ddos - fod€¦ · ddos by type of network nrens interconnects gÉant 81 183 641 509 143 1,877...
TRANSCRIPT
Networks·Services·Peoplewww.geant.org
GEANTInforma.on&InfrastructureSecurityTeam
CEEPeeringDays
DDoSMi:ga:onToolDDoS-FoD
Budapest,March30th2016
EvangelosSpatharas
Networks·Services·Peoplewww.geant.org 2
WhoisGÉANT?
Networks·Services·Peoplewww.geant.org
NetworkAAacks
GÉANT
DNS,NTP,SMTPandotheramplifica:onaKacks..
4
55%40%
5%
DDoSbyTypeofNetwork
NRENs
Interconnects
GÉANT
81 183 641 509 143
1,877
4,862 4,723
0
1000
2000
3000
4000
5000
6000
Apr-19 May-19 Jun-19 Jul-19 Aug-19 Sep-19 Oct-19 Nov-19
NoofAAacksperM
onth
April2015-October2015
DDoSAAacksDetected
Networks·Services·Peoplewww.geant.org
GÉANT’sSecurityApproach
Interconnect
Transit
??
7
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DefendingGÉANT
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DefendingGÉANT
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Preventa.veControls-Zones
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NumberofVulnerableSystembyOS
• Assetmanagement• AreasofaKen:on• Monthlyscans
Preventa.veControls–Others
Others
• uRPF• Bogons• Spoofing• Etc
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Detec.on
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NetFlowMonitoring+ADS
FlowMon
• NetFlowv9• 33JuniperMXs• >900Mflowsperday• 1:100samplingrate• Entrypoints• Fan-outforothertools• Notjustanomalydetec:ontool• Alerts• Redundacy?• Manymethods..
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NetFlowAlerts+AutomatedTickets=NSHaRP
! Basedoncri:cality! Perclientbasis! Automa:cclosure! MainlyanNRENservice! Dailyreports
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Mi.ga.on
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Chainarchitecture
• Head"Middle"Tail• Audi:ng• Troubleshoo:ng• Deployment
ACLs–ChainArchitecture
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Sta.s.cs
• 6RTBH-eddes:na:ons• ~3billionsofpacketsblocked
Countersreseteveryweek!!
RTBH
Other
• UTRSservice–TeamCYMRU• CogentRTBHservice• Etc.
Networks·Services·Peoplewww.geant.org
fod.geant.netBGPFlowspec-FoD
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FoDWEBGUI
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FoDDemoTime
DemoTime!
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Underthehood–CurrentStatus
IXA
GÈANTInternet
IXB
NRENA
Flowspec
FoD
NSHaRP/other
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Upgrade–FuturePlans
IXA
GÈANTInternet
IXB
NRENA
Flowspec
FoD
NSHaRP&RepShield
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LessonsLearned
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WhatdoYOUthink?
WhatdoYOUthink?
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Q&A
Networks·Services·Peoplewww.geant.org
Thankyou
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23
GEANTInforma:on&InfrastructureSecurityTeam