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DHCPv6 vs. DHCPv4 ๋ฉ”์‹œ์ง€ ์œ ํ˜• ๋น„๊ต

DHCPv6์™€ DHCPv4 ๋ฉ”์‹œ์ง€ ์œ ํ˜•์˜ ๋น„๊ต๋Š” ์•„๋ž˜ ํ‘œ์— ์ œ์‹œ๋˜์–ด ์žˆ์Šต๋‹ˆ๋‹ค:

DHCPv6 ๋ฉ”์‹œ์ง€ ์œ ํ˜•DHCPv4 ๋ฉ”์‹œ์ง€ ์œ ํ˜•
Solicit (1)DHCPDISCOVER
Advertise (2)DHCPOFFER
Request (3), Renew (5), Rebind (6)DHCPREQUEST
Reply (7)DHCPACK / DHCPNAK
Release (8)DHCPRELEASE
Information-Request (11)DHCPINFORM
Decline (9)DHCPDECLINE
Confirm (4)none
Reconfigure (10)DHCPFORCERENEW
Relay-Forw (12), Relay-Reply (13)none

DHCPv6 ๋ฉ”์‹œ์ง€ ์œ ํ˜•์— ๋Œ€ํ•œ ์ž์„ธํ•œ ์„ค๋ช…:

