World Wide Web / World Wide Web

早稲田大学大学院経営管理研究科「サイバーセキュリティ」2026夏のオンデマンド教材 第10回で使用したスライドです。

Transcript

1. Generated by Stable Image Core 2026 10 World Wide Web (WBS : ) 10 World Wide Web — 2026-06 – p.1/12
2. https://speakerdeck.com/ks91/collections/cyber-security-2026-summer 10 World Wide Web — 2026-06 – p.2/12
3. ( 20 ) 1 • 2 • 3 • 4 (TCP/IP ) • 5 • 6 • 7 • 8 • 9 • 10 World Wide Web • 11 Web API 12 13 git GitHub 14 / / OK / 10 World Wide Web — 2026-06 – p.3/12
4. World Wide Web 10 World Wide Web — 2026-06 – p.4/12
5. World Wide Web 1989 CERN Tim Berners-Lee 1990 WWW WWW NeXT HTML 1.0 1991 WWW 1993 Mark Andreessen Mosaic WWW 1994 Tim Berners-Lee W3C (World Wide Web Consortium) 1995 HTML 2.0 2014 HTML5 2021 HTML Living Standard 10 World Wide Web — 2026-06 – p.5/12
6. World Wide Web HTTP/HTTPS HyperText Transfer Protocol (Secure) HTML HTML Hyper Text Markup Language Web W3C → WHATWG URI Uniform Resource Identifier ( ) URL(Uniform Resource Locator)( ) URI 10 World Wide Web — 2026-06 – p.6/12
7. URL ( ) https https://www . google . com: 443 /search?q = refrigerator ( ) https 443 10 World Wide Web — 2026-06 – p.7/12
8. HTTPS $ openssl s_client -connect www.waseda.jp:443 GET /top/ HTTP/1.1 Host: www.waseda.jp Q openssl www.google.com:443 GET /search?q=refrigerator 10 World Wide Web — 2026-06 – p.8/12
9. HTTP/HTTPS 1 1 ( ) → . . . etc. URL HTTP cookie 10 World Wide Web — 2026-06 – p.9/12
10. 10 World Wide Web — 2026-06 – p.10/12
11. World Wide Web ( ) ( ) ( ) ( ) ( ) ( ) ( ) 10 World Wide Web — 2026-06 – p.11/12
12. 10 World Wide Web — 2026-06 – p.12/12