Suojautuminen Distributed Denial of Service Attackia vastaan tunnelointiin perustetun uudelleen lähettämisen ympäristössä

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.advisor Peuhkuri, Markus
dc.contributor.author Keshvari Ghalati, Firoozeh
dc.date.accessioned 2012-07-02T08:28:29Z
dc.date.available 2012-07-02T08:28:29Z
dc.date.issued 2011
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/3732
dc.description.abstract Today, attacks are a harmful element of the computer networks. Distributed Denial of Service (DDoS) attack is one of the most harmful attacks. Many defense mechanisms have been proposed to mitigate the effect of the attacks. 2In this thesis, we study two methods for defending against DDoS attacks. First, we identify the attack packets to detect a DDoS attack by checking the TTL value of incoming packets and monitoring the number of new source IP addresses of incoming packets. Second, we propose an algorithm to traceback the attack traffic to identify the source IP address of origin by deploying a tunneling based protocol. The tunneling based protocol is called the Locator/Identifier Separation Protocol (LISP) and it is deployed in a domain network to encapsulate all outgoing packets decapsulate all incoming packets. As a side-effect the tunneling protocol reveals the ingress point of attack traffic. We also analyzed the approach in a simulation environment and compare the results in the domain network when deploying the tunneling based protocol. en
dc.format.extent 61
dc.format.mimetype application/pdf
dc.language.iso en en
dc.publisher Aalto University en
dc.publisher Aalto-yliopisto fi
dc.title Suojautuminen Distributed Denial of Service Attackia vastaan tunnelointiin perustetun uudelleen lähettämisen ympäristössä fi
dc.title Defending against Distributed Denial of Service Attack Under Tunnel Based Forwarding en
dc.type G2 Pro gradu, diplomityö fi
dc.contributor.department Tietoliikenne- ja tietoverkkotekniikan laitos fi
dc.subject.keyword distributed denial of service attack en
dc.subject.keyword traceback en
dc.subject.keyword TTL en
dc.subject.keyword LISP protocol en
dc.identifier.urn URN:NBN:fi:aalto-201207022698
dc.type.dcmitype text en
dc.programme.major Tietoverkkotekniikka fi
dc.programme.mcode S-38
dc.type.ontasot Diplomityö fi
dc.type.ontasot Master's thesis en
dc.contributor.supervisor Kantola, Raimo
dc.location P1 fi


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