April 2016
Beginner to intermediate
389 pages
9h 8m
Korean
Content preview from 한 권으로 끝내는 Node & Express: 웹사이트 구축을 위한 서버 사이드 자바스크립트
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276
한 권으로 끝내는 Node & Express
아니지만, 인증을 위한 기반을 제공합니다. 예를 들어 인증 시스템에서 비밀번호를 전송한다고
할 때, 그 비밀번호가 암호화되지 않은 채 전송된다면 보안 시스템을 아무리 복잡하게 만들었
어도 헛수고입니다. 보안의 강함은 체인의 가장 약한 고리가 결정합니다. 그 첫 번째 고리는 바
로 네트워크 프로토콜입니다.
HTTPS
프로토콜에서는 서버가 공용 키 인증서
public
key
certificate
를 가지고 있습니다. 종종
SSL
인증서라고도 부릅니다. 현재
SSL
인증서의 표준 형식은
X
.
509
라고 합니다. 이 인증서 방식은
인증서 발행자
certificate
authority
1
(
CA
)가 인증서를 발행한다는 개념입니다. 인증서 발행자는 브라
우저 제조사에서 사용할 수 있는 신뢰할 수 있는 루트 인증서를 만듭니다. 브라우저를 설치할
때 이들 신뢰할 수 있는 루트 인증서도 함께 설치되며, 이 인증서를 통해
CA
와 브라우저 사이
에 신뢰할 수 있는 체인이 수립됩니다. 이 체인이 동작하려면 반드시 서버에서
CA
에서 발행한
인증서를 사용해야 합니다.
요약하면,
HTTPS
를 제공하려면
CA
가 발행한 인증서가 필요하단 얘깁니다. 그럼 어떻게 얻을
수 있을까요? 크게 말해 직접 생성하거나, 무료
CA
에서 얻거나, 상업적
CA
에
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.