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Deploying Host-Based IDSs-Proper implementation of HIDSs can be painstaking and time-consuming task .The process of deployment begins with implementing most critical systems first Installation continues until either all systems are installed, or the organization reaches planned degree of coverage it is willing to live MEASURING THE EFFECTIVENESS OF IDSIDSs are evaluated by using two dominant metrics:-Administrators evaluate number of attacks detected in the known collection of probes-Administrators examine level of use at which IDSs failEvaluation of IDS might read: at 100 Mb/s, IDS was able to detect 97 percent of directed attacks as developing this collection can be tedious, most IDS vendors provide testing mechanisms which verify systems are performing as expected. These testing processes allows administrator to:- Record and retransmit packets from virus or worm scan-Record and retransmit packets from a virus or worm scan with incomplete-TCP/IP session connections -Conduct a real virus or worm scan against an invulnerable system
what is guided media or unguided media
RISK ASSESSMENT Risk assessment is a step in a risk management technique. Risk assessment is the determination of quantitative or qualitative value of risk related to a concrete
1. Network Design Design your network giving appropriate IP addresses for your hosts. Provide a topology and table showing your addressing scheme. 2. F i re wall po
ARP RESPONSES Let's search out how does a computer know whether an incoming frame have an ARP message. The type field in the frame header defines that the frame contain an ARP
Code to implement Otway-Rees Key Exchange Protocol
Encryption Key Size When using ciphers, the size of crypto variable or key is quite important as the strength of many encryption applications and cryptosystems were measured by
DATAGRAM REASSEMBLY Recreation of original datagram is known as reassembly. Ultimate receiver acts reassembly as given below.Fragments can reach out of order. Header bit check
Question: (i) ‘Implementation' is a critical stage of the Systems Development Life Cycle. Show the four approaches which are commonly used to implement information systems in
Question: The Wired Equivalent Privacy (WEP) standard was created in order to give wireless networks safety and security features similar to that of wired networks. (a) L
Network security has become much more complex than ever before. New types and sources of network security threats, always-on high-speed Internet connections, wireless networking, a
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