Scanning networks

Xem 1-20 trên 41 kết quả Scanning networks
  • Tham khảo bài thuyết trình 'module 03 - scanning networks', công nghệ thông tin, chứng chỉ quốc tế phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả

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  • Network scanning is a procedure for identifying active hosts on a network, either for the purpose of attacking them or for network security assessment. Scanning procedures, such as ping sweeps and port scans, return information about which IP addresses map to live hosts that are active on the Interne

    pdf111p doilan 26-01-2013 35 7   Download

  • Mục Tiêu của bài báo cáo này nhằm tìm hiểu về: định nghĩa và các loại quét, hiểu biết các phương pháp quét của CEH, kiểm tra hệ thống và các cổng mở, hiểu biết các kỹ thuật quét, một số công cụ để thực hiện quá trình quét, hiểu kĩ thuật lấy thông tin về phiên bản HĐH của 1 hệ thống mục tiêu, dựng biểu đồ hệ thống mạng sau khi đã phát hiện được lỗi các host, chuẩn bị các proxy, hiểu biết cách ẩn danh, quét các biện pháp phòng chống của hệ thống ...

    pdf110p mandtit 05-09-2014 79 35   Download

  • The purpose is to offer some scanning tips and to explain the basics for photos and documents. It is about the fundamentals of digital images, about the basics to help you get the most from your scanner. How it works, for those that want to know.

    pdf0p doilan 25-01-2013 19 3   Download

  • Repeatedly dial phone numbers looking for a modem to answer or other things War Dialers – used to find modems ToneLoc – 1994 by Minor Threat & Mucho Maas THC-Scan 2.0 – VanHouser, releaces by Hackers Choice thc.inferno.tusclum.edu Win9x, NT, W2000 100 lines/hour TBA – LOpht (www.Lopht.

    ppt22p muathu_102 28-01-2013 26 2   Download

  • Nmap is designed to allow system administrators and curious individuals to scan large networks to determine which hosts are up and what services they are offering. nmap supports a large number of scanning techniques such as: UDP, TCP connect(), TCP SYN (half open), ftp proxy (bounce attack), Reverse-ident, ICMP (ping sweep), FIN, ACK sweep, Xmas Tree, SYN sweep, IP Protocol, and Null scan. See the Scan Types section for more details.

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  • Reference Material W. Richard Stevens, TCP/IP Illustrated, Volume 1 The Protocols, Addison-Wesley Eric A. Hall, Internet Core Protocols, O’Reilly Craig H. Rowland, “Covert Channels in the TCP/IP Protocol Suite”, www.psionic.com/papers/covert/covert.tcp.txt Ofir Arkin, “ICMP Usage in Scanning”, www.sys-security.com Fyodor, “Remote OS detection via TCP/IP Stack FingerPrinting” www.insecure.org/nmap/nmap-fingerprinting-article Thomas Ptacek, Timothy Newsham, “Insertion, Evasion, and Denial of Service: Eluding Network Intrusion Detection”, www.robertgraham.

    pdf13p huyhoang 07-08-2009 138 16   Download

  • Chương 5 - Scanning. Quét (Scanning) là một bước tiếp theo trong tiến trình tấn công hệ thống. Gia đoạn này giúp chúng ta xác định được nhiều thông tin của mục tiêu cần tấn công. Chương trước, bạn đã tìm hiểu các vấn đề về Footprinting và Social Engineering, là công việc liên quan đến con người.

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  • Optical Character Recognition is a technology that enable human to digitize scanned images, converting into editable text on the computer and increasing the speed of data transmission directly into computer from many source of documents. In addition, it is also useful in handwriting recognition and making digital images searchable for text. In this paper, we proposed anOCR system which is capable of recognizing Vietnamese characters fortyped texts using template matching and artificial neural network recognizing methods.

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  • Network reconnaissance cannot be prevented entirely. If Internet Control Message Protocol (ICMP) echo and echo-reply is turned off on edge routers, ping sweeps can be stopped, but at the expense of network diagnostic data. However, port scans can easily be run without full ping sweeps; they just take longer because they need to scan IP addresses that might not be live. Intrusion detection systems (IDSs) at the network and host levels can usually notify an administrator when a reconnaissance attack is underway.

