Tweet
Tweet

Slide 1

Slide 1 text

Hardening for cyber security — generated by Stable Diffusion XL v1.0 2024 5 (WBS) 2024 5 — 2024-06 – p.1/15

Slide 2

Slide 2 text

https://speakerdeck.com/ks91/collections/cyber-security-2024-summer 2024 5 — 2024-06 – p.2/15

Slide 3

Slide 3 text

( 20 ) 1 • 2 • 3 • 4 (TCP/IP ) • 5 • 6 7 8 9 10 World Wide Web 11 Web API 12 13 git GitHub 14 (6/24 ) / (2 ) OK / 2024 5 — 2024-06 – p.3/15

Slide 4

Slide 4 text

(centralized) (decentralized) (distributed) Paul Baran, “On Distributed Communications Networks”, 1964 2024 5 — 2024-06 – p.4/15

Slide 5

Slide 5 text

( ) RFC 1149 (A Standard for the Transmission of IP Datagrams on Avian Carriers) IP over Everything 2024 5 — 2024-06 – p.5/15

Slide 6

Slide 6 text

IP — Wikipedia 2024 5 — 2024-06 – p.6/15

Slide 7

Slide 7 text

(1) 2024 5 — 2024-06 – p.7/15

Slide 8

Slide 8 text

(2) 2024 5 — 2024-06 – p.8/15

Slide 9

Slide 9 text

IP IP router IPv4 (version 4) 32-bit IP IPv6 (version 6) 128-bit IP 2024 5 — 2024-06 – p.9/15

Slide 10

Slide 10 text

. . . (alternatives) — Robert Elliot Kahn, 2004-11 ( ) 2024 5 — 2024-06 – p.10/15

Slide 11

Slide 11 text

10 (1) (2) ( ) (3) (4) (5) (6) (7) (8) (9) End-to-End (10) ( ) 2024 5 — 2024-06 – p.11/15

Slide 12

Slide 12 text

— (1) (2) (3) (4) / . . . 2024 5 — 2024-06 – p.12/15

Slide 13

Slide 13 text

— 2024 5 — 2024-06 – p.13/15

Slide 14

Slide 14 text

(e-mail) (EV) ← (e-publishing) ← WWW (e-money) ← (e-government) 2024 5 — 2024-06 – p.14/15

Slide 15

Slide 15 text

2024 5 — 2024-06 – p.15/15