A comparative study of remote access technologies and implementation of a smartphone app for remote system administration based on a secure RFB protocol

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November, 2015
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The study uses remote technologies to provide tremendous support for network administrators by implementing a secure remote system administration application that runs on android smartphones to aid them administer their servers remotely when they (network administrators) are out stationed using their smartphones. The android app developed in eclipse establishes a secure connection with a remote server running a PHP application. The app was developed based on the RFB protocol. The RFB protocol, a display protocol has some security lapses including being vulnerable to Man-In-The-Middle (MITM) attack using a few tools and techniques. This research therefore incorporated a self-signed Secure Socket Layer (SSL) certificate in the android app to enable secure encrypted connections to be established between the android app and the remote server to ensure end-to-end security against attacks such as Man-In-The-Middle (MITM). The whole system was deployed based on client-server architecture with the hand-held smart devices as clients, providing real-time network access to network administrators to their remote servers. The secure RFB protocol proposed and implemented in the android app was compared with other existing software for remote administration such as RDP and RFB protocols using ICMP ping command.
A Thesis submitted to the Department of Computer Science, Kwame Nkrumah University of Science and Technology in partial fulfilment of the requirements for the degree of Master Of Science In Information Technology, College of Science , 2015