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National Repository of Grey Literature 2 records found  Search took 0.02 seconds. 
Detection and Automatic Analysis of Network Scans
 Procházka, Aleš ; Kováčik, Michal (referee) ; Krobot, Pavel (advisor)
This bachelor thesis is focused on a computer network monitoring that utilizes flows. Firstly, there is a framework Nemea described, which can be used to build a complex system for network attack detection, and whose module is developed within the thesis. Secondly, port scanning is explained and different methods that can be used to scan ports are defined. The module is designed to detect horizontal scanning. The idea behind this method is to compare a unique number of destination IP addresses, which were asked for with a specific port, with a given threshold in a specific time window. Finally, in the practical part of the thesis the implementation of the module is described and results of the experiments on real data from Cesnet are presented.
Detailed record
Detection and Automatic Analysis of Network Scans
 Procházka, Aleš ; Kováčik, Michal (referee) ; Krobot, Pavel (advisor)
This bachelor thesis is focused on a computer network monitoring that utilizes flows. Firstly, there is a framework Nemea described, which can be used to build a complex system for network attack detection, and whose module is developed within the thesis. Secondly, port scanning is explained and different methods that can be used to scan ports are defined. The module is designed to detect horizontal scanning. The idea behind this method is to compare a unique number of destination IP addresses, which were asked for with a specific port, with a given threshold in a specific time window. Finally, in the practical part of the thesis the implementation of the module is described and results of the experiments on real data from Cesnet are presented.
Detailed record

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