Header |
Example Value |
Notes |
Access-Control-Allow-Credentials |
TRUE |
|
Access-Control-Allow-Headers |
X-PINGOTHER |
|
Access-Control-Allow-Methods |
PUT, DELETE, XMODIFY |
|
Access-Control-Allow-Origin |
http://example.org |
|
Access-Control-Expose-Headers |
X-My-Custom-Header, X-Another-Custom-Header |
|
Access-Control-Max-Age |
2520 |
|
Accept-Ranges |
bytes |
|
Age |
12 |
|
Allow |
GET, HEAD, POST, OPTIONS |
Commonly includes other things, like PROPFIND etc… |
Alternate-Protocol |
443:npn-spdy/2,443:npn-spdy/2 |
|
Cache-Control |
private, no-cache, must-revalidate |
|
Client-Date |
Tue, 27 Jan 2009 18:17:30 GMT |
|
Client-Peer |
123.123.123.123:80 |
|
Client-Response-Num |
1 |
|
Connection |
Keep-Alive |
|
Content-Disposition |
attachment; filename=”example.exe” |
|
Content-Encoding |
gzip |
|
Content-Language |
en |
|
Content-Length |
1329 |
|
Content-Location |
/index.htm |
|
Content-MD5 |
Q2hlY2sgSW50ZWdyaXR5IQ== |
|
Content-Range |
bytes 21010-47021/47022 |
|
Content-Security-Policy, X-Content-Security-Policy, X-WebKit-CSP |
default-src ‘self’ |
Different header needed to control different browsers |
Content-Security-Policy-Report-Only |
default-src ‘self'; …; report-uri /csp_report_parser; |
|
Content-Type |
text/html |
Can also include charset information (E.g.: text/html;charset=ISO-8859-1) |
Date |
Fri, 22 Jan 2010 04:00:00 GMT |
|
ETag |
“737060cd8c284d8af7ad3082f209582d” |
|
Expires |
Mon, 26 Jul 1997 05:00:00 GMT |
|
HTTP |
/1.1 401 Unauthorized |
Special header, no colon space delimiter |
Keep-Alive |
timeout=3, max=87 |
|
Last-Modified |
Tue, 15 Nov 1994 12:45:26 +0000 |
|
Link |
<http://www.example.com/>; rel=”cononical” |
rel=”alternate” |
Location |
http://www.example.com/ |
|
P3P |
policyref=”http://www.example.com/w3c/p3p.xml”, CP=”NOI DSP COR ADMa OUR NOR STA” |
|
Pragma |
no-cache |
|
Proxy-Authenticate |
Basic |
|
Proxy-Connection |
Keep-Alive |
|
Refresh |
5; url=http://www.example.com/ |
|
Retry-After |
120 |
|
Server |
Apache |
|
Set-Cookie |
test=1; domain=example.com; path=/; expires=Tue, 01-Oct-2013 19:16:48 GMT |
Can also include the secure and HTTPOnly flag |
Status |
200 OK |
|
Strict-Transport-Security |
max-age=16070400; includeSubDomains |
|
Timing-Allow-Origin |
www.example.com |
|
Trailer |
Max-Forwards |
|
Transfer-Encoding |
chunked |
compress, deflate, gzip, identity |
Upgrade |
HTTP/2.0, SHTTP/1.3, IRC/6.9, RTA/x11 |
|
Vary |
|
|
Via |
1.0 fred, 1.1 example.com (Apache/1.1) |
|
Warning |
Warning: 199 Miscellaneous warning |
|
WWW-Authenticate |
Basic |
|
X-Aspnet-Version |
2.0.50727 |
|
X-Content-Type-Options |
nosniff |
|
X-Frame-Options |
deny |
|
X-Permitted-Cross-Domain-Policies |
master-only |
Used by Adobe Flash |
X-Pingback |
http://www.example.com/pingback/xmlrpc |
|
X-Powered-By |
PHP/5.4.0 |
|
X-Robots-Tag |
noindex,nofollow |
|
X-UA-Compatible |
Chome=1 |
|
X-XSS-Protection |
1; mode=block |
|