Upgrade to PRO for Only $50/Year—Limited-Time Offer! 🔥
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
160
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
440
how to embed mruby (en)
tsahara
0
140
Other Decks in Technology
See All in Technology
初めてのDatabricks AI/BI Genie
taka_aki
0
200
mairuでつくるクレデンシャルレス開発環境 / Credential-less development environment using Mailru
mirakui
5
530
Snowflakeでデータ基盤を もう一度作り直すなら / rebuilding-data-platform-with-snowflake
pei0804
6
1.6k
Debugging Edge AI on Zephyr and Lessons Learned
iotengineer22
0
220
Kubernetes Multi-tenancy: Principles and Practices for Large Scale Internal Platforms
hhiroshell
0
120
AWS Security Agentの紹介/introducing-aws-security-agent
tomoki10
0
290
Lessons from Migrating to OpenSearch: Shard Design, Log Ingestion, and UI Decisions
sansantech
PRO
1
130
品質のための共通認識
kakehashi
PRO
3
260
AWS re:Invent 2025で見たGrafana最新機能の紹介
hamadakoji
0
400
JEDAI認定プログラム JEDAI Order 2026 エントリーのご案内 / JEDAI Order 2026 Entry
databricksjapan
0
130
CARTAのAI CoE が挑む「事業を進化させる AI エンジニアリング」 / carta ai coe evolution business ai engineering
carta_engineering
0
1.9k
エンジニアリングマネージャー はじめての目標設定と評価
halkt
0
290
Featured
See All Featured
The Art of Programming - Codeland 2020
erikaheidi
56
14k
Testing 201, or: Great Expectations
jmmastey
46
7.8k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
16k
Rails Girls Zürich Keynote
gr2m
95
14k
Done Done
chrislema
186
16k
How to Create Impact in a Changing Tech Landscape [PerfNow 2023]
tammyeverts
55
3.1k
VelocityConf: Rendering Performance Case Studies
addyosmani
333
24k
Imperfection Machines: The Place of Print at Facebook
scottboms
269
13k
Building a Scalable Design System with Sketch
lauravandoore
463
34k
Become a Pro
speakerdeck
PRO
31
5.7k
The World Runs on Bad Software
bkeepers
PRO
72
12k
The Power of CSS Pseudo Elements
geoffreycrofte
80
6.1k
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
͓͠·͍