May 2022
Beginner to intermediate
756 pages
21h 30m
Korean
book
HTTP 완벽 가이드
by David Gourlry, Brian Totty, Lee Eung Jun, Sang -Il Jeong, Anshu Agarwal, Seilu Reddy, Marjorie Sayre
Content preview from HTTP 완벽 가이드
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133
5
장 웹 서버
The Definitive Guide
HTTP connection
ident connection
4236,80
4236,80:USERID:UNIX:mary
(a) 메리는 새 HTTP 커넥션을 맺는다
(c) 서버는 요청을 보낸다
(d) 클라이언트는 ident 응답을 반환한다
(b) 서버는 ident 커넥션을 맺는다
메리 웹 서버
4236번
포트
113번 포트
80번
포트
80번 포트
그림
5
-
4
HTTP
클라이언트의 사용자 이름을 알아내기 위해
ident
프로토콜 사용하기
ident는 조직 내부에서는 잘 사용할 수 있지만, 공공 인터넷에서는 다음을 포함한
여러 이유로 잘 동작하지 않는다.
· 많은 클라이언트 PC는 identd 신원확인 프로토콜 데몬 소프트웨어를 실행하지
않는다.
· ident 프로토콜은 HTTP 트랜잭션을 유의미하게 지연시킨다.
· 방화벽이 ident 트래픽이 들어오는 것을 막는 경우가 많다.
· ident 프로토콜은 안전하지 않고 조작하기 쉽다.
· ident 프로토콜은 가상 IP 주소를 잘 지원하지 않는다.
· 클라이언트 사용자 이름의 노출로 인한 프라이버시 침해의 우려가 있다.
아파치 웹 서버의 경우 IdentityCheck 지시어를 이용해 ident 룩업을 사용하게 할
수 있다. 만약 가용한 ident 정보가 없다면, 아파치는 ...
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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.
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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.