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ʽDNS

ߣwy  Դ  ڣ2019-01-28 08:31:00
λǵ۾ǵʽDNSʮΣʱпܱըĵʮСΪĹԷdzǿпʹϵͳ豸ȵȶпܵصв

Ȼŷ޷ʼ֯SpamhausĴģDDoSΣ̶ȲڴƵôǴ¼ֵùעԭDZ¶ڶڵеļһǿʽDNSֽΪһΪDNSŴ(DNS amplification)Ĺַṩ˿ɳַָֹ֮Ŀÿⷢ1ֽ߾ЩͶ100ֽڵӵ

мרӰй֯᲻ῪʼһʵԵķʽЩӶİȫĿԴźҪƻԺΣԸİȫ¼Żʹй֯ж

˹ȫվThreat Postһƪʵıdzؽ˿ʽDNSŴ󹥻SpamhausDDoSаݵĽɫ

ⷽϢϢصһձԵ뿪ʽDNSʿҷʼ֯DDoSйʽͻDNS֮ǰݰߵIPַ֤ƭܺIPַܹܺ߷ʹĹ֮ȴﵽ1001DNSŴ󹥻ڿжթԼ˺վʹҴɹ

ʽDNSĿ֯Jared MauchThreat PostSpamhausĽʬʹ30000صDNS"ʵʩһΧĹЩĹܻͬᱻȫĴ󲿷ϵͳ̱"

Threat Post취ǣ"ʽDNSĿ֯֯(DNSṩAfilias)ʵʩԴַ֤ѴڵIETF RFC, BCP-38ȷʹԴַ֤ԼνּܹԴIPԴַƭַ"

ϵͳԱTrevor PottThe RegisterվϷһƪʵIJ̹ԼΪDDoSİ"ڴλԵϵһ̨DNSʱһ򵥵ô"֮Ϊ䵱·"Եϴ"(edge scrubber)ķ·ַIPַϵ豸"˸"ֻ"Ĺ"/ʱⲿDNSԵʹ

ʾ˽÷ϵĵݹѯʹ̨˱DNSŴ󹥻õһͣ"DNSֻܹʽеһַʽһֿܵDNSֻΪĶṩ(ʽ)һDNSṩЩڸ㷺ĻѰԭȨκ(ݹʽ)ǵݹʽDNSûҲһֹ;"

ϸؽ޸̨ڵ֮ԴּٶBIND(ʵDNSЭϵͳ)Ĭ½õݹ;취Ҫ"ָBINDֻķĵݹ"

СƵһҪץסƼͲƷһһһ㻹ܸȤĻһҪĶƪΪܸ޾֪ʶ

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