id stringlengths 16 145 | text stringlengths 1 179k | title stringclasses 1
value |
|---|---|---|
Mmdn_HTTP/CSP_directives_7_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_headers_35_6.txt | ontent-Security-Policy/script-src)
24. [ ` CSP: script-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-elem)
26. [ ` CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Sec... | |
Mmdn_HTTP/Permissions_Policy_directives_18_3.txt | al Non-standard
86. [ ` Sec-CH-Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion) Experimental
88. [ ` Sec-CH-Prefers-Reduced-Transparency ` ](/en-US/docs/We... | |
Mmdn_HTTP/HTTP_headers_38_14.txt | d ](/en-US/blog/rss.xml)
## MDN
* [ About ](/en-US/about)
* [ Blog ](/en-US/blog/)
* [ Careers ](https://www.mozilla.org/en-US/careers/listings/?team=ProdOps)
* [ Advertise with us ](/en-US/advertising)
## Support
* [ Product help ](https://support.mozilla.org/products/mdn-plus)
* [ Report an issue ]... | |
Mmdn_HTTP/Permissions_Policy_directives_18_4.txt | P/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control) Non-standard
133. [ ` X-Forwarded-For ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-For) Non-standard
134. [ ` X-Forwarded-Host ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-Host) Non-s... | |
Mmdn_HTTP/HTTP_headers_13_6.txt | Content-Security-Policy/script-src)
24. [ ` CSP: script-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-elem)
26. [ ` CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Se... | |
Mmdn_HTTP/HTTP_headers_15_3.txt | ders/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion) Experimental
88. [ ` Sec-CH-Prefers-Reduced-Transparency ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Transparency) Experimental
89. [ ` Sec-CH-U... | |
Mmdn_HTTP/HTTP_response_status_10_4.txt | TP/Headers/Width) Non-standard Deprecated
130. [ ` WWW-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/WWW-Authenticate)
131. [ ` X-Content-Type-Options ` ](/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control) Non-stand... | |
Mmdn_HTTP/HTTP_response_status_28_4.txt | n-US/docs/Web/HTTP/Headers/Width) Non-standard Deprecated
130. [ ` WWW-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/WWW-Authenticate)
131. [ ` X-Content-Type-Options ` ](/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Co... | |
Mmdn_HTTP/CSP_directives_4_1.txt | _1.x)
7. [ Protocol upgrade mechanism ](/en-US/docs/Web/HTTP/Protocol_upgrade_mechanism)
5. HTTP security
1. [ Content Security Policy (CSP) ](/en-US/docs/Web/HTTP/CSP)
2. [ HTTP Strict Transport Security (HSTS) ](/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security)
3. [ X-Content-Type-Options ](/... | |
Mmdn_HTTP/HTTP_response_status_54_5.txt | m a teapot ` ](/en-US/docs/Web/HTTP/Status/418)
41. [ ` 421 Misdirected Request ` ](/en-US/docs/Web/HTTP/Status/421)
42. [ ` 422 Unprocessable Content ` ](/en-US/docs/Web/HTTP/Status/422)
43. [ ` 423 Locked ` ](/en-US/docs/Web/HTTP/Status/423)
44. [ ` 424 Failed Dependency ` ](/en-US/docs/Web/HTTP/Statu... | |
Mmdn_HTTP/CSP_directives_24_9.txt |
* [ Blog ](/en-US/blog/)
* [ Careers ](https://www.mozilla.org/en-US/careers/listings/?team=ProdOps)
* [ Advertise with us ](/en-US/advertising)
## Support
* [ Product help ](https://support.mozilla.org/products/mdn-plus)
* [ Report an issue ](/en-US/docs/MDN/Community/Issues)
## Our communities
* [ ... | |
Mmdn_HTTP/HTTP_request_methods_3_1.txt | ection management in HTTP/1.x ](/en-US/docs/Web/HTTP/Connection_management_in_HTTP_1.x)
7. [ Protocol upgrade mechanism ](/en-US/docs/Web/HTTP/Protocol_upgrade_mechanism)
5. HTTP security
1. [ Content Security Policy (CSP) ](/en-US/docs/Web/HTTP/CSP)
2. [ HTTP Strict Transport Security (HSTS) ](/en-US/do... | |
Mmdn_HTTP/CSP_directives_19_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_headers_30_5.txt | ` 422 Unprocessable Content ` ](/en-US/docs/Web/HTTP/Status/422)
43. [ ` 423 Locked ` ](/en-US/docs/Web/HTTP/Status/423)
