The Development of a Secure Internet Protocol (IP) Network Based on Asterisk Private Branch Exchange (PBX)
Yakubova M. Manankova O. Mukasheva A. Baikenov A. Serikov T.
October 2023Multidisciplinary Digital Publishing Institute (MDPI)
Applied Sciences (Switzerland)
2023#13Issue 19
The research problem described in this article is related to the security of an IP network that is set up between two cities using hosting. The network is used for transmitting telephone traffic between servers located in Germany and the Netherlands. The concern is that with the increasing adoption of IP telephony worldwide, the network might be vulnerable to hacking and unauthorized access, posing a threat to the privacy and security of the transmitted information. This article proposes a solution to address the security concerns of the IP network. After conducting an experiment and establishing a connection between the two servers using the WireShark sniffer, a dump of real traffic between the servers was obtained. Upon analysis, a vulnerability in the network was identified, which could potentially be exploited by malicious actors. To enhance the security of the network, this article suggests the implementation of the Transport Layer Security (TLS) protocol. TLS is a cryptographic protocol that provides secure communication over a computer network, ensuring data confidentiality and integrity during transmission. Integrating TLS into the network infrastructure, will protect the telephone traffic and prevent unauthorized access and eavesdropping.
Asterisk , IP telephony , Private Branch Exchange based on Internet Protocol (IP PBX) , security , Session Initiation Protocol (SIP) , Transport Layer Security (TLS) , Wireshark
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Department of Information Technology, Almaty University of Power Engineering and Telecommunications Name after Gumarbek Daukeev, Almaty, 050010, Kazakhstan
Department of Telecommunications and Space Engineering, Almaty University of Power Engineering and Telecommunications Name after Gumarbek Daukeev, Almaty, 050010, Kazakhstan
School of Information Technology and Engineering, Kazakh-British Technical University, Almaty, 050000, Kazakhstan
Electronics and Telecommunication Department, S. Seifullin Kazakh AgroTechnical Research University, Astana, 010011, Kazakhstan
Department of Information Technology
Department of Telecommunications and Space Engineering
School of Information Technology and Engineering
Electronics and Telecommunication Department
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