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Wi-Fi devices have limited battery life because of which conserving battery life is imperative. The 802.11 Wi-Fi standard provides power management feature that allows stations U+0028 STAs U+0029 to enter into sleep state to preserve energy without any frame losses. After the STA wakes up, it sends a null data or PS-Poll frame to retrieve frame U+0028 s U+0029 buffered by the access point U+0028 AP...
Improving Transmission Control Protocol (TCP) robustness and evaluation of its performance under attacks such as Denial-of-Service, Degradation-of-Service etc. has always been an area of active research. In this paper, we analyze a variant of degradation of service attacks against TCP that makes use of forged duplicate acknowledgments in order to degrade the throughput of an on-going connection. The...
Media Access Layer (MAC) vulnerabilities are the primary reason for the existence of the significant number of Denial of Service (DoS) attacks in 802.11 Wi-Fi networks. In this paper we focus on the de-authentication DoS (Deauth-DoS) attack in Wi-Fi networks. In Deauth-DoS attack an attacker sends a large number of spoofed de-authentication frames to the client (s) resulting in their disconnection...
Wi-Fi networks are prone to a large number of Denial of Service (DoS) attacks due to vulnerabilities at the MAC layer of 802.11 protocol. In this paper we focus on the De-authentication DoS attack in Wi-Fi networks. The impact of de-authentication DoS attack is severe as the victim gets disconnected from the network. This attack can be launched easily using minimal resources. In this paper we propose...
Low rate TCP-targeted denial of service attack is a cleverly crafted attack in which an attacker exploits congestion avoidance algorithm and uniformity of min RTO in Transmission Control Protocol(TCP). Attacker congest the network for a brief period of time then keep quiet for some time. This phenomenon is repeated after min RTO time. This attack causes degradation of service and denial of service...
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