Search of real network addresses of web applications using the CDN service

Authors

  • М. В. Антонішин
  • Я. Ю. Дорогий
  • О. І. Міснік
  • В. В. Цуркан

DOI:

https://doi.org/10.18372/2073-4751.65.15300

Keywords:

web application, network address, real network address, search for real network address, content delivery network

Abstract

In the following research, we have considered the problem of finding real network addresses of web applications. For this purpose, we have used a service, which based on providing content delivery to networks. Thus, the known solutions are analyzed, and their features of use are established. Among them, the focus of this service on speeding up the operation and security of web applications is highlighted. Taking into account these features, this issue is complicated by the focus on describing the technical capabilities of the already known solutions. This limits the detection of web application of configuration vulnerabilities. To prevent this, the capabilities of content delivery networks have been used. This use is based on redirecting HTTPS traffic through their servers and, as a result, hiding the real IP address of the web application. The most common implementations of the service based on content delivery networks are highlighted. The focus on the web application firewall is shown. Its applicability at the configuration of DNS requests and finding of real network addresses is established. Also, the most typical methods of their search are identified. Among them, the emphasis is placed on the use of services for viewing current and archival data of Internet resources; using MX records as sources of IP addresses; sending letters by e-mail to the specified (correct or incorrect) e-mail addresses; finding subdomains without a configured service of content delivery networks; obtaining an SSL certificate; using DNS name research tools. The implementation of these methods is demonstrated by the selected software. To do this, the criteria are introduced and their capabilities are compared. The results of using the selected software show the limitations of its functionality. To prevent this, it is recommended to combine methods of searching for real network addresses of web applications using the service of content delivery networks.

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