'Syn ack' diaporamas de présentation

Modul 2 Footprinting Scanning Enumeration

Modul 2 Footprinting Scanning Enumeration. Isbat Uzzin Nadhori Informatical Engineering PENS-ITS. Politeknik Elektronika Negeri Surabaya I TS - Surabaya. Intelligence Gathering Techniques. 3 Major Steps Foot Printing Scanning Enumeration Similar to Military

1.04k views • 81 slides

Advanced Idle Scanning

Advanced Idle Scanning. by Demetris Papapetrou. Contents. Introduction to TCP/IP Networks Port Scanning Techniques Idle Scanning Advanced Idle Scanning Revealing Trust Relationships. The Basics. INTRODUCTION TO TCP/IP NETWORKS. OSI 7 Layer Model. L7. HTTP, FTP, SMTP. L6.

1.11k views • 78 slides

Intro to Networking for the Insufficiently Paranoid

729 views • 66 slides

TCP

TCP. EE 122: Intro to Communication Networks Fall 2010 (MW 4-5:30 in 101 Barker) Scott Shenker TAs: Sameer Agarwal, Sara Alspaugh, Igor Ganichev, Prayag Narula http://inst.eecs.berkeley.edu/~ee122/

723 views • 60 slides

EE579T Network Security 9: An Introduction to Network-Based Attacks

811 views • 58 slides

Lecture 04: Transport Layer

Transport layer protocols in the Internet: UDP: connectionless transport TCP: connection-oriented transport TCP congestion control. Lecture 04: Transport Layer. Provides end-to-end connectivity, but not necessarily good performance. name. link. session. path. address.

764 views • 57 slides

Opportunistic Mobility with Multipath TCP

Opportunistic Mobility with Multipath TCP. Costin Raiciu Department of Computer Science University Politehnica of Bucharest Joint work with Dragos Niculescu , Marcelo Bagnulo (UC3M) and Mark Handley (UCL). Mobile Devices Everywhere!. Smartphones. Tablets. Cars.

680 views • 49 slides

The Attack and Defense of Computers Dr. ? ? ?

545 views • 40 slides

CS 445 / 645 Internet Security Mon & Wed, 11:30 AM ~ 12:45 PM @ SEB 1240 Spring, 2012

School of Computer Science. CS 445 / 645 Internet Security Mon & Wed, 11:30 AM ~ 12:45 PM @ SEB 1240 Spring, 2012. Wednesday, Feb. 22, 2012. Review. Quiz at the end of class. Source sends series of UDP segments to dest First has TTL =1 Second has TTL=2, etc.

515 views • 39 slides

TCP/IP Security Attacks

TCP/IP Security Attacks. Raj Jain Washington University in Saint Louis Saint Louis, MO 63130 Jain@cse.wustl.edu These slides are available on-line at: http://www.cse.wustl.edu/~jain/cse571-07/. Overview. TCP Segment Format, Connection Setup, Disconnect

779 views • 29 slides

Packet Tracing -- Putting it all together

Packet Tracing -- Putting it all together. Packet tracing: the actions of observing packets as they appear on the media and deriving the activities occuring on hosts; or, knowing the top-level commands issued and predicting the packets that will appear on the media.

357 views • 25 slides

Computer Networks

Computer Networks. Transport Layer. Transport Layer Objectives. Goals Deals with end host pacing, congestion control Provides internal addresses on host (ports) Upward multiplexing Reliable, end-to-end data delivery Challenges

306 views • 25 slides

Throughput Characteristics of Free-Space-Optical Mobile Ad-hoc Networks

379 views • 24 slides

TCP Review

TCP Review. CS144 Review Session 4 April 25, 2008 Ben Nham. Announcements. Upcoming dates Wed, 4/30: Lab 3 due, Lab 4 out Fri, 5/2: Midterm Review Mon, 5/5: In-class midterm Wed, 5/14: Lab 4 due Lab 3 is more complex than Lab 1 or Lab 2, so start now. TCP Overview.

451 views • 21 slides

New SA Training Topic 11: Security

327 views • 21 slides

Fine-Grained Failover Using Connection Migration

283 views • 20 slides

Transport Control Protocol

323 views • 18 slides

Proses Serangan terhadap Jaringan Komputer

Proses Serangan terhadap Jaringan Komputer. Reconnaissance dan footprinting Scanning Enumerasi Mendapatkan Akses Eskalasi Membuat Backdoor dan menyembunyikan jejak. Reconnaissance. Fase persiapan awal

273 views • 14 slides

RFC 793 State machine study

RFC 793 State machine study. Simultaneously active SYN Page 32, Figure 8. Page:32 Figure. 8. Simultaneously active SYN. TCP A. TCP B. Should_ACK =NA. Should_ACK =NA. SEQ=NA. SEQ=NA. 1. CLOSED CLOSED. Page:32 Figure. 8.

216 views • 9 slides

RFC 793 State machine study

RFC 793 State machine study. 3-way handshake Page 31, Figure 7. Page:31 Figure. 7. 3-way handshake. TCP A. TCP B. Should_ACK =NA. Should_ACK =NA. SEQ=NA. SEQ=NA. SEQ=300. 1. CLOSED LISTEN. Page:31 Figure. 7. 3-way handshake. TCP A.

207 views • 7 slides