44. [ ` 424 Failed Dependency ` ](/en-US/docs/Web/HTTP/Status/424)
45. [ ` 425 Too Early ` ](/en-US/docs/Web/HTTP/Status/425)
46. [ ` 426 Upgrade Required ` ](/en-US/docs/Web/HTTP/Sta... | |
Mmdn_HTTP/List_of_HTTP_header_fields_4_0.txt | ## Field values [ [ edit
](/w/index.php?title=List_of_HTTP_header_fields&action=edit§ion=3 "Edit
section: Field values") ]
A few fields can contain comments (i.e. in User-Agent, Server, Via fields),
which can be ignored by software. [8]
Many field values may contain a quality ( _q_ ) key-value pair separated ... | |
Mmdn_HTTP/HTTP_response_status_48_7.txt | -media ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Permissions-Policy: execution-while-out-of-viewport ](/en-US/docs/Web... | |
Mmdn_HTTP/CSP_directives_26_2.txt | ion)
33. [ ` Content-Range ` ](/en-US/docs/Web/HTTP/Headers/Content-Range)
34. [ ` Content-Security-Policy ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
35. [ ` Content-Security-Policy-Report-Only ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only)
36. [ ` Content-Type ` ](... | |
Mmdn_HTTP/CSP_directives_6_1.txt | onnection_management_in_HTTP_1.x)
7. [ Protocol upgrade mechanism ](/en-US/docs/Web/HTTP/Protocol_upgrade_mechanism)
5. HTTP security
1. [ Content Security Policy (CSP) ](/en-US/docs/Web/HTTP/CSP)
2. [ HTTP Strict Transport Security (HSTS) ](/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security)
3. ... | |
Mmdn_HTTP/CSP_directives_19_7.txt | ssions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Permissions-Policy: execution-while-out-of-viewport ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-... | |
Mmdn_HTTP/Permissions_Policy_directives_20_8.txt | cess() ` ](/en-
US/docs/Web/API/Navigator/requestMediaKeySystemAccess
"Navigator.requestMediaKeySystemAccess\(\)") will reject with a [ `
DOMException ` ](/en-US/docs/Web/API/DOMException) of type ` SecurityError ` .
## Syntax
http
Permissions-Policy: encrypted-media=<allowlist>;
` <allowlist> `... | |
Mmdn_HTTP/HTTP_response_status_39_8.txt | t-Type ` ](/en-
US/docs/Web/HTTP/Headers/Content-Type) is set to ` multipart/byteranges ` and
each fragment covers one range, with [ ` Content-Range ` ](/en-
US/docs/Web/HTTP/Headers/Content-Range) and [ ` Content-Type ` ](/en-
US/docs/Web/HTTP/Headers/Content-Type) describing it.
## Status
http
206 P... | |
Mmdn_HTTP/HTTP_response_status_59_7.txt | le-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Permissions-Policy: execution-while-out-of-viewport ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-out-of-viewport) Experimental
13. [ Permissions-Policy: fullscreen ](/en-US/d... | |
Mmdn_HTTP/HTTP_response_status_17_5.txt | t ` ](/en-US/docs/Web/HTTP/Status/418)
41. [ ` 421 Misdirected Request ` ](/en-US/docs/Web/HTTP/Status/421)
42. [ ` 422 Unprocessable Content ` ](/en-US/docs/Web/HTTP/Status/422)
43. [ ` 423 Locked ` ](/en-US/docs/Web/HTTP/Status/423)
44. [ ` 424 Failed Dependency ` ](/en-US/docs/Web/HTTP/Status/424)
... | |
Mmdn_HTTP/HTTP_response_status_1_7.txt | ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-out-of-viewport) Experimental
13. [ Permissions-Policy: fullscreen ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/fullscreen)
14. [ Permissions-Policy: gamepad ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/gamepad) Experimental
15. ... | |
Mmdn_HTTP/HTTP_response_status_38_2.txt | 32. [ ` Content-Location ` ](/en-US/docs/Web/HTTP/Headers/Content-Location)
33. [ ` Content-Range ` ](/en-US/docs/Web/HTTP/Headers/Content-Range)
34. [ ` Content-Security-Policy ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
35. [ ` Content-Security-Policy-Report-Only ` ](/en-US/docs/Web/HTTP/... | |
Mmdn_HTTP/HTTP_headers_35_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/Header_Field_Definitions_36_0.txt | ### 14.29 Last-Modified
The Last-Modified entity-header field indicates the date and time at which the
origin server believes the variant was last modified.
