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

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

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( 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

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

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

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

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(1) 2024 5 — 2024-06 – p.7/15

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(2) 2024 5 — 2024-06 – p.8/15

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

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

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

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

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— 2024 5 — 2024-06 – p.13/15

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

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2024 5 — 2024-06 – p.15/15