Network security protocols

Xem 1-20 trên 204 kết quả Network security protocols
  • Encryption and authentication algorithms are building blocks of secure network protocols Deploying cryptographic algorithms at different layers have different security effects Where should we put the security protocol in the network architecture?

    ppt27p muathu_102 28-01-2013 22 2   Download

  • Secure Socket Layer Protocol (SSL) Designed by Netscape in 1994 To protect WWW applications and electronic transactions Transport layer security protocol (TLS) A revised version of SSLv3 Two major components: Record protocol, on top of transport-layer protocols Handshake protocol, change-cipher-spec protocol, and alert protocol; they reside between application-layer protocols and the record protocol

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  • A comprehensive yet comprehensible and witty guide to the latest advances in computer network security protocols. The author team includes Charlie Kaufman, currently chief security architect for Lotus Notes, and formerly Network Security Architect at Digital Equipment Corporation;

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  • MCSE Core Required Exams in a Nutshell MCSE Core Elective Exams in a Nutshell MCSA on Windows Server 2003 Core Exams in a Nutshell Security Warrior Network Security Assessment Internet Core Protocols: The Definitive Guide TCP/IP Network Administration 802.11 Wireless Networks: The Definitive Guide PC Hardware in a Nutshell Linux in a Nutshell Windows Vista in a Nutshell Unix in a Nutshell’Reilly brings diverse innovators together to nurture the ideas that spark revolutionary industries.

    pdf813p luvpuca 01-04-2011 129 52   Download

  • OSI, TCP/IP model o IP, TCP packet architecture o Protocols: HTTP, DNS… Network devices, router, switch, firewall, … Wireless network: AP, wave,… Overview of network security o o o o o o o Definitions Tasks of Network Security Attacks, services and mechanisms Security attacks Security services Methods of Defense A model for Internetwork Security 3 .OSI model 4 .TCP/IP model 5 .

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  • Tham khảo bài thuyết trình 'security protocols: they’re so not easy!', công nghệ thông tin, an ninh - bảo mật phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Network Security: Chapter 7 - Web Security provides about SSL (Secure Socket Layer), SSL Architectur, SSL Record Protocol Services, SSL Record Protocol Operation, SSL Change Cipher Spec Protocol, SSL Alert Protocol, SSL Handshake Protocol and something else.

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  • Lecture Security + Guide to Network Security Fundamentals - Chapter 7 include objectives: Harden File Transfer Protocol (FTP), secure remote access, protect directory services, secure digital cellular telephony, harden wireless local area networks (WLAN).

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  • Chapter 7 - Computer and network security. This chapter includes contents: Ancient ciphers to modern cryptosystems; secret-key cryptography; public key cryptography; key agreement protocols; key management; digital signatures; public key infrastructure, certificates and certification authorities; cryptoanalysis; security protocols.

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  • In addition to an explosion of touch points, we are faced with an infinitively complex and rapidly changing web of networks, applications, systems, client software, and service providers. Under these circumstances, absolute security cannot be guaranteed since it’s impossible to test the security implications of every configuration combination of hardware and software under every set of conditions.

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  • As of November 8, 2010, Manually entered IP addresses are no longer supported on campus if the device is capable of using DHCP. This is true for normal dynamically assigned IP's and Static IP's. All NEW devices added to the network must be set to receive their network address via DHCP (Dynamic Host Configuration Protocol). This is the default setting for campus PC and Mac workstations and most printers. No user action is anticipated. There is no change or downtime expected for the vast majority of campus workstations or devices. We have made great efforts to put exceptions in place...

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  • Tham khảo sách 'managing cisco network security version 2.0', công nghệ thông tin, chứng chỉ quốc tế phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

    pdf69p mylinh 12-08-2009 134 19   Download

  • We live in an era of unimaginably rapidly advancing and amazing technologies that enable instantaneous flow of information – anytime, anywhere. The convergence of computers and networks has been the key force behind the development of these awesome technologies. Increasing use of systems..

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  • The OpenSSL library is seeing widespread adoption for web sites that require cryptographic functions to protect a broad range of sensitive information, such as credit card numbers and other financial transactions. The library is the only free, full-featured SSL implementation for C and C++, and it can be used programmatically or from the command line to secure most TCP-based network protocols.

    pdf338p titatu_123 01-03-2013 43 10   Download

  • We use the term privacy when referring to the desire to keep communication from being seen by anyone other than the intended recipients. Some people in the security community avoid the term privacy because they feel its meaning has been corrupted to mean the right to know, because in some countries there are laws known as privacy laws which state that citizens have the right to see records kept about themselves. Privacy also tends to be used when referring to keeping personal information about people from being collected and misused.

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  • Taking the network scenario of Figure 1, there will be web interfaces (routers and serv- ers), BACnet/IP controllers (connected to interesting devices that are network accessible), and operator workstations that may have vulnerable OS as well as configuration files and other interesting data and resources. The following table is adapted from a Drexel report on network security [Eisenstein et al., 2003a] and lists known IT threats to a BACnet network connected to the public Internet.

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  • WPA: A rush solution to the security problems of WEP WPA2: Based on 802.11i (official version) Encrypt and authenticate MSDUs: counter mode-CBC MAC protocol with AES-128 Authenticate STAs: 802.1X Initialization vectors transmitted in plaintext are no longer needed to generate per-frame keys But most of the existing Wi-Fi WPA cards cannot be upgraded to support 802.11i

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  • Radio based communication, open air The attacker, having a radio transmitter and receiver with the same radio frequency of the underlying wireless network, can easily: Intercept wireless data Connect his computing devices to a nearby wireless network Inject new packets to an existing wireless network Jam a particular wireless channel using a jamming device Security measures Implement encryption algorithms, authentication algorithms, and integrity-check algorithms at the data-link layer Provide network access with wired equivalent privacy Higher-layer protocols and applications can be used ...

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  • 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

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  • have a range of application specific security mechanisms eg. S/MIME, PGP, Kerberos, SSL/HTTPS however there are security concerns that cut across protocol layers would like security implemented by the network for all applications

    ppt23p doilan 26-01-2013 18 1   Download

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