نتایج جستجو برای: dos
تعداد نتایج: 127092 فیلتر نتایج به سال:
The development of Information and Communications Technologies (ICT) has affected various fields including the automotive industry. Therefore, vehicle network protocols such as Controller Area Network (CAN), Local Interconnect Network (LIN), and FlexRay have been introduced. Although CAN is the most widely used for vehicle network protocol, its security issue is not properly addressed. In this ...
This paper describes and analyzes a new mechanism to mitigate flooding Denial of Service (DoS) attacks against the Domain Name System (DNS). This mechanism is based on increasing the Time To Live (TTL) value of end-host IP addresses (DNS A records) when a name server is being overloaded with DoS attack traffic. This mechanism is most suitable for popular name servers providing authoritative DNS...
Electron tunneling experiments are used to probe Coulomb correlation effects in the single-particle density-of-states (DOS) of boron-doped silicon crystals near the critical density nc of the metal-insulator transition (MIT). At low energies (ε ≤ 0.5 meV), a DOS measurement distinguishes between insulating and metallic samples with densities 10 to 15 % on either side of nc. However, at higher e...
A investigação fitoquímica do extrato metanólico das folhas de Annona dioica (Annonaceae) resultou na identificação dos flavonóides kaempferol (1), 3-O-[3",6"-di-O-p-hidroxicinamoil]β-galactopiranosil-kaempferol (2), 6"-O-p-hidroxicinamoil-β-galactopiranosil-kaempferol (3) e 3-O-β-galactopiranosil-kaempferol (4). As estruturas foram caracterizadas inequivocamente através de análises espectroscó...
Neste limiar da era nanotecnológica, o planejamento molecular dos materiais e os estudos de moléculas isoladas estão abrindo imensas possibilidades no emprego de sistemas moleculares em dispositivos eletrônicos e fotônicos, bem como em aplicações tecnológicas baseadas em propriedades de chaveamento ou reconhecimento molecular. Com esse escopo, os químicos inorgânicos em particular, podem aplica...
802.1x is a security protocol based on the frame structure of 802.11. It attempts to provide strong authentication, access control, and WEP key management for Wireless LANs. Unfortunately, 802.1x misses its goals in access control denial of service (DoS) attacks. Currently, there are no IEEE approved ways to solve the security hole. We propose a Central Manager (CM) not only to take the respons...
Denial of Service (DoS) attacks serve to diminish the ability of the network to perform its intended function over time. As DoS attacks may permeate the veil of the Internet of Things (IoT) devices from the broader internet, it is vital that these devices are able to mitigate these attacks. If such a network of IoT devices were to fail during time of need, lives of patients, war fighters, or th...
Design and analysis of a replicated elusive server scheme for mitigating denial of service attacks q
The paper proposes a scheme, referred to as proactive server roaming, to mitigate the effects of denial of service (DoS) attacks. The scheme is based on the concept of ‘‘replicated elusive service’’, which through server roaming, causes the service to physically migrate from one physical location to another. Furthermore, the proactiveness of the scheme makes it difficult for attackers to guess ...
The objective of this article is to discuss effective communication strategies between elderly patients and their physicians from the perspective of osteopathic heritage. The patient-physician communication styles of Andrew Taylor Still, MD, DO, and early osteopathic physicians (ie, DOs) may have influenced how DOs today communicate with their patients. Historical literature describes how Still...
We report valence and conduction band densities of states measured via ultraviolet and inverse photoemission spectroscopies on three metal halide perovskites, specifically methylammonium lead iodide and bromide and cesium lead bromide (MAPbI3, MAPbBr3, CsPbBr3), grown at two different institutions on different substrates. These are compared with theoretical densities of states (DOS) calculated ...
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