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Computer networks based on VyOS and Cisco IOS operating systems
Jalovecký, Denis ; Dvořák, Jan (referee) ; Koláčková, Aneta (advisor)
This bachelor thesis focuses on configurations and issues of network protocols in operating systems of Cisco IOS and VyOS routers. One of the main goals include choosing the most appropriate emulator and installation of this emulator in virtual enviroment. The thesis also describes the properties and differences of protocols and their application in the network operating systems mentioned above. After learning about possibilities of emulations, two scenarios, in which the protocols were applied and analyzed, were created. These scenarios meet standard of a lab excersise which takes around one and a half hour. The most frequent issues and their solutions are mentioned as well. }
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New form of participation in restoration of small and middle cities
Chladil, Jan ; Sklenář, Vavřín (referee) ; Mgr.František Kubeš (referee) ; Urbášková, Hana (referee) ; Havliš, Karel (advisor)
Main goal is analyse of contemporary status in restoration of Low Austria and South Moravia and eduction of results for steps which are leading to successful restoration in future. Confrontation of present method in restoration of country Low Austria and South Moravia and sighting of current trends in restoration on european level can show the way to project, when we want to pass on experience and to indicate the support of restoration and to participace with restoration abroad. Creating of vision is really good satisfaction of the work. Between limit South Moravia and Low Austria we can see historical parallel. I tis famous time of Austria – Hungarian monarchy, but also eco - devastation without plans and agro culture. Small and middle small cities of South Moravia begins in time after revolution with searching of new identity, with searching of new ways how to hold out market rivalry to another cities. Rightly effort to unfold and develop current system after the fashion of friends from Low Austria.
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Wi-Fi Password Cracking
Šopf, Petr ; Tisovčík, Peter (referee) ; Orsák, Michal (advisor)
This bachelor's thesis deals with the issues of Wi-Fi networks security. The first part of thesis is about security options and issues related to those options. Next part compares most used tools for Wi-Fi attacks and lists features of those tools. Best tool is then used and software for sniffing communication between access point and client is created. Sniffing tool is created in two version, one version is used for standalone devices and another one for probe developed on FIT BUT.
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Universal module for sensoric data interchange via WiFi
Vitek, Juraj ; Jaroš, David (referee) ; Macháň, Ladislav (advisor)
This work describes the problems of data transmission via wireless networks. We discuss the theoretical background of computer networks, the base transmission protocols and their use. We also describe standards and mechanisms for wireless transmission and described in detail the procedure of data transfer via WiFi network. In practical part we describe prototype and the basic functions of the prototype its components.
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Multigateway routing system based on the Mikrotik router
Straník, Jan ; Novotný, Vít (referee) ; Jelínek, Mojmír (advisor)
This thesis deals with the routing of data traffic to multiple gateways with a network operating system MikroTik RouterOS, which has become widespread in the small firms and home users. It is aimed to describe the problem with using multiple gateways. RouterOS description itself and its core components needed to solve this issue, such as routing, packet marking and quality assuranceservices. It also deals with the description of the particular design and testing. The proposedsolution is verified on the example of a real situation. Finally, the proposed solution is compared to alternative solutions, commonly used in practice.
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TCP/IP Layer for FPGA
Kekely, Michal ; Korček, Pavol (referee) ; Kajan, Michal (advisor)
This bachelor thesis deals with the design and implementation of network communication using network protocols TCP and IP in hardware. Goal of this thesis is to design and implement unit capable of this sort of network communication using aforementioned protocols in FPGA and also to test and verify it. Outcome should give hardware devices, which don't have access to suitable software, the opportunity to communicate using computer networks.
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HTTP Application Anomaly Detection
Rádsetoulal, Vlastimil ; Homoliak, Ivan (referee) ; Očenášek, Pavel (advisor)
The goal of this work is to introduce anomaly detection principles and review its possibilities, as one of the intrusion detection methods in HTTP traffic. This work contains theoretical background crucial for performing an anomaly detection on HTTP traffic, and for utilising neural networks in achieving this goal. The work proposes tailored design of an anomaly detection model for concrete web server implementation, describes its implementation and evaluates the results. The result of this work is successful initial experiment, of modeling normal behavior of HTTP traffic and creation of the mechanism, capable of detection of anomalies within future traffic.
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Microelectronic Wireless Networks for Telemetry and Buildings Automation
Šulc, Vladimír ; Sýkora, Jiří (referee) ; Zeman, Václav (referee) ; Kuchta, Radek (advisor)
The thesis deals with a microelectronic wireless networks for telemetry and building automation in terms of energy consumption related to the communication in wireless networks. Assumption, mesh topology is optimal topology for wireless networks for telemetry and building automation, was proven and relation between energy consumption and devices management was shown and functional abstraction related to the energy consumption was described. Several advanced techniques and solutions on physical and network layers were proposed to increase network reliability and decrease power consumption. Proposed techniques can be easily implemented.
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Network Protocol Analyzer
Sobotka, Miroslav ; Žádník, Martin (referee) ; Tobola, Jiří (advisor)
The thesis deals with the identification of network protocols, which are superior to the family of TCP/IP protocols. The first part of the work describes possible techniques and identification procedures, which are afterwards applied in design of the network protocols analyzer. Next part of the work is engaged in the implementation and testing of the analyzer. The abovementioned analyzer is intended for GNU/Linux and for its work makes use of libpcap and libpcre libraries. In the conclusion of the thesis there are discussed results of speed and precision, occurred problems and possible improving of the program.
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Linux encryptor for network traffic
Suchý, Daniel ; Malina, Lukáš (referee) ; Hajný, Jan (advisor)
This bachelor's thesis deals with the possibilities of encrypting network traffic on the Linux platform. The goal is to create a virtual machine that can encrypt incoming traffic and send it to it‘s destination. Encryption of network traffic was implemented using the ip-xfrm framework in the form of encryption of the packet’s payload. The encryption algorithm chosen was AES-256 with a key generated and established using QKD. For the possibility of expanding the functionality of the encryptor for multiple clients, a VPN server was implemented on the encryptor.
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