URL

DATE : 2023/10/26

[ URL : Uniform Resource Locator ]

URL์ด๋ž€ ์ธํ„ฐ๋„ท ์ƒ์— ์žˆ๋Š” ์ž๋ฃŒ๋ฅผ ์š”์ฒญํ•˜๋Š” ๊ฐ’์œผ๋กœ ์ž‘์„ฑํ•˜๋Š” ๊ทœ์น™์€ ๋‹ค์Œ๊ณผ ๊ฐ™๋‹ค.

Protocol://Hostname:port/file_path/query

(1) Protocol

(2) hostname ( IP address or Domain)

(3) port

(4) file path

(+) query & parameter

VMware & Termius setting์—์„œ web server๋ฅผ ์—ฐ ๋‹ค์Œ,

browser๋ฅผ ํ†ตํ•ด ํŒŒ์ผ์„ ์š”์ฒญํ•œ ๋ฐฉ๋ฒ•์„ ๋– ์˜ฌ๋ ค๋ณด์ž.

์•„๋งˆ browser - URL ๋ฐ”์— ์„œ๋ฒ„์˜ IP, ํŒŒ์ผ ์ด๋ฆ„์„ ์ž‘์„ฑํ–ˆ์„ ๊ฒƒ์ด๋‹ค.

http://192.168.183.129/test.txt

์ด์™€ ๊ฐ™์€ ๊ฒฝ์šฐ, URL์„ ๊ตฌ์„ฑํ•˜๋Š” ๊ฐ ํŒŒํŠธ๋ฅผ ์•„๋ž˜์™€ ๊ฐ™์ด ์ •๋ฆฌํ•ด๋ณผ ์ˆ˜ ์žˆ๋‹ค.

(1) Protocol : http

(2) hostname : 192.168.183.129

(4) file path : test.txt

์Œ? ๊ทธ๋Ÿฐ๋ฐ port์— ๋Œ€ํ•œ ์ •๋ณด๊ฐ€ ์—†๋Š” ๋ฐ.. ์–ด๋–ป๊ฒŒ ์ •์ƒ์ ์œผ๋กœ ์š”์ฒญ์ด ์ฒ˜๋ฆฌ๋˜์—ˆ๋˜ ๊ฑธ๊นŒ??

HTTP protocol์€ "๊ธฐ๋ณธ์ ์œผ๋กœ 80 ํฌํŠธ๋ฅผ ์‚ฌ์šฉํ•˜์ž!"๋Š” ์•”๋ฌต์ ์ธ ๋ฃฐ์ด ์žˆ๊ธฐ ๋•Œ๋ฌธ์—

protocol
HTTP -> 80
HTTPS -> 443
ssh -> 22
ftp -> 21
...

์ž„์˜์˜ ๋‹ค๋ฅธ port๋ฅผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๋Š” ํ•œ, protocol์„ ๋ณด๊ณ  default๋กœ ์‚ฌ์šฉํ•˜๋Š” port๋กœ ์š”์ฒญ์„ ๋ณด๋‚ด๋Š” ๊ฒƒ์ด๊ณ 

์ด๋Ÿด ๊ฒฝ์šฐ์—๋Š” ๋”ฐ๋กœ URL์— ํฌํŠธ ์ •๋ณด๋ฅผ ๋ช…์‹œํ•˜์ง€ ์•Š๋Š”๋‹ค.

๋”ฐ๋ผ์„œ protocol์ด HTTP๋ผ๋Š” ์ ๊ณผ port๊ฐ€ ๋ช…์‹œ๋˜์ง€ ์•Š์•˜๋‹ค๋Š” ์ ์„ ๊ณ ๋ คํ•ด

"port๊ฐ€ 80์ด๊ตฌ๋‚˜!"๋ผ๋Š” ๊ฑธ ์•Œ ์ˆ˜ ์žˆ๋‹ค.


[ summary ]

์—ฌ๊ธฐ๊นŒ์ง€ ํ•ด์„œ ๋ฐฐ์šด ๋‚ด์šฉ์„ ๊ฐ„๋‹จํžˆ ์ •๋ฆฌํ•ด๋ณด์ž!

(1) ํŒŒ์ผ์„ ์ „๋‹ฌํ•ด์ฃผ๋Š” web server์—๊ฒŒ browser๋ฅผ ํ†ตํ•ด ํŒŒ์ผ ์š”์ฒญ์„ ํ•  ์ˆ˜ ์žˆ๋‹ค.

(2) ์ž๋ฃŒ๋ฅผ ์š”์ฒญํ•  ๋•Œ๋Š” URL๋กœ!

(3) URL์€ ํฌ๊ฒŒ protocol, hostname, port, file path๋กœ ๊ตฌ์„ฑ๋œ๋‹ค.

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