  1. Solicit (1): ์‚ฌ์šฉ ๊ฐ€๋Šฅํ•œ ์„œ๋ฒ„๋ฅผ ์ฐพ๊ธฐ ์œ„ํ•ด DHCPv6 ํด๋ผ์ด์–ธํŠธ์— ์˜ํ•ด ์‹œ์ž‘๋ฉ๋‹ˆ๋‹ค.
  2. Advertise (2): Solicit์— ๋Œ€ํ•œ ์‘๋‹ต์œผ๋กœ ์„œ๋ฒ„๊ฐ€ ์ „์†กํ•˜๋ฉฐ, DHCP ์„œ๋น„์Šค์˜ ๊ฐ€์šฉ์„ฑ์„ ๋‚˜ํƒ€๋ƒ…๋‹ˆ๋‹ค.
  3. Request (3): ํด๋ผ์ด์–ธํŠธ๊ฐ€ ํŠน์ • ์„œ๋ฒ„๋กœ๋ถ€ํ„ฐ IP ์ฃผ์†Œ๋‚˜ ํ”„๋ฆฌํ”ฝ์Šค๋ฅผ ์š”์ฒญํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
  4. Confirm (4): ํด๋ผ์ด์–ธํŠธ๊ฐ€ ํ• ๋‹น๋œ ์ฃผ์†Œ๊ฐ€ ์—ฌ์ „ํžˆ ๋„คํŠธ์›Œํฌ์—์„œ ์œ ํšจํ•œ์ง€ ํ™•์ธํ•˜๋Š” ๋ฐ ์‚ฌ์šฉ๋˜๋ฉฐ, ์ผ๋ฐ˜์ ์œผ๋กœ ๋„คํŠธ์›Œํฌ ๋ณ€๊ฒฝ ํ›„์— ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
  5. Renew (5): ํด๋ผ์ด์–ธํŠธ๊ฐ€ ์›๋ž˜ ์„œ๋ฒ„์— ์ฃผ์†Œ ์ˆ˜๋ช…์„ ์—ฐ์žฅํ•˜๊ฑฐ๋‚˜ ๊ตฌ์„ฑ์„ ์—…๋ฐ์ดํŠธํ•˜๊ธฐ ์œ„ํ•ด ์ „์†กํ•ฉ๋‹ˆ๋‹ค.
  6. Rebind (6): ์ฃผ์†Œ ์ˆ˜๋ช…์„ ์—ฐ์žฅํ•˜๊ฑฐ๋‚˜ ๊ตฌ์„ฑ์„ ์—…๋ฐ์ดํŠธํ•˜๊ธฐ ์œ„ํ•ด ์–ด๋–ค ์„œ๋ฒ„์—๋“  ์ „์†ก๋˜๋ฉฐ, Renew์— ๋Œ€ํ•œ ์‘๋‹ต์ด ์—†์„ ๋•Œ ํŠนํžˆ ์‚ฌ์šฉ๋ฉ๋‹ˆ๋‹ค.
  7. Reply (7): ์„œ๋ฒ„๊ฐ€ ์ฃผ์†Œ, ๊ตฌ์„ฑ ๋งค๊ฐœ๋ณ€์ˆ˜ ์ œ๊ณต ๋˜๋Š” Release ๋˜๋Š” Decline๊ณผ ๊ฐ™์€ ๋ฉ”์‹œ์ง€๋ฅผ ํ™•์ธํ•˜๋Š” ๋ฐ ์‚ฌ์šฉํ•ฉ๋‹ˆ๋‹ค.
  8. Release (8): ํด๋ผ์ด์–ธํŠธ๊ฐ€ ์„œ๋ฒ„์— ํ•˜๋‚˜ ์ด์ƒ์˜ ํ• ๋‹น๋œ ์ฃผ์†Œ ์‚ฌ์šฉ ์ค‘์ง€๋ฅผ ์•Œ๋ฆฝ๋‹ˆ๋‹ค.
  9. Decline (9): ํด๋ผ์ด์–ธํŠธ๊ฐ€ ํ• ๋‹น๋œ ์ฃผ์†Œ๊ฐ€ ๋„คํŠธ์›Œํฌ์—์„œ ์ถฉ๋Œํ•˜๊ณ  ์žˆ์Œ์„ ๋ณด๊ณ ํ•˜๊ธฐ ์œ„ํ•ด ์ „์†กํ•ฉ๋‹ˆ๋‹ค.
  10. Reconfigure (10): ์„œ๋ฒ„๊ฐ€ ํด๋ผ์ด์–ธํŠธ์—๊ฒŒ ์ƒˆ๋กœ์šด ๋˜๋Š” ์—…๋ฐ์ดํŠธ๋œ ๊ตฌ์„ฑ์„ ์œ„ํ•œ ๊ฑฐ๋ž˜๋ฅผ ์‹œ์ž‘ํ•˜๋„๋ก ์œ ๋„ํ•ฉ๋‹ˆ๋‹ค.
  11. Information-Request (11): ํด๋ผ์ด์–ธํŠธ๊ฐ€ IP ์ฃผ์†Œ ํ• ๋‹น ์—†์ด ๊ตฌ์„ฑ ๋งค๊ฐœ๋ณ€์ˆ˜๋ฅผ ์š”์ฒญํ•ฉ๋‹ˆ๋‹ค.
  12. Relay-Forw (12): ๋ฆด๋ ˆ์ด ์—์ด์ „ํŠธ๊ฐ€ ๋ฉ”์‹œ์ง€๋ฅผ ์„œ๋ฒ„๋กœ ์ „๋‹ฌํ•ฉ๋‹ˆ๋‹ค.
  13. Relay-Repl (13): ์„œ๋ฒ„๊ฐ€ ๋ฆด๋ ˆ์ด ์—์ด์ „ํŠธ์— ์‘๋‹ตํ•˜๋ฉฐ, ์ดํ›„ ๋ฆด๋ ˆ์ด ์—์ด์ „ํŠธ๊ฐ€ ํด๋ผ์ด์–ธํŠธ์—๊ฒŒ ๋ฉ”์‹œ์ง€๋ฅผ ์ „๋‹ฌํ•ฉ๋‹ˆ๋‹ค.

References

Tip

AWS ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ:HackTricks Training AWS Red Team Expert (ARTE)
GCP ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training GCP Red Team Expert (GRTE) Azure ํ•ดํ‚น ๋ฐฐ์šฐ๊ธฐ ๋ฐ ์—ฐ์Šตํ•˜๊ธฐ: HackTricks Training Azure Red Team Expert (AzRTE)

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