Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
DNS と TLS のビミョーな関係
Search
Tomoyuki Sahara
July 24, 2015
Technology
1
560
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
Tweet
Share
More Decks by Tomoyuki Sahara
See All by Tomoyuki Sahara
IPv6 家庭用ルータ SWG 報告
tsahara
0
150
IPv6 RFC 改版の提案はなぜ議論紛糾したのか?
tsahara
2
2.1k
IPv6 Path MTU in the World and Japan
tsahara
1
22k
how to embed mruby
tsahara
2
430
how to embed mruby (en)
tsahara
0
140
Other Decks in Technology
See All in Technology
From Natural Language to K8s Operations: The MCP Architecture and Practice of kubectl-ai
appleboy
0
290
東京大学「Agile-X」のFPGA AIデザインハッカソンを制したソニーのAI最適化
sony
0
140
AWS re:Invent 2025事前勉強会資料 / AWS re:Invent 2025 pre study meetup
kinunori
0
660
CLIPでマルチモーダル画像検索 →とても良い
wm3
0
240
仕様駆動開発を実現する上流工程におけるAIエージェント活用
sergicalsix
2
570
AWS DMS で SQL Server を移行してみた/aws-dms-sql-server-migration
emiki
0
250
AI時代の開発を加速する組織づくり - ブログでは書けなかったリアル
hiro8ma
2
330
abema-trace-sampling-observability-cost-optimization
tetsuya28
0
220
AIでデータ活用を加速させる取り組み / Leveraging AI to accelerate data utilization
okiyuki99
4
1.2k
Oracle Base Database Service 技術詳細
oracle4engineer
PRO
14
82k
NLPコロキウム20251022_超効率化への挑戦: LLM 1bit量子化のロードマップ
yumaichikawa
3
540
AI機能プロジェクト炎上の 3つのしくじりと学び
nakawai
0
130
Featured
See All Featured
GraphQLとの向き合い方2022年版
quramy
49
14k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3k
Build your cross-platform service in a week with App Engine
jlugia
233
18k
Reflections from 52 weeks, 52 projects
jeffersonlam
354
21k
Bash Introduction
62gerente
615
210k
"I'm Feeling Lucky" - Building Great Search Experiences for Today's Users (#IAC19)
danielanewman
230
22k
jQuery: Nuts, Bolts and Bling
dougneiner
65
7.9k
Building Applications with DynamoDB
mza
96
6.7k
Designing for Performance
lara
610
69k
How Fast Is Fast Enough? [PerfNow 2025]
tammyeverts
2
79
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
Faster Mobile Websites
deanohume
310
31k
Transcript
%/4ͱ5-4ͷ Ϗϛϣʔͳؔ ࠤݪ۩ גࣜձࣾΠϯλʔωοτΠχγΞςΟϒ
)5514ΫϥΠΞϯτ
None
࡞͍ͬͯͯࠔͬͨ͜ͱɻ
υϝΠϯ໊ͱ5-4ͷؔ
5-4ͱ͍͑ )5514͕ද֨
)5514 )551Λ҆શʹͨ͠ͷ
ԿΛͬͯ ʮ҆શʯ ͱݴ͍ͬͯΔͷ͔ʁ
ϒϥβ͕)551Ͱ औ͖ͬͯͨ༰ )5.-$44+BWB4DSJQU
ͱ
ϒϥβͷ্ͷํʹදࣔ͞Ε͍ͯΔ Ṗͷจࣈྻ
None
ͷରԠ͚͕ɺ
04ϒϥβͷ։ൃݩ͕ೝΊͨɺ ೝূہʹΑͬͯอূ͞Ε͍ͯΔɺ ূ໌ॻΛͬͯݕূ͞Εͨ͜ͱɺ Λͬͯ҆શͩͱ͍ͯ͠Δɻ
&7ূ໌ॻͩͱ ͏ͪΐͬͱ Θ͔Γ͍͢
None
υϝΠϯ໊ ίϯςϯπ )5.-
࣮·ͩ Ϊϟοϓ ͕͋Δ
υϝΠϯ໊ ίϯςϯπ αʔό X.509 Certificate TLS on TCP ͕͜͜ ͋͏͍
ΩϞ ͍ͷ ϫΠϧυΧʔυূ໌ॻ
͘ΘΕ͍ͯΔٕज़
None
ϫΠϧυΧʔυจࣈ ˎ ελʔ ҙͷจࣈྻʹϚον
*.google.com news.google.com maps.google.com images.google.com video.google.com plus.google.com play.google.com
ͳΜͯศར—
Μ ͻΐͬͱͯ͠ʜ
࠷ڧͷূ໌ॻ “*”
Y
RFC2818 3.1.: Names may contain the wildcard character * which
is considered to match any single domain name component or component fragment.
None
Ͱ“*.jp”ͳΒʁ
PPS Y
࣮ґଘPS[
”*.jp”ͱ͍͏ϫΠϧυΧʔυূ໌ॻΛ ड͚ೖΕΔ ड͚ೖΕͳ͍ 1ZUIPO 3VCZ 4BGBSJ DVSM .BD XHFU
$ISPNF 'JSFGPY -JCSF44- DVSM 0QFO44- ???
“*.jp”ͳΜͯূ໌ॻΛ ৴͡Δͷ੬ऑੑͩʂ ͍͍ͤ͡Όͳ͍͔
Ͱ“*.google”ͳΒ
PPS Y ঢ়گ“*.jp” ͱมΘΒͳ͍ɻ
None
͑ʔɺԿѱ͍͜ͱ ͯ͠ͳ͍ͷʹɻ
None
ཁ͢Δʹ୯Ұͷཧओମ ͷݩʹӡӦ͞Ε͍ͯΔͱ ূ໌Ͱ͖Εྑ͍
͋ɺ͜ΕͲ͔͜Ͱฉ͍ͨɻ
1VCMJD4V⒏Y-JTU
ͱɺ͍͏Θ͚Ͱ
ϫΠϧυΧʔυূ໌ॻͷݕূʹ 1VCMJD4V⒏Y-JTU Λ͏͕࣌དྷͯ͠·͏͔ʜ
͓͠·͍