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Network Intrusion Detection System Omar ISMAIL Internet Engineering Lab Graduate School of Information Science Nara Institute of Science and Technology.

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Presentation on theme: "Network Intrusion Detection System Omar ISMAIL Internet Engineering Lab Graduate School of Information Science Nara Institute of Science and Technology."— Presentation transcript:

1 Network Intrusion Detection System Omar ISMAIL Internet Engineering Lab Graduate School of Information Science Nara Institute of Science and Technology Nara, Japan 20 th June NAIST

2 Outline NAIST 20 th June What is NIDS? Why it is important? Snort Deployment at AI3 Cases Explained Need exporing tools? Future work

3 Network Intrusion Detection System(NIDS) NAIST 20 th June IDS : A tool that knows how to read and interpret the log files Types of IDS : Network-IDS, Host-IDS and Distrubuted-IDS NIDS : Monitors network backbones and looking for attack signitures What is IDS and NIDS Why are intrusion detection system important? Just think about cancer Why we only choose NIDS? AI3-NAIST has been a middle point between Japan and the other partners

4 Snort(1) NAIST 20 th June What and Why Snort? Very popular, signiture based, Full fledged, and open-source NIDS Packet sniffer, packet logger and NIDS Snort Packet Decode Engine Preprocessor Plug-ins Detection Engine Detection Plug-ins Output plug-ins

5 Snort(2) NAIST 20 th June Performance Considerstion: Snort is version 2 now. Preprocessing Ability and Plug-ins make Snort faster and more effective. Also, by using switches and tapping, Snort is also very effective in high-speed network.

6 NAIST 20 th June Deployment Nara Main Segment SFC Segment Snort Nara Backbone To Satellite

7 NAIST 20 th June Deployment Nara Main Segment SFC Segment Snort1 Nara Backbone To Satellite Snort2

8 Cases Explained NAIST 20 th June Present the alert data...

9 NAIST 20 th June Future Work Make the output human readable Set up Distributed-IDS at AI3


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