Denial-of-Service attacks and Distributed Denial-of-Service attacks are serious security problems over the Internet due to their nature. They are easy to implement, hard to prevent, and very difficult to trace. This paper describes Denial-of-Service attacks and Distributed Denial-of-Service attacks and presents various traceback that are proposed to identify the sources of theses attackers in t...

Recent network denial-of-service attacks have brought about awareness of the vulnerability of increasingly important network services. While denial of service is not a new problem, and some of the network aspects of denial of service have been addressed, there is currently no unifying definition of what constitutes network denial of service. The goal of this paper is to propose a definition of ...

The huge damage of denial of service attacks in security protocols attracts researchers’ attention and effort to analysis, verification and prevention of denial of service attacks. In order to model resistance of denial of service attacks, firstly, we extend applied pi calculus from both adversary context and processes aspects; secondly, the first computer-aided method of resistance of denial o...

Within a framework of reasoning with respect to clausal definitions of atoms, four forms of judgement are distinguished: Direct and indirect assertion, and direct and indirect denial. Whereas direct assertion and direct denial are established by directly applying a definitional clause (“definitional closure”), indirect assertion and indirect denial result from showing that all possible premisse...