문서에는 알파벳 순서대로 정리되어있는듯... 편의상 MDN에서 분류한 방식대로 분류해서 정리할게요..

요청헤더(Request header)

[14.1](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.1>) Accept

[14.2](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.2>) Accept-Charset

[14.3](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.3>) Accept-Encoding

[14.4](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.4>) Accept-Language

[14.5](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.5>) Accept-Ranges

• [14.8](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.8>) Authorization

[14.24](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.24>) If-Match

[14.25](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.25>) If-Modified-Since

[14.26](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.26>) If-None-Match

[14.27](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.27>) If-Range

[14.28](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.28>) If-Unmodified-Since

[14.6](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.6>) Age

• [14.7](<https://datatracker.ietf.org/doc/html/rfc2616#section-14.7>) Allow