Last-Modified = "Last-Modified" ":" HTTP-date
An example of its use is
Last-Modified: Tue, 15 Nov 1994 12:45... | |
Mmdn_HTTP/CSP_directives_0_6.txt | t-Security-Policy/script-src)
24. [ ` CSP: script-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-elem)
26. [ ` CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security... | |
Mmdn_HTTP/Permissions_Policy_directives_2_5.txt | ble Content ` ](/en-US/docs/Web/HTTP/Status/422)
43. [ ` 423 Locked ` ](/en-US/docs/Web/HTTP/Status/423)
44. [ ` 424 Failed Dependency ` ](/en-US/docs/Web/HTTP/Status/424)
45. [ ` 425 Too Early ` ](/en-US/docs/Web/HTTP/Status/425)
46. [ ` 426 Upgrade Required ` ](/en-US/docs/Web/HTTP/Status/426)
47.... | |
Mmdn_HTTP/HTTP_response_status_10_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_response_status_26_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_headers_11_3.txt | try-After ` ](/en-US/docs/Web/HTTP/Headers/Retry-After)
83. [ ` RTT ` ](/en-US/docs/Web/HTTP/Headers/RTT) Experimental
84. [ ` Save-Data ` ](/en-US/docs/Web/HTTP/Headers/Save-Data) Experimental
85. [ ` Sec-Browsing-Topics ` ](/en-US/docs/Web/HTTP/Headers/Sec-Browsing-Topics) Experimental Non-standard
... | |
Mmdn_HTTP/HTTP_response_status_50_2.txt | P/Headers/Content-Length)
32. [ ` Content-Location ` ](/en-US/docs/Web/HTTP/Headers/Content-Location)
33. [ ` Content-Range ` ](/en-US/docs/Web/HTTP/Headers/Content-Range)
34. [ ` Content-Security-Policy ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
35. [ ` Content-Security-Policy-Report-Onl... | |
Mmdn_HTTP/Header_Field_Definitions_49_0.txt | ### 14.40 Trailer
The Trailer general field value indicates that the given set of header fields
is present in the trailer of a message encoded with chunked transfer-coding.
Trailer = "Trailer" ":" 1#field-name
An HTTP/1.1 message SHOULD include a Trailer header field in a message using
... | |
Mmdn_HTTP/HTTP_response_status_13_3.txt | Save-Data ` ](/en-US/docs/Web/HTTP/Headers/Save-Data) Experimental
85. [ ` Sec-Browsing-Topics ` ](/en-US/docs/Web/HTTP/Headers/Sec-Browsing-Topics) Experimental Non-standard
86. [ ` Sec-CH-Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Pr... | |
Mmdn_HTTP/HTTP_response_status_44_7.txt | y: encrypted-media ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Permissions-Policy: execution-while-out-of-viewport ](/en... | |
Mmdn_HTTP/HTTP_response_status_3_7.txt | Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Permissions-Policy: execution-while-out-of-viewport ](/en-US/docs/Web/HTTP/Headers/Permissions-Poli... | |
Mmdn_HTTP/HTTP_headers_7_1.txt | ction_management_in_HTTP_1.x)
7. [ Protocol upgrade mechanism ](/en-US/docs/Web/HTTP/Protocol_upgrade_mechanism)
5. HTTP security
1. [ Content Security Policy (CSP) ](/en-US/docs/Web/HTTP/CSP)
2. [ HTTP Strict Transport Security (HSTS) ](/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security)
3. [ X-... | |
Mmdn_HTTP/HTTP_headers_11_6.txt | Content-Security-Policy/sandbox)
23. [ ` CSP: script-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src)
24. [ ` CSP: script-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-... | |
Mmdn_HTTP/HTTP_headers_37_2.txt | eaders/Content-Range)
34. [ ` Content-Security-Policy ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
35. [ ` Content-Security-Policy-Report-Only ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only)
