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DEPLOYMENT AND IMPLEMENTING OF AN IDSThe strategy for deploying IDS should consider various factors. These factors will determine the number of administrators required to install, configure, and monitors IDS, workstations management, the size of the storage required for retention of the data which is generated by the systems.IDS Control StrategiesIDS can be implemented by means of one of three basic control strategies-Centralized: all the IDS control functions are implemented and managed in a central location which is shown in Figure given below.
-Fully distributed: all control functions are applied at the physical location of each IDS component that is shown in Figure A given below.
-Partially distributed: combines two; while individual agents can analyze and respond to local threats, they report to hierarchical central facility to enable organization to detect widespread attacks that is shown in Figure B given below.
Figure A--Centralized IDS controls
Figure B--Fully Distributed IDS system
Figure C--Partially Distributed IDS system
ADVANCED RESEARCH PROJECT AGENCY (ARPA) The efforts of ARPA was to active all its research groups have accept to new era computers. For this purpose ARPA started investing in wa
Question : a) Below is a capture of an Ethernet II frame which contains an IPv4 packet and a TCP segment. Give the source MAC address for the frame in hexadecimal; the source I
LOG FILE MONITORS Log file monitor (LFM) is similar to NIDS. It reviews log files generated by servers, network devices, and even other IDSs for patterns and signatures. Pattern
Selecting a Risk Control Strategy Risk controls involve selecting one of the 4 risk control strategies for every vulnerability. The flowchart is shown in the figure given below
Question 1: (a) With the help of a diagram show the basic structure of a computer system. (b) Explain as fully as you can each of the parts mentioned above. (c) What are
Host-Based IDS A host-based IDS (HIDS) resides on a particular computer or server and monitors activity only on that system. HIDS also called as system integrity verifiers as th
Question a) From the capture below: Give the datagram source IP address, upper layer protocol, Total length in decimal and header checksum in hexadecimal; the segment source po
Question: (a) Besides privacy, what other security functions does Pretty Good Privacy (PGP) provides? (b) What is the Post Office Protocol (POP) used for? Why is it impo
Problem (a) Name the various layers of the OSI model. (b) Show, by means of a diagram, how the TCP/IP reference model is different from the OSI-7 reference model? Why is
Sometimes the special character may see in data and as a part of data they will be misinterpreted as packet data. The solution to this cause is Byte stuffing. In general to
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