- Content-Encoding
- Content-Disposition
- Content-Length
- Content-MD5
- Content-Range
- Content-Type
- Accept
- Accept-Encoding
- Accept-Ranges
- Authorization
- If-Match
- If-Modified-Since
- If-None-Match
- If-Range
- If-Unmodified-Since
- Range
- Accept-Patch
- Allow
- Date
- ETag
- Expires
- Last-Modified
- Location
- WWW-Authenticate
- X-Rate-Limit-Limit
- X-Rate-Limit-Remaining
- X-Rate-Limit-Reset