DNS noise: measuring the pervasiveness of temporary domains in modern DNS traffic

http://www.potaroo.net/ispcol/2016-03/zombies.html

“正常” 应用场景下的随机域名,如杀毒软件病毒库更新,短ttl

某些以“高频”重复查询,忽略ttl的查询

某些广告插件,临时生成uniq临时域名,只查一次

导致 cache 负担变重而无用 => 分级or热点



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Published

29 March 2016

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