36. [ ` Content-Type ` ](/en-US/docs/Web/HTTP/Headers/Content-Type)
37. [ ` Co... | |
Mmdn_HTTP/Header_Field_Definitions_32_0.txt | ### 14.25 If-Modified-Since
The If-Modified-Since request-header field is used with a method to make it
conditional: if the requested variant has not been modified since the time
specified in this field, an entity will not be returned from the server;
instead, a 304 (not modified) response will be returned without a... | |
Mmdn_HTTP/HTTP_response_status_40_4.txt |
129. [ ` Width ` ](/en-US/docs/Web/HTTP/Headers/Width) Non-standard Deprecated
130. [ ` WWW-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/WWW-Authenticate)
131. [ ` X-Content-Type-Options ` ](/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTT... | |
Mmdn_HTTP/Permissions_Policy_directives_0_4.txt | P/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control) Non-standard
133. [ ` X-Forwarded-For ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-For) Non-standard
134. [ ` X-Forwarded-Host ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-Host) Non-s... | |
Mmdn_HTTP/Permissions_Policy_directives_8_8.txt | ermissions-Policy: magnetometer=<allowlist>;
` <allowlist> `
A list of origins for which permission is granted to use the feature. See [ `
Permissions-Policy ` > Syntax ](/en-US/docs/Web/HTTP/Headers/Permissions-
Policy#syntax) for more details.
## Default policy
The default allowlist for ` magnetometer... | |
Mmdn_HTTP/HTTP_response_status_58_8.txt | -
[ HTTP Semantics
# status.502 ](https://www.rfc-editor.org/rfc/rfc9110#status.502)
## Browser compatibility
BCD tables only load in the browser with JavaScript enabled. Enable
JavaScript to view data.
## See also
* [ ` 504 ` ](/en-US/docs/Web/HTTP/Status/504)
* [ HTTP Status Code Definitions ](ht... | |
Mmdn_HTTP/HTTP_response_status_60_2.txt | US/docs/Web/HTTP/Headers/Content-Location)
33. [ ` Content-Range ` ](/en-US/docs/Web/HTTP/Headers/Content-Range)
34. [ ` Content-Security-Policy ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
35. [ ` Content-Security-Policy-Report-Only ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Repo... | |
Mmdn_HTTP/HTTP_response_status_57_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_headers_17_3.txt | -Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion) Experimental
88. [ ` Sec-CH-Prefers-Reduced-Transparency ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduce... | |
Mmdn_HTTP/HTTP_response_status_33_7.txt | ns-Policy: encrypted-media ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Permissions-Policy: execution-while-out-of-viewpo... | |
Mmdn_HTTP/Permissions_Policy_directives_21_2.txt | ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
35. [ ` Content-Security-Policy-Report-Only ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy-Report-Only)
36. [ ` Content-Type ` ](/en-US/docs/Web/HTTP/Headers/Content-Type)
37. [ ` Cookie ` ](/en-US/docs/Web/HTTP/Headers/Cookie)
38. [ ` Cr... | |
Mmdn_HTTP/HTTP_response_status_6_9.txt | ilable under [ a Creative Commons license ](/en-
US/docs/MDN/Writing_guidelines/Attrib_copyright_license) .
*[
Non-standard
]: Non-standard. Check cross-browser support before using.
*[
Deprecated
... | |
Mmdn_HTTP/Permissions_Policy_directives_2_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/Permissions_Policy_directives_29_8.txt | Exception) of type `
SecurityError ` .
