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Docker

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๋„์ปค๋ฅผ ์“ฐ๋Š” ๊ฐ€์žฅ ํ•ต์‹ฌ์ ์ธ ์ด์œ ๋Š” ์ด์‹์„ฑ

  • ํŠน์ • ํ”„๋กœ๊ทธ๋žจ์„ ๋‹ค๋ฅธ ๊ณณ์— ์‰ฝ๊ฒŒ ์˜ฎ๊ฒจ์„œ ์„ค์น˜ ๋ฐ ์‹คํ–‰ํ•  ์ˆ˜ ์žˆ๋Š” ํŠน์„ฑ

  • ๊ทธ ๋ฐ–์—๋„ ๊ท€์ฐฎ์€ ์„ค์น˜ ๊ณผ์ •์„ ๋งค๋ฒˆ ์ง„ํ–‰ํ•˜์ง€ ์•Š์•„๋„ ๋จ

  • ํ•ญ์ƒ ์ผ๊ด€๋˜๊ฒŒ ํ”„๋กœ๊ทธ๋žจ์„ ์„ค์น˜ ํ•  ์ˆ˜ ์žˆ์Œ (์šด์˜์ฒด์ œ, ๋ฒ„์ „, ํ™˜๊ฒฝ ์„ค์ • ๋“ฑ)

  • ๊ฐ ํ”„๋กœ๊ทธ๋žจ์ด ๋…๋ฆฝ์ ์ธ ํ™˜๊ฒฝ์—์„œ ์‹คํ–‰๋˜๊ธฐ ๋•Œ๋ฌธ์— ํ”„๋กœ๊ทธ๋žจ๊ฐ„ ์ถฉ๋Œ ๋ฌธ์ œ๊ฐ€ ์ƒ๊ธฐ์ง€ ์•Š์Œ

IP (Internet Protocol)

๋„คํŠธ์›Œํฌ ์ƒ์— ํŠน์ • ์ปดํ“จํ„ฐ๋ฅผ ๊ฐ€๋ฆฌํ‚ค๋Š” ์ฃผ์†Œ

Port

ํ•œ ์ปดํ“จํ„ฐ ๋‚ด์— ์‹คํ–‰๋˜๊ณ  ์žˆ๋Š” ํŠน์ • ํ”„๋กœ๊ทธ๋žจ์˜ ์ฃผ์†Œ

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ํŠน์ • ์„œ๋ฒ„์™€ ํ†ต์‹ ํ•˜๊ธฐ ์œ„ํ•ด์„œ๋Š” IP์™€ ํฌํŠธ ๋ฒˆํ˜ธ๋ฅผ ์•Œ์•„์•ผํ•œ๋‹ค. ์ฃผ์†Œ์ฐฝ์— ํฌํŠธ ๋ฒˆํ˜ธ๋ฅผ ์ž…๋ ฅํ•˜์ง€ ์•Š์•„๋„ ์ ‘์†ํ•  ์ˆ˜ ์žˆ์—ˆ๋˜๊ฑด ๋ธŒ๋ผ์šฐ์ €๋Š” ๊ธฐ๋ณธ์ ์œผ๋กœ 80๋ฒˆ ํฌํŠธ๋กœ ๋ณด๋‚ด๊ฒŒ ์„ค์ •๋˜์–ด์žˆ์Œ

์ž˜ ์•Œ๋ ค์ง„ ํฌํŠธ (well-known port)

ํฌํŠธ์—๋Š” ์ž˜ ์•Œ๋ ค์ง„ ํฌํŠธ๋ผ๋Š” ๊ฐœ๋…์ด ์žˆ์Œ

  • ํฌํŠธ ๋ฒˆํ˜ธ๋Š” 0 ~ 65,535๋ฒˆ๊นŒ์ง€ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Œ

  • 0 ~ 1023 ๊นŒ์ง€๋Š” ์ฃผ์š” ํ†ต์‹  ๊ทœ์•ฝ์— ๋”ฐ๋ผ ์ด๋ฏธ ์ •ํ•ด์ ธ์žˆ์Œ

  • ๊ทœ์•ฝ์„ ํ†ตํ•ด ์ด๋ฏธ ์—ญํ• ์ด ์ •ํ•ด์ ธ ์žˆ๋Š” ํฌํŠธ๋ฅผ well-knwon port๋ผ ํ•œ๋‹ค.

    • 22๋ฒˆ (SSH, Secure Shell-Protocol): ์›๊ฒฉ ์ ‘์†์„ ์œ„ํ•œ ํฌํŠธ ๋ฒˆํ˜ธ

      • EC2 ์ธ์Šคํ„ด์Šค์— ์—ฐ๊ฒฐํ•  ๋•Œ 22๋ฒˆ ํฌํŠธ๋ฅผ ์‚ฌ์šฉ

    • 80๋ฒˆ (HTTP): HTTP๋กœ ํ†ต์‹ ํ•  ๋•Œ ์‚ฌ์šฉ

    • 443๋ฒˆ (HTTPS): HTTPS๋กœ ํ†ต์‹ ํ•  ๋–„ ์‚ฌ์šฉ

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