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Counteracting DDoS Attack in .kr

Counteracting DDoS Attack in .kr. ATPLD Kuala Lumpur 2010. 3. 2. Agenda. 1. KISA(Korea Internet & Security Agency of Korea). 2. Background & Case of DDoS Attack in Korea. 3. .kr DNS DDoS Protection Project 2010. 4. Q & A. 1. KISA(Korea Internet & Security Agency of Korea).

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Counteracting DDoS Attack in .kr

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  1. Counteracting DDoS Attack in .kr ATPLD Kuala Lumpur 2010. 3. 2

  2. Agenda 1. KISA(Korea Internet & Security Agency of Korea) 2. Background & Case of DDoS Attack in Korea 3. .kr DNS DDoS Protection Project 2010 4. Q & A

  3. 1. KISA(Korea Internet & Security Agency of Korea) • KISA is a government agency of Korea • Merged three Agency in to one in July 2009 • KISA, NIDA, KIICA • Main roll • Internet address resource management • Internet business development • Internet Security & Protection (KrCERT) • International Internet Relation & Out Reach

  4. 2. Case of DDoS attack in Korea • Non targeted • 1/25, 2001 Major ISP has been attacked • Targeted for Money • Online game Item trade site • Home stock trading system • Internet Banking system • Targeted to Government & Major ISP (7.7) • 12~14 Government Website being attacked • Including major Internet Portal site & banking

  5. 2. Case of DDoS attack in Korea 7.7 DDoS Attack overview • Attack duration 7th ~ 10th of July • Estimation of 180,000 Zombie PC were used • 7.7 DDoS Attack specification • Per one Zombie PC : 103 pps, 18.5Kbyte/sec • Http Get Flooding : 20 pps, 12Kbyte/sec • Http(TCP 80) Flooding : 40 pps, 3.6Kbyte/sec • UDP 80 Flooding : 20 pps, 1.4Kbyte/sec • ICMP Flooding : 23 pps, 1.5Kbyte/sec

  6. 2. Case of DDoS attack in Korea • kr DNS Query per day (Millions)

  7. SUPPORTS IPv6, IPv4 IPv4 Only 3. .kr DNS DDoS Protection Project 2010 Deploy 3 more Anycast site in total to be 14 sites G, Seoul (KISA) 20Gbps B, Seoul (KT) D, Seoul (KINX) G Mirror, Frankfurt (DENIC) X 2 D,E,G Seoul G Mirror, Dulles (VeriSign) F, Seoul (Hanaro) E Mirror, Beijing (CNNIC) C, Anyang (Dacom) D Mirror, Red Wood (ISC) D Mirror, Singapore (SGNIC) E, Daejeon (KISTI) E Mirror, São Paulo (Registro.br)

  8. Thank you Q & A Han Sang Lee leehs@kisa.or.kr

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