2013, 10:15

... suất kết hợp card giao diện khác Interface Card Combination đến PIX-1GE-66 PIX-1GE kết hợp với PIX1GE-66 card PIX-1GE Bất kỳ PIX-1GE-66 PIX-1GE Installes in Interface Slot Numbers Potential Throughput ... rộng, tính từ bên trên-bên trái interface cồng ssod từ trái sang phải từ xuống dưới, interface 3, interface tiếp tục… 15 Trần Giáo: Lớp K3D_Khoa CNTT_ĐHTN Chapter 4: indentify the cisco pix firewall ... K3D_Khoa CNTT_ĐHTN Chapter 4: indentify the cisco pix firewall Có buses riêng biệt cho khe giao diện (interface slot) PIX Firewall 535 Hình vẽ đưa tham khảo cấu hình interface slot PIX Firewall...

Ngày tải lên: 06/11/2013, 10:15

... outside security0 nameif ethernet1 inside security100 nameif ethernet2 dmz security50 nameif ethernet3 intf3 security15 nameif ethernet4 intf4 security20 nameif ethernet5 intf5 security25 ... logging standby no logging console no logging monitor no logging buffered no logging trap logging facility 20 logging queue 512 interface ethernet0 100full interface ethernet1 100full interface ... hình nhiều interface, hãy nhớ rằng mức an ninh được thiết kế cho một interface là inside (tin cậy) hoặc outside (không tin cậy) liên quan tới interface khác Một interface được xem như là inside...

Ngày tải lên: 13/12/2013, 02:15

... for sharing their incredible marketing experience andexpertise Mary Ging, Caroline Hird, and Simon Beale of Harcourt International formaking certain that our vision remains worldwide in scope ... working at Viagénie, Inc as a con-sultant in network architecture and security for a variety of nizations, corporations, and governments For over 10 years, hehas been involved in IP networking ... 86Configuring Control-based Access Control 86 Configuring Port to Application Mapping 91 Protecting a Network Connected to the Internet 93Protecting Server Access Using Lock-and-Key 94Protecting Public...

Ngày tải lên: 22/12/2013, 20:17

... at the OSI data link layer, but at this level, encryption is a point-to-point solution and won’t scale to the Internet or even to private internetworks Every networking device in the communication ... and security awareness Physical Controls include limiting access to network nodes, protecting the network wiring, and securing rooms or buildings that contain restricted assets Logical Controls ... service This trend will only con-tinue to grow Business-to-business interactions are now rapidly shifting to the Internet Extranets can be built over the Internet using VPN technology Mobile users...

Ngày tải lên: 19/01/2014, 18:20

... (Fraser, 1997) Network Security Network security architecture is the planning and design of the campus network to reduce security risks in accordance with the institution’s risk analysis and security ... attached machines running standard versions of Linux and Windows 2000 on our network and timed how long it took for the machine to have its security compromised In all of the tests, the machines had ... example, placing a firewall between the network segments containing the computers that oper-ate the institutional business systems allows the institution to pro-vide more restrictive security for...

Ngày tải lên: 14/02/2014, 16:20

... 1Chapter 5 Network Security Protocols in Practice Part I Trang 2Chapter 5 Outline 5.2 Public-Key Infrastructure  5.3 IPsec: A Security Protocol at the Network Layer  5.4 SSL/TLS: Security Protocols ... used with a sliding window to thwart message replay attacks Given an incoming packet with sequence # s, either s in A – It's too old, and can be discarded s in B – It's in the window Check if ... Placements in Networks  5.2 Public-Key Infrastructure  5.3 IPsec: A Security Protocol at the Network Layer  5.4 SSL/TLS: Security Protocols at the Transport Layer  5.5 PGP and S/MIME: Email Security...

Ngày tải lên: 06/03/2014, 16:20

... 1Chapter 5 Network Security Protocols in Practice Part II Trang 2Chapter 5 Outline 5.1 Crypto Placements in Networks  5.2 Public-Key Infrastructure  5.3 IPsec: A Security Protocol at the Network ... DiagramTrang 16Chapter 5 Outline 5.1 Crypto Placements in Networks  5.2 Public-Key Infrastructure  5.3 IPsec: A Security Protocol at the Network Layer  5.4 SSL/TLS: Security Protocols at the ... functions Trang 21Chapter 5 Outline 5.1 Crypto Placements in Networks  5.2 Public-Key Infrastructure  5.3 IPsec: A Security Protocol at the Network Layer  5.4 SSL/TLS: Security Protocols at the...

Ngày tải lên: 06/03/2014, 16:20

... Trang 1Network Security Using Cisco IOS IPSIntrusion detection system (IDS) and intrusion prevention system (IPS) solutions form an integral part of a robust network defense solution Maintaining ... malicious activities in two spots: ■ Malicious activity is monitored at the network to detect attacks against a network,including attacks against hosts and devices, using network IDS and network IPS ■ ... is installed HIPS works by intercepting operating system and application calls, securing the operating system and application configurations, validating incoming service requests, and analyzing...

Ngày tải lên: 14/03/2014, 20:20

... Support 49 Choosing the Routing Mode 50Viewing Routing Information 51Configuring Static Routing 52Configuring Dynamic Routing 53 Configuring the Routing Mode 57 Trang 5Configuring Router Advertisement ... settings Trang 26Configuring Networking The networking page allows you to configure networking settings This chapter contains the following sections: Configuring the WAN Wide area network configuration ... 145Configuring Access Control Rules 146Configuring Additional SNMP Information 146Performing a DNS Lookup 147Capturing and Tracing Packets 147 Configuring Local Logging 148Configuring Remote Logging...

Ngày tải lên: 22/03/2014, 14:20

... following sections: Introduction Security Policy Intrusion Detection Vulnerability Assessment Figure 3. Interactive animation of network security threats. Teaching Network Security in ... Teaching Network Security in a Virtual Learning Environment Administrator Level Skills The next level of network security skills is the network administrator... the informative ... Learning Environment 196 User Support and Education Security Incident Response Teams Network Security Standards. Security Administration Software The importance of using a well-defined security...

Ngày tải lên: 22/03/2014, 15:21

... com- puter networks, including both hardware- and software-based techniques to promote dissemination of research results in the field of network security in real-life networks in industry, academia ... enough, resulting in false credit information being accepted as genuine This inexorably hurts financially any e-Merchant having accepted fraudulent information as well as hurting unsuspecting people, ... ADVANCES IN NETWORK AND DISTR SYSTEMS SECURITY1 INTRODUCTION In an ever-improving technological world, e-commerce is becoming an increasingly popular a tool for communication, business and...

Ngày tải lên: 25/03/2014, 11:06