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  • Hacking - showing computer expertise Cracking - breaching security on software or systems Phreaking - cracking telecom networks Spoofing - faking the originating IP address in a datagram Denial of Service (DoS) - flooding a host with sufficient network traffic so that it can’t respond anymore Port Scanning - searching for vulnerabilities

    ppt25p muathu_102 28-01-2013 36 2   Download

  • Quét virus, trojan, malware, spyware …. của FILES , LINKS. Khi down một file về hoặc trước khi click vào một link lạ lùng nào đó = SCAN (quét virus), PLZ

    doc13p reihayami 15-04-2010 148 69   Download

  • Linear media describes media with a defined beginning and a linear progression to the end. Forms of linear media such as film, audio and videotape, as well as most books are organized with this expectation. The World Wide Web, however, is organized differently. Hypermedia Hypermedia is about choice. Users simply select what interests them. A good example is an audio CD where you can choose song 5 and listen to it almost immediately. Contrast this with an audiotape where you would have to scan through from your current location on the tape to the beginning of the song....

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  • cs-books@wiley.co.uk Visit our Home Page on www.wiley.com All Rights Reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except under the terms of the Copyright, Designs and Patents Act 1988 or under the terms of a licence issued by the Copyright Licensing Agency Ltd, 90 Tottenham Court Road, London W1T 4LP, UK, without the permission in writing of the Publisher....

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  • Intrusion detection is not for the faint at heart. But, if you are a network administrator chances are you're under increasing pressure to ensure that mission-critical systems are safe--in fact impenetrable--from malicious code, buffer overflows, stealth port scans, SMB probes, OS fingerprinting attempts, CGI attacks, and other network intruders.

    pdf1401p muathu_102 28-01-2013 39 17   Download

  • Ethical Hacking Version 5 Module XV Hacking Wireless Networks Module Objective This module will familiarize you with the following: Concept of Wireless Networking Effects of Wireless Attacks on Business Types of Wireless Networks Wireless Standards Antennas Wireless Access Points SSID Setting up a WLAN Detecting a Wireless Network EC-Council How to Access a WLAN Wired Equivalent Privacy Wi-Fi Protected Access Steps for Hacking Wireless Networks Cracking WEP Tools for Scanning Tools for Sniffing Securing Wireless Networks WIDZ and RADIUS Copyright © by EC-Council All Rights reserved.

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  • Published by Wiley Publishing, Inc. 111 River Street Hoboken, NJ 07030-5774 www.wiley.com Copyright © 2007 by Wiley Publishing, Inc., Indianapolis, Indiana Published by Wiley Publishing, Inc.

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  • An important lesson to share is that you should always test attack tools in a lab environment -- never on a live network. Over the years I have been amazed at how well I can break networks simply by scanning them. Needless to say, the owners of the networks are not always overjoyed, and it is great to be able to demonstrate that I tested them in a lab BEFORE I let them loose on a live, production network.

    pdf33p huyhoang 08-08-2009 152 10   Download

  • If attackers are going to take advantage of vulnerabilities, it makes sense that we need to find them before they do. System, network, and telephone vulnerability scanning tools are a powerful method of doing this. Lets take a look at another Internet threat. This is the threat introduced by users who download and run utilities that are designed to share and search for files across the Internet. Examples are the programs Napster, Gnutella, and more recently Scour. In the next two slides we’ll examine Gnutella, its function, and the dangers it introduces....

    pdf63p huyhoang 07-08-2009 81 6   Download

  • Threat Lifecycle Management Services builds on Threat Discovery Services and Threat Remediation Services and includes automated threat remediation and root cause analysis with end-to-end threat analysis and management. In the event a suspected exploit is discovered in a network stream or a routine scan of the on-premise network, the threat mitigator technology will trigger processes to perform pattern-free cleanup and root cause analysis and produce remediation advisories.

    pdf25p khongmuonnghe 04-01-2013 29 5   Download

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