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Configurable Security Email Proxy
Židek, Stanislav ; Samek, Jan (referee) ; Cvrček, Daniel (advisor)
This bachelor thesis deals with design and implementation of multiuser configurable system capable of securing communication via electronic mail. Emphasis is put especially on remote configuration. It also describes existing protocols used for this communication and some of the mechanisms that can secure this communication from different points of view.
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International Alphabets in Network Traffic Monitoring
Talašová, Irena ; Vrána, Roman (referee) ; Polčák, Libor (advisor)
This work deals with the implementation of support for network identifiers containing national characters in the SProbe software project, which is designed to monitor network flows. It was necessary to test and evaluate the status of selected network applications working over SMTP, POP3, IMAP, FTP or SIP protocols. On the basis of the information obtained, an extension of the current software project SProbe was proposed - a module to support network traffic monitoring with national alphabet characters. The proposed solution was then implemented and the functionality of the entire resulting system was tested. In addition, this work proposes and implements a modification of the test environment for faster and more efficient testing of the system focusing on tests containing diacritics.
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Control and monitoring unit for optical link station
Podzimek, David ; Vařacha, František (referee) ; Prokeš, Aleš (advisor)
The aim of Master thesis "Control and monitoring unit for optical link station" is a web server, enabling communication microcontroller with the user. The communication is based on TCP/IP model. Work an overview of the various parts of the TCP/IP model. The main part of this work is devoted to the software created. The core of unit are microcontroller C8051F120 and ethernet controller CP2200 made by Silicon Laboratories.
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Protecting Local Network Using NetFlow
Hanousek, Vít ; Polčák, Libor (referee) ; Matoušek, Petr (advisor)
This bachelor's thesis deals with the use of NetFlow data for monitoring local networks. There is an analysis of the best known threads for a local network in the first part of the thesis. Detection algorithms based on signature NetFlow detection were implemented for the chosen threads. Four plugins for an open-source application NfSen are outputs of this thesis. These plugins detects the following threads: vertical and horizontal scans, dictionary based attacks on SSH protocol, spam machines.
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Open Call
Gajdošík, Andreas ; Rathouský, Luděk (referee) ; Sterec, Pavel (advisor)
In diploma thesis Open Call I focus on unequal position of artists in current art world in which, despite the transparent practices like open calls, still persists the cult of name, the power of networking and personal recommendation. This topic I artistically process in form of practical artistic intervention, which is close to the tactics of 1:1 scale of Arte Útil - specifically by creation of software tool called Nomin. Its purpose is to support weakened or marginalized groups of artists. Nomin uses properties of email protocol SMTP to allow its users-spectators to send fake self-recommending emails - from email addresses of famous curators to the inboxes various galleries or other art institutions. During development of program Nomin and its technical background (software documentation, web page etc.) I followed the paradigm of free, libre, open source software (FLOSS) and also the methodology of agile software development in order to provide in this gesamtsoftwerk the users-spectators with fully functional, user-friendly software and give them possibility to influence further development of Nomin or directly participate on it. Created artwork is thus not a single artefact but rather a set of interconnected objects and practices grounded in the network of social bonds and behaviours which balances on the edge of institutional critique, useful art, participatory art and collective performance.
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Network Protocols Semiautomatic Diagnostics
Svoboda, Ondřej ; Ryšavý, Ondřej (referee) ; Holkovič, Martin (advisor)
This thesis is about semiautomatic network protocol diagnostics and creating protocol description from eavesdropped communication. Several network eavesdropping techniques and some common programs for network analysis are introduced. Well-known network protocols are described, with focus on their communication messages. Some already existing methods for creating models from examples are mentioned and their characteristics defined. Next we design architecture of developed tool and some methods, that create protocol description. After that we explain implementation of this tool and finally the tool is tested and experimented with.
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Efficient Transport of Electronic Mail with Microsoft Exchange Plugin
Jakubis, Tomáš ; Homoliak, Ivan (referee) ; Kováčik, Michal (advisor)
This project discusses optimization of e-mail and SMTP traffic in proprietary product of Microsoft Exchange 2013 in regard of marine industry. The goal is at first to analyze the requirements of this service on slow and unreliable network connections, SMTP traffic and then the product itself. Afterwards it defines specification for the final product and prepares the test environment. Design and implementation of transport agent using Exchange Management Shell is described for synchronization of two installations of Microsoft Exchange 2013; and focuses on emerged problems during the development, discusses different approaches and possible solutions. Testing shows various shortcomings of found solution. Finally, analysis of final solution shows possible future improvements and a need of security upgrade before applying to production environment.
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Analysis and Visualization of e-Mail Marketing Campaigns
Urbanczyk, Martin ; Holkovič, Martin (referee) ; Hynek, Jiří (advisor)
The goal of this thesis is evaluating Posílátko.cz application and making extensions on the basis of thorough analysis and comparison of other similar products. This extensions are going to lead into increased user awareness of campagins state, so user can react accordingly. Extensions are going to be founded mostly on statistics data. Next I am going to implement campaign summary documents, where people can find all the data without logging into the application. So user can take this documents and present it easily on corporate consultations.
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