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Analysis of geolocation databases
Zima, Štefan ; Červenka, Vladimír (oponent) ; Komosný, Dan (vedoucí práce)
This thesis is focused on collecting data from commercial geolocation databases and its analysis. The theoretical part discusses techniques of IP geolocation, briefly describes commercial geolocation databases and mechanisms for accessing their geolocation services. The practical part of this thesis involves implementation of scripts for collecting and modification data retrieved from commercial geolocation databases for further analysis. First script collects the data and store them in output files in specified format. Second script modifies gathered data to achieve better accuracy. Detailed analysis is performed afterwards. Analysis is performed at several levels. This includes country, region and city accuracy as well as accuracy on latitude and longitude parameters. Output of this analysis will be conclusive, and will also display accuracy of tested geolocation services. The aim of this thesis is to analyze currently available commercial geolocation services and to prove their accuracy. Used scripts are implemented in Python programming language in version 3 using modules urllib, re and json. Scripts are test on commodity hardware with Linux operating system.
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Analysis of geolocation databases
Zima, Štefan ; Červenka, Vladimír (oponent) ; Komosný, Dan (vedoucí práce)
This thesis is focused on collecting data from commercial geolocation databases and its analysis. The theoretical part discusses techniques of IP geolocation, briefly describes commercial geolocation databases and mechanisms for accessing their geolocation services. The practical part of this thesis involves implementation of scripts for collecting and modification data retrieved from commercial geolocation databases for further analysis. First script collects the data and store them in output files in specified format. Second script modifies gathered data to achieve better accuracy. Detailed analysis is performed afterwards. Analysis is performed at several levels. This includes country, region and city accuracy as well as accuracy on latitude and longitude parameters. Output of this analysis will be conclusive, and will also display accuracy of tested geolocation services. The aim of this thesis is to analyze currently available commercial geolocation services and to prove their accuracy. Used scripts are implemented in Python programming language in version 3 using modules urllib, re and json. Scripts are test on commodity hardware with Linux operating system.
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Nástroj pro odposlech obsahu komunikace
Zima, Štefan ; Kajan, Michal (oponent) ; Polčák, Libor (vedoucí práce)
Táto práce je zaměřena na tvorbu nástroje pro odposlech obsahu síťové komunikace. Rozebíra problematiku zákonných odposlechů a techniky urýchlení zpracování příchozího provozu v prostředí operačního systému Linux. Zaměřuje se na implementační techniky s využitím knihovny PF_RING. Aplikace je implementovaná v jazyce C a pak testována na komoditním hardvéru s využitim generátoru provozu.
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