Summary of Support Across HTTP Versions
The following is a listing of all HTTP headers supported by each version of HTTP so far.
HTTP 0.9
|
Method |
General |
Request |
Entity |
Response |
|
GET |
None |
None |
None |
None |
HTTP 1.0
|
Method |
General |
Request |
Entity |
Response |
|
GET |
Connection |
Accept |
Allow |
Location |
|
HEAD |
Date |
Accept-charset |
Content-encoding |
Retry-after |
|
POST |
MIME-version |
Accept-encoding |
Content-language |
Server |
|
PUT |
Pragma |
Accept-language |
Content-length |
WWW-Authenticate |
|
DELETE |
Authorization |
Content-type | ||
|
LINK |
From |
Expires | ||
|
UNLINK |
If-modified-since |
Last-modified | ||
|
Referer |
Link | |||
|
User-agent |
Title | |||
|
URL |
HTTP 1.1
|
Method |
General |
Request |
Entity |
Response |
|
OPTIONS |
Cache-control |
Accept |
Allow |
Accept-Ranges |
|
GET |
Connection |
Accept-charset |
Content-encoding |
Age |
|
HEAD |
Date |
Accept-encoding |
Content-language |
Etag |
|
POST |
Pragma |
Accept-language |
Content-length |
Location |
|
PUT |
Trailer |
Authorization |
Content-location |
Proxy-authenticate |
|
DELETE |
Transfer-encoding |
Expect |
Content-md5 |
Retry-after |
|
TRACE |
Upgrade |
From |
Content-range |
Server |
|
CONNECT |
Via |
Host |
Content-type |
Vary |
|
Warning |
If-modified-since |
Expires |
WWW-Authenticate | |
|
If-match |
Last-modified | |||
|
If-none-match | ||||
|
If-range | ||||
|
If-unmodified-since | ||||
|
Max-forwards | ||||
|
Proxy-authorization | ||||
|
Range | ||||
|
Referer TE | ||||
|
User-agent |
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