User manual

100
so.Checkthisboxandtherouterwillblockall
trafficswhicharetryingtoscanyourInternet
IPaddress.
SyncFlood Thisisanotherkindofattack,whichusesalot
offakeconnectionrequesttoconsumethe
memoryofyourserver,andtrytomakeyour
serverbecomeunusable.Checkthisboxand
therouterwillfilterthiskindoftrafficout.
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IfyouneedtospecifythedetailsofeveryDoSattack,pleaseclick‘AdvancedSettings’
button,andthefollowingsettingswillappear:


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Thedescriptionsofeverysetupitemarelistedbelow:
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ItemName Description
PingofDeath SetthethresholdofwhenthisDoSprevention
mechanismwillbeactivated.Pleasecheckthe
boxofPingofDeath,andinputthefrequency
ofthreshold(howmanypacketspersecond,
minute,orhour),youcanalsoinputthe‘Burst’
value,whichmeanswhenthisnumberof‘Ping

ofDeath’packetisreceivedinveryshorttime,
thisDoSpreventionmechanismwillbe
activated.
DiscardPingFrom
WAN
ChecktheboxtoactivatethisDoSprevention
mechanism.
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PortScan Manykindofportscanmethodsarelisted
here,pleasecheckoneormoreDoSattack
methodsyouwanttoprevent.