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
570
1
Share
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
More Decks by Tomoyuki Sahara
See All by Tomoyuki Sahara
IPv6 家庭用ルータ SWG 報告
tsahara
0
180
IPv6 RFC 改版の提案はなぜ議論紛糾したのか?
tsahara
2
2.2k
IPv6 Path MTU in the World and Japan
tsahara
1
22k
how to embed mruby
tsahara
2
450
how to embed mruby (en)
tsahara
0
140
Other Decks in Technology
See All in Technology
CDK Insightsで見る、AIによるCDKコード静的解析(+AI解析)
k_adachi_01
2
170
実践ハーネスエンジニアリング:TAKTで実現するAIエージェント制御 / Practical Harness Engineering: AI Agent Control Enabled by TAKT
nrslib
8
1.9k
Azure PortalなどにみるWebアクセシビリティ
tomokusaba
0
350
暗黙知について一歩踏み込んで考える - 暗黙知の4タイプと暗黙考・暗黙動へ
masayamoriofficial
0
1.8k
Code Interpreter で、AIに安全に コードを書かせる。
yokomachi
0
6.5k
Introduction to Bill One Development Engineer
sansan33
PRO
0
410
【Findy FDE登壇_2026_04_14】— 現場課題を本気で解いてたら、FDEになってた話
miyatakoji
0
1.1k
JOAI2026講評会資料(近藤佐介)
element138
1
130
Bluesky Meetup in Tokyo vol.4 - 2023to2026
shinoharata
0
190
目的ファーストのハーネス設計 ~ハーネスの変更容易性を高めるための優先順位~
gotalab555
5
1.1k
"SQLは書けません"から始まる データドリブン
kubell_hr
2
450
Revisiting [CLS] and Patch Token Interaction in Vision Transformers
yu4u
0
250
Featured
See All Featured
The Impact of AI in SEO - AI Overviews June 2024 Edition
aleyda
5
790
Testing 201, or: Great Expectations
jmmastey
46
8.1k
The innovator’s Mindset - Leading Through an Era of Exponential Change - McGill University 2025
jdejongh
PRO
1
150
Utilizing Notion as your number one productivity tool
mfonobong
4
290
Darren the Foodie - Storyboard
khoart
PRO
3
3.2k
Building Adaptive Systems
keathley
44
3k
Helping Users Find Their Own Way: Creating Modern Search Experiences
danielanewman
31
3.1k
The Art of Programming - Codeland 2020
erikaheidi
57
14k
Jamie Indigo - Trashchat’s Guide to Black Boxes: Technical SEO Tactics for LLMs
techseoconnect
PRO
0
110
A brief & incomplete history of UX Design for the World Wide Web: 1989–2019
jct
1
350
Exploring the relationship between traditional SERPs and Gen AI search
raygrieselhuber
PRO
2
3.8k
How Software Deployment tools have changed in the past 20 years
geshan
0
33k
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
͓͠·͍