University of Twente Student Theses
Measuring the impact of DDOS attacks on mail service infrastructures
Mavropoulos Papoudas, M. (2024) Measuring the impact of DDOS attacks on mail service infrastructures.
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| Abstract: | In this thesis, we designed a measurement infrastructure to observe and gauge the effectiveness of attacks on mail service infrastructures. Over a period of one month, we performed longitudinal measurements on a stable infrastructure consisting of roughly 2.5M MX Record IPv4 addresses. Over that same period, we also we performed reactive SMTP measurements on MX Record IPs corresponding to MTAs under attack, derived from CAIDA's RDDoS traffic. Based on deviations in the attack targets' RTT in the reactive and longitudinal SMTP measurements, we derived baseline thresholds to measure attack impact, both upon detection of the attack by the infrastructure, and for a period of roughly one day after each attack was originally detected. We further contextualized impact by performing three case studies on attacks with significant on their target hosts. We concluded that the infrastructure is overall resilient against DDoS attacks and that operation can be maintained in the face of these attacks. However, the case studies also highlighted the potential that such attacks have to greatly disrupt mail exchange. |
| Item Type: | Essay (Master) |
| Faculty: | EEMCS: Electrical Engineering, Mathematics and Computer Science |
| Subject: | 54 computer science |
| Programme: | Computer Science MSc (60300) |
| Link to this item: | https://purl.utwente.nl/essays/103392 |
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