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Detekce nežádoucích požadavků na webu
Slovák, Michal ; Setinský, Jiří (referee) ; Hranický, Radek (advisor)
This thesis deals with the development of a classifier for detecting unwanted requests to a web server using machine learning methods. This approach requires the creation of an annotated dataset and the analysis of common features and characteristics of illegitimate requests that can be used to categorize them. Furthermore, the paper deals with the selection of an appropriate classification algorithm. The resulting model achieves a weighted F1 score of 99.95 %, is reliable and fast, making it suitable for practical deployment.
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HTTP Implementation with a Local Cache
Šváb, Michal ; Burgetová, Ivana (referee) ; Burget, Radek (advisor)
This thesis describes problems of HTTP 1.1 protocol implementation with local cache. It describes creation of application programming interface for sending requests and receiving responses. Each response, that meets certain criteria is stored locally and then used for another requests for same document. The protocol is implemented in Java programming language, supporting version 5 and higher.
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HTTP Analyzer with Web User Interface
Žižka, Martin ; Straka, Martin (referee) ; Tobola, Jiří (advisor)
This thesis provides a issue of the analysis HTTP traffic. It describes the principle and the procedure of HTTP protocol. It is interested in the structure and function of the existing tool for the analysis HTTP traffic HTTPry. It is also interested in the extension of the HTTPry tool about saving records in the database MySQL, IPv6 protocol maintenance and the VLAN technology. It also describes the methods of the testing tool and compares achieved results of modified version with the original tool version. It mentions the proposal and implementation of the information system, which views the captured informations. In the end, there are the results and another opinions of the extension discussed.
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Monitoring system of network nodes for stress testing
Svozil, Jiří ; Člupek, Vlastimil (referee) ; Sikora, Marek (advisor)
This thesis is focused on the design, implementation and testing of a system specifically designed for the collection, storage and transmission of server data. The aim of this system is to provide users with a simple and efficient means of monitoring and storing essential server information, which can later be transmitted for further use. The work deals with the design and creation of software for collection, transmission and storage of the measured data.
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Analyzujte možnosti aplikace strojového učení na load-balancing
Sýkora, Jan ; Pecinovský, Rudolf (advisor) ; Šlajchrt, Zbyněk (referee)
Both machine learning and HTTP load balancing are well known and widely researched concepts and methods. My diploma thesis addresses possible applications of machine learning to HTTP load balancing. The main objective is to find a method to achieve better utilization of load balancing. This objective can reduce monetary costs and provide better stability of a load balanced system. In the first part, machine learning workflow and methods are described in order to analyze whether such methods could be applied to load balancing systems. After that, the current state of HTTP load balancing methods and strategies is outlined. Finally, a load balancing method using machine learning is designed and tested. The method is based on the least loaded approach using predicted values to balance HTTP traffic, the machine learning models were selected by using a grid search to find the most accurate models. These meth-ods were tested and performed well in comparison to other methods. The tests were conducted with over a hundred machine learning models, not all models were accurate or had short enough learning times. Lacking those factors deemed them unsuitable for later tests. The models were compared based on measured utilization and performance metrics for regression based machine learning models. The designed method could be applied to real world systems, however, it would require defining a domain specific metric. The applications should also employ a grid search in order to find the most accurate machine learning model.
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HTTP Implementation with a Local Cache
Šváb, Michal ; Burgetová, Ivana (referee) ; Burget, Radek (advisor)
This thesis describes problems of HTTP 1.1 protocol implementation with local cache. It describes creation of application programming interface for sending requests and receiving responses. Each response, that meets certain criteria is stored locally and then used for another requests for same document. The protocol is implemented in Java programming language, supporting version 5 and higher.
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HTTP Analyzer with Web User Interface
Žižka, Martin ; Straka, Martin (referee) ; Tobola, Jiří (advisor)
This thesis provides a issue of the analysis HTTP traffic. It describes the principle and the procedure of HTTP protocol. It is interested in the structure and function of the existing tool for the analysis HTTP traffic HTTPry. It is also interested in the extension of the HTTPry tool about saving records in the database MySQL, IPv6 protocol maintenance and the VLAN technology. It also describes the methods of the testing tool and compares achieved results of modified version with the original tool version. It mentions the proposal and implementation of the information system, which views the captured informations. In the end, there are the results and another opinions of the extension discussed.
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