TLS 1.2

    HTTPS ํŒจํ‚ท ๋ถ„์„(TLS 1.2์™€ TLS 1.3)

    1. TLS 1.2 โ‘  DNS๋ฅผ ํ†ตํ•˜์—ฌ URL์œผ๋กœ IP ํ™•์ธ โ‘ก TCP Handshaking(1 Round Trip Time) - 3 Way Hanshaking https://eunhyee.tistory.com/96?category=937476 TCP์™€ UDP 1. TCP 3 way handshaking(์‹œ์ž‘) SYN - Client์—์„œ ์„ธ์…˜์„ ๋งบ๊ธฐ ์œ„ํ•˜์—ฌ SYN ์ „์†ก - Server๋Š” SYN์„ ๋ฐ›๊ณ  LITSEN > SYN_RCV ์ƒํƒœ ๋ณ€๊ฒฝ SYN+ACK - Sever๋Š” SYN์„ ํ™•์ธํ•˜๊ณ  Client์— SYN+ACK ์ „์†ก - Client๋Š” SYN+AC.. eunhyee.tistory.com โ‘ข TLS Handshaking(2 Round Trip Time) Client Hello : ํด๋ผ์ด์–ธํŠธ์ธก์—์„œ ์ƒ์„ฑํ•œ..