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DNS と TLS のビミョーな関係
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Tomoyuki Sahara
July 24, 2015
Technology
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DNS と TLS のビミョーな関係
DNS Summer Days 2015 のライトニングトークの発表資料
Tomoyuki Sahara
July 24, 2015
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Transcript
%/4ͱ5-4ͷ Ϗϛϣʔͳؔ ࠤݪ۩ גࣜձࣾΠϯλʔωοτΠχγΞςΟϒ
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࡞͍ͬͯͯࠔͬͨ͜ͱɻ
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ͷରԠ͚͕ɺ
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ΩϞ ͍ͷ  ϫΠϧυΧʔυূ໌ॻ
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*.google.com news.google.com maps.google.com images.google.com video.google.com plus.google.com play.google.com
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࠷ڧͷূ໌ॻ “*”
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RFC2818 3.1.: Names may contain the wildcard character * which
is considered to match any single domain name component or component fragment.
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PPS Y
࣮ґଘPS[
”*.jp”ͱ͍͏ϫΠϧυΧʔυূ໌ॻΛ ड͚ೖΕΔ ड͚ೖΕͳ͍ 1ZUIPO 3VCZ 4BGBSJ DVSM .BD XHFU
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Ͱ“*.google”ͳΒ
PPS Y ঢ়گ“*.jp” ͱมΘΒͳ͍ɻ
None
͑ʔɺԿѱ͍͜ͱ ͯ͠ͳ͍ͷʹɻ
None
ཁ͢Δʹ୯Ұͷཧओମ ͷݩʹӡӦ͞Ε͍ͯΔͱ ূ໌Ͱ͖Εྑ͍
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