HTTP 요청메소드, HTTPS, SSL, 공인인증서

https://zorba91.tistory.com/136

https://wayhome25.github.io/cs/2018/03/11/ssl-https/

https://opentutorials.org/course/228/4894

행정전자서명 프로파일 및 알고리즘 상세서
Government Public Key Infrastructure Profile and Algorithm Specification

https://www.gpki.go.kr/upload/download/1.3-GPKI-CPS%20Profile%20and%20Algorithm.pdf

공인인증서를 통한 로그인(Google)

https://patents.google.com/patent/KR20060091548A/ko

웹 표준 기반 공인인증서비스 도입 및 구현 기술 안내서

https://www.rootca.or.kr/kcac/down/Guide/Guideline_for_PKI_service_based_on_web_standard.pdf

HTTPS

https://webactually.com/2018/11/16/http%EC%97%90%EC%84%9C-https%EB%A1%9C-%EC%A0%84%ED%99%98%ED%95%98%EA%B8%B0-%EC%9C%84%ED%95%9C-%EC%99%84%EB%B2%BD-%EA%B0%80%EC%9D%B4%EB%93%9C/

DNS

https://opentogether.tistory.com/30

https://lkhlkh23.tistory.com/76

https://server-talk.tistory.com/121

DNS R-R

https://blog.globalhost.co.kr/27

SLB

https://net-gate.tistory.com/15

L4로드밸런싱

https://itmore.tistory.com/entry/L4-%EB%A1%9C%EB%93%9C%EB%B0%B8%EB%9F%B0%EC%8B%B1-%EB%B0%A9%EB%B2%95

ㅗㅆㅗㅆ포트

https://johngrib.github.io/wiki/why-http-80-https-443/

AWS

https://aws.amazon.com/ko/premiumsupport/knowledge-center/connect-http-https-ec2/