'Shared secret' diaporamas de présentation

Chapter 9

Chapter 9. Building IPSEC VPNS Using Cisco Routers. Objectives. Objectives. Upon completion of this chapter, you will be able to perform the following tasks: Define two types Cisco router VPN solutions. Describe the Cisco VPN router product family.

1.48k views • 118 slides

Servers and secure communication

Servers and secure communication. Jeff Chase Duke University. Shell lab. We need to understand a little about: job states: foreground and background process states blocking or sleep states: waiting for an external event Shell exposes a fundamental problem:

760 views • 63 slides

Chapter 13 IPsec

Chapter 13 IPsec. IPsec (IP Security). A collection of protocols used to create VPNs A network layer security protocol providing cryptographic security services that can support various combinations of authentication, integrity, access control, and confidentiality

799 views • 63 slides

Standards

Standards. Kerberos V4. Goals of Kerberos.

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Network Security

Network Security. Volkan Cambazoglu. Adapted from: Computer Networking, Kurose/Ross and lecture notes, Rohner. Outlook. Secure channel Principles of cryptography Authentication, Integrity Security at different layers Firewalls and Intrusion Detection.

632 views • 54 slides

802.16e

802.16e. Vijay Chauhan Srinivas Inguva. 802.16 Overview. Basic Idea: Metropolitan area wireless broadband service. Main roles involved in 802.16: Base Station (BS) Mobile Station (MS) / Subscriber Station (SS) Two security protocols of interest: Authentication/Authorization protocol

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link layer security

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Integrating PKI and Kerberos Authentication services

Integrating PKI and Kerberos Authentication services. Alberto Pace. Authentication Methods. Two technologies for authentication Kerberos and X.509 Certificates (PKI) Today at CERN Kerberos is used in Windows Domains and AFS

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Security Handshake Pitfalls

Security Handshake Pitfalls. Authentication Handshakes. Secure communication almost always includes an initial authentication handshake: Authenticate each other Establish sessions keys This process may involve many flaws. Login with shared secret. Approaches

1.76k views • 24 slides

Network Access for Remote Users: Practical IPSec

Dr John S. Graham ULCC johng@nosc.ja.net. Network Access for Remote Users: Practical IPSec. Summary of Installations. Remote Site Guildhall School of Music and Drama Southgate and Capel Manor Colleges Remote Users Conservatoire of Dance and Drama. Crypto Route Map. Crypto map

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Security of Wireless LAN

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Proving IEEE 802.11i Secure

CS259: Security Analysis of Network Protocols, Winter 2008. Proving IEEE 802.11i Secure. Mukund Sundararajan Joint work with Changhua He, Arnab Roy, Anupam Datta, Ante Derek, John Mitchell. 802.11i Key Management. TLS: Uses Certificates, provides authentication. 4WAY Handshake:

344 views • 20 slides

Security Stan dards for NFCIP-1

Ecma/TC47/2009/0 24-Rev1. Security Stan dards for NFCIP-1. TC47. NFC-SEC provides Security Specification for NFCIP-1.

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Secure Roaming

Secure Roaming. IEEE 802.11 TgF Bernard Aboba Tim Moore Microsoft. Goals. To describe security context transfer model To describe implications for 802.11 TgF. A Model for Security Context Transfer. Model for security context establishment

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Standards

Standards. Kerberos V4. Goals of Kerberos.

262 views • 16 slides

Disk Farms at Jefferson Lab

Disk Farms at Jefferson Lab . Bryan Hess Bryan.Hess@jlab.org. Background. Data stored in 6,000 tape StorageTek silo Data throughput > 2TB per day Batch farm of ~250cpus for data reduction and analysis Interactive analysis as well. User Needs. Fast access to frequently used data from silo

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Efficient Multi-server Password Authenticated Key Agreement Using Smart Cards

Efficient Multi-server Password Authenticated Key Agreement Using Smart Cards. Computer and Information Security 92321509 Ming-Hong Shih. Source. Wen-Shenq Juang , IEEE Transactions on Consumer Electronics, Vol. 50, No. 1,pp. 251-255, Feb. 2004.

301 views • 15 slides

Lecture 7b: The Diffie-Hellman Secret Sharing Scheme

Lecture 7b: The Diffie-Hellman Secret Sharing Scheme. Wayne Patterson SYCS 653 Fall 2009. The Diffie-Hellman Key Exchange.

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Kerberos

Kerberos. What is Kerberos?. Kerberos is an authentication service developed at MIT. Its purpose is to allow users and services to authenticate themselves to each other.

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SureMail: Notification Overlay for Email Reliability

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