Analysis of Sync Flood Attack on Web Servers

Amadi E.C., Ugo C. C., Ezughalu E. E, Maduako C.

Abstract


Floodingattacksaremajorthreatson TCP/IP protocol suite these days;   Maximum attacks are launched throughTCPandexploittheresourcesandbandwidth of the machine. Flooding attacksare DDOSattacksandutilize the weaknessofthe networkprotocols.SYNfloodexploits the3-wayhandshakingoftheTCPbysendingmany SYNrequestwithIP spoofingtechniquetovictimhost and exhaustthebacklogqueueresourceoftheTCP anddeny legitimateusertoconnect. Capturing the packet flow is very important to detecting the DOS attack. This paperpresentsa review of how the TCPSYN flood takesplace and its devastating effect on webservers on the internet.


Keywords


SynFlood,Tcp/Ip,Ddos, Bandwidth, Protocol

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