1 [pic] INTRUSION DETECTION SYSTEM Report submitted in partial fulfillment of the requirement for the degree of Bachelor of Technology In Computer Science and Engineering Under the Supervision of Mr. Pramod Parashar By Vishal Garg 01016403209 University School of Information Technology Guru Gobind Singh Indraprastha University Sector 16-C‚ Dwarka‚ Delhi JULY 2012 DECLARATION This is to declare that this Report entitled “Intrusion Detection System “which
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operations staff‚ auditors‚ and fraud and forensics investigators the power to perform unprecedented free-form contextual analysis of raw network data captured and reconstructed 2.) Know what type of information can be detected from a packet header Control Information 3.) Know how TCP established a connection To establish a connection‚ TCP uses a three-way handshake. Before a client attempts to connect with a server‚ the server must first bind to and listen at a port to open it up for connections:
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out some of the expenses when installing a firewall and intrusion detection system. 2. Circuit Level Gateway- In circuit level gateway the security is at the transport layer. This type of firewall is implemented and governed by using the SOCKS protocol. SOCKS was designed by David
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Shell (SSH)‚ File Transfer Protocol (FTP)‚ and Trivial FTP (TFTP) protocols over several machines in the network. Finally‚ you used NetWitness Investigator as to analyze the captured data. Lab Assessment Questions & Answers 1. Both Wireshark and NetWitness Investigator can be used for packet capture and analysis. Which tool is preferred for each task‚ and why? 2. What is the significance of the TCP three-way handshake for applications that utilize TCP as transport protocol? 3. How many different source
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header line is used by Conditional GET to check whether the object asked has been modified. 4. We saw that there is no network-layer protocol that can be used to identify the hosts participating in a multicast group. Given this‚ how can multicast applications learn the identities of the hosts that are participating in a multicast group? (1 point) Answer: The protocol must be built at the application layer. For example‚ an application may periodically multicast its identity to all other group members
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You Decide Professor: To: Kim Brown‚ Branch Manager CC: Ken Rogers‚ Corporate Manager From Subject: Access Control Lists Date: 10/06/2013 Good day MS Kim‚ I would like to explain the available options of Access Control Lists what will do and what types of ACLs there are. Complex ACLs can be tricky but will better for security for the network. There are three different types of ACLs‚ Dynamic ACL‚ Reflexive ACL‚ and Time Based ACL. Each ACL is unique to the type of network we have
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critical security piece. Any services not actually needed should be turned off so that they will not become avenues of attack for security threats. Different systems will have different services running by default. The firewall process can tightly control what is allowed to traverse from one side to the other. As with most aspects of security‚ deciding what type of firewall to use will depend upon factors such as traffic levels‚ services needing protection and the complexity of rules required. The
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International Journal of Network Security & Its Applications (IJNSA)‚ Vol.3‚ No.2‚ March 2011 A ROBUST MECHANISM FOR DEFENDING DISTRIBUTED DENIAL OF SERVICE ATTACKS ON WEB SERVERS Jaydip Sen Innovation Labs‚ Tata Consultancy Services Ltd.‚ Bengal Intelligent Park‚ Salt Lake Electronic Complex‚ Kolkata‚ INDIA Jaydip.Sen@tcs.com ABSTRACT Distributed Denial of Service (DDoS) attacks have emerged as a popular means of causing mass targeted service disruptions‚ often for extended periods
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(May change if we can find a room and days/times) ❑ Room: Holmes 389 ❑ Brief Course Description: The course will cover algorithms that are used in network research and implementation. These include graph algorithms‚ transmission scheduling‚ traffic management‚ and control algorithms for certain switch/router architectures. There will be an emphasis on TCP/IP as a case study. See the list of topics below. ❑ Prerequisite: EE 367 (data structures) and knowledge of C programming‚ or consent
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frame. Answer all of the questions found below based on the details of your captured HTTP frame. What is the MAC Address of the Default Gateway? 00:0c:29:5c:b8:ee What Field in the IP header determines the Transport Layer protocol that handles the contents of the Packet? Protocol What is the Window Size indicated for the segment? 37376 (scaled) What is the Sequence Number for the segment? 983 What is the Acknowledgement Number for the segment? 13982 What Field in the TCP header contains a well
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