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DNS and Attacks

DNS and Attacks

DNS and Attacks. Based on slides accompanying the book Computer Security: A hands-on approach by Wenliang Du ( 2017). Outline. Introduction of DNS DNS Hierarchy , Zones, and Servers DNS Query Process Experiment DNS Attacks : Overview Local DNS Cache Poisoning Attack

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618 views • 61 slides
Applications: Domain Name System

Applications: Domain Name System

Applications: Domain Name System. Mitra Nasri ECE Department, University of Tehran Fall 2009. Table of Content. Internet Applications (Application Mix) DNS Measurement Properties Challenges Tools DNS in Other Applications State of the Art. Application Mix. Internet Applications.

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728 views • 54 slides
Discovery

Discovery

Discovery. http://mosaic.cnfolio.com/B101CW2011Article581. Mike Freedman COS 461: Computer Networks http://www.cs.princeton.edu/courses/archive/spr14/cos461/. Relationship Between Layers. name. logical link. Discovery: Mapping Name to Address. name. logical link. address.

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597 views • 45 slides
DNS Security

DNS Security

DNS Security. Ch 1: The Importance of DNS Security. DNS is Essential. Without DNS, no one can use domain names like ccsf.edu Almost every Internet communication begins with a DNS resolution. DNS Under Attack. Microsoft (2001). In 2001, Microsoft's DNS servers were attacked Link Ch 1a.

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550 views • 38 slides
Network and Communication Security: HTTPS, IP Sec, DNS-Sec Section 8.4

Network and Communication Security: HTTPS, IP Sec, DNS-Sec Section 8.4

Network and Communication Security: HTTPS, IP Sec, DNS-Sec Section 8.4. COS 461: Computer Networks Spring 2011 Mike Freedman http://www.cs.princeton.edu/courses/archive/spring11/cos461/. Recall basic security properties. Confidentiality: Concealment of information or resources

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489 views • 30 slides
The Problem

The Problem

Distributed Denial of Service Attacks and Defenses CS 239 Advanced Topics in Computer Security Peter Reiher September 28, 2010. The Problem. Distributed Denial of Service (DDoS) Attacks. Goal: Prevent a network site from doing its normal business Method: overwhelm the site with attack traffic

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307 views • 19 slides
IPv6 support in the DNS

IPv6 support in the DNS

IPv6 support in the DNS. Speaker name (or email address). Copy ... Rights. This slide set is the ownership of the 6DISS project via its partners The Powerpoint version of this material may be reused and modified only with written authorization

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287 views • 19 slides
(Distributed) Denial of Service

(Distributed) Denial of Service

(Distributed) Denial of Service. Nick Feamster CS 4251 Spring 2008. Distributed Denial of Service (DDoS). Daemon. Master. Daemon. Daemon. Daemon. Daemon. Real Attacker. Victim. Asymmetry comes in the form of a large farm of machines. IP addresses no longer need to be spoofed.

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226 views • 10 slides

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