| Accept | |
| Accept-Charset | |
| Accept-Encoding | |
| Accept-Language | |
| Accept-Ranges | |
| Age | |
| Allow | |
| Authentication | |
| Authorization | |
| Cache-Control | |
| Connection | |
| Content-Base | |
| Content-Disposition | |
| Content-Encoding | |
| Content-Language | |
| Content-Length | |
| Content-Location | |
| Content-MD5 | |
| Content-Range | |
| Content-Transfer-Encoding | |
| Content-Type | |
| Cookie | |
| Date | |
| Depth | |
| Derived-From | |
| Destination | |
| Etag | |
| Expect | |
| Expires | |
| Forwarded | |
| From | |
| Host | |
| If | |
| If-Match | |
| If-Match-Any | |
| If-Modified-Since | |
| If-None-Match | |
| If-None-Match-Any | |
| If-Range | |
| If-Unmodified-Since | |
| Keep-Alive | |
| Last-Modified | |
| Link | |
| Location | |
| Lock-Token | |
| Max-Forwards | |
| Message-Id | |
| Mime | |
| Overwrite | |
| Pragma | |
| Proxy-Authenticate | |
| Proxy-Authorization | |
| Proxy-Connection | |
| Range | |
| Referer | |
| Retry-After | |
| Server | |
| Set-Cookie | |
| Set-Cookie2 | |
| Status-URI | |
| Timeout | |
| Title | |
| Trailer | |
| Transfer-Encoding | |
| Upgrade | |
| User-Agent | |
| Vary | |
| Version | |
| WWW-Authenticate | |
| Warning |