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IDS RESPONSE BEHAVIOROnce IDS detects an anomalous network situation, it has a number of options. IDS responses to external stimulation can be classified as active or passive.
-Active response is a definitive action initiated when certain types of alerts triggered for example collecting additional information about the intrusion, taking action against intrusion.-Passive response options simply report for example setting off alarms, collecting passive data.
A list of response options for IDS is as follows-Audible/visual alarm-E-mail message-Page or phone message-Evidentiary packet dump-Terminate session-Take action against the intruder-Launch program-SNMP traps and plug-ins-Reconfigure firewall-Terminate connection
Internet Protocol IP Gives computer-to-computer communication. Host and receiver addresses are computers. This is also known machine-to-machine communication.
A digital signature is a stamp on the data, which is unique and very hard to forge. A digital signature has 2 steps and creates 2 things from the security perspective. STEP 1
Question 1 a) Provide three advantages of using optical fiber. b) Distinguish between "Direct Sequence Modulation" and "Frequency Hopping" c) Decribe the purpose of using "
Network-Based IDS (NIDS) A NIDS resides on computer or appliance connected to segment of an organization’s network and looks for signs of attacks. While examining packets, a NID
ROUTING TABLE For efficiency, information about forwarding is saved in a routing table, which is started at system initialization and must be updated as network topology modif
Question: (a) Your office administrator is being trained to take server backups. Which authorization model could be ideal for this situation: MAC, DAC or RBAC? Justify your a
UDP DATAGRAM FORMAT: It is given in the figure below:
explaain it?
Discuss how developers should apply the following countermeasures to improve the security of their code:
Mapping between a hardware address and a protocol address is known Address Resolution. A router or host uses address resolution when it requires to transmit a packet to another dev
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