## Syntax
http
Permissions-Policy: midi=<allowlist>;
` <allowlist> `
A list of origins for which permission is granted to use the feature. See [ `
Permissions-Policy ` > Syntax ](/en-US/docs/Web/HTTP/Headers/Permissions-
Policy#syntax) for more detai... | |
Mmdn_HTTP/Permissions_Policy_directives_22_4.txt | s/Web/HTTP/Headers/X-DNS-Prefetch-Control) Non-standard
133. [ ` X-Forwarded-For ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-For) Non-standard
134. [ ` X-Forwarded-Host ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-Host) Non-standard
135. [ ` X-Forwarded-Proto ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded... | |
Mmdn_HTTP/HTTP_response_status_20_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_response_status_12_8.txt | Processing
## Specifications
Specification
---
[ Unknown specification
# section-10.1 ](https://www.rfc-editor.org/rfc/rfc2518.html#section-10.1)
## See also
* [ ` Expect ` ](/en-US/docs/Web/HTTP/Headers/Expect)
* [ ` 100 ` ](/en-US/docs/Web/HTTP/Status/100)
## Help improve MDN
Was this pa... | |
Mmdn_HTTP/CSP_directives_5_2.txt | -Length)
32. [ ` Content-Location ` ](/en-US/docs/Web/HTTP/Headers/Content-Location)
33. [ ` Content-Range ` ](/en-US/docs/Web/HTTP/Headers/Content-Range)
34. [ ` Content-Security-Policy ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy)
35. [ ` Content-Security-Policy-Report-Only ` ](/en-US/docs... | |
Mmdn_HTTP/HTTP_response_status_8_8.txt | TTP/Headers/Allow)
* [ HTTP Status Code Definitions ](https://httpwg.org/specs/rfc9110.html#status.405)
* [ How to Fix 405 Method Not Allowed ](https://kinsta.com/blog/405-method-not-allowed-error/)
* [ Troubleshooting HTTP 405 ](https://docs.microsoft.com/aspnet/web-api/overview/testing-and-debugging/troubleshoo... | |
Mmdn_HTTP/Permissions_Policy_directives_25_3.txt | /HTTP/Headers/Sec-Browsing-Topics) Experimental Non-standard
86. [ ` Sec-CH-Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion) Experimental
88. [ ` Sec-CH-Pr... | |
Mmdn_HTTP/HTTP_headers_9_1.txt | 5. HTTP security
1. [ Content Security Policy (CSP) ](/en-US/docs/Web/HTTP/CSP)
2. [ HTTP Strict Transport Security (HSTS) ](/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security)
3. [ X-Content-Type-Options ](/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options)
4. [ X-Frame-Options ](/en-US/docs/Web... | |
Mmdn_HTTP/HTTP_headers_30_8.txt |
[ Authentication type ](/en-
US/docs/Web/HTTP/Authentication#authentication_schemes) . A common type is [
"Basic" ](/en-US/docs/Web/HTTP/Authentication#basic_authentication_scheme) .
IANA maintains a [ list of authentication schemes
](https://www.iana.org/assignments/http-authschemes/http-authschemes.xhtml) .
re... | |
Mmdn_HTTP/Permissions_Policy_directives_33_8.txt | xception) to be thrown.
## Syntax
http
Permissions-Policy: document-domain=<allowlist>;
` <allowlist> `
A list of origins for which permission is granted to use the feature. See [ `
Permissions-Policy ` > Syntax ](/en-US/docs/Web/HTTP/Headers/Permissions-
Policy#syntax) for more details.
... | |
Mmdn_HTTP/HTTP_headers_9_9.txt | ndex.md?plain=1 "Folder: en-us/web/http/headers/cross-
origin-embedder-policy \(Opens in a new tab\)") ⢠[ Report a problem with
this content ](https://github.com/mdn/content/issues/new?template=page-
report.yml&mdn-url=https%3A%2F%2Fdeveloper.mozilla.org%2Fen-
US%2Fdocs%2FWeb%2FHTTP%2FHeaders%2FCross-Origin-Embedde... | |
Mmdn_HTTP/HTTP_headers_3_6.txt | /Headers/Content-Security-Policy/sandbox)
23. [ ` CSP: script-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src)
24. [ ` CSP: script-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-... | |
Mmdn_HTTP/Permissions_Policy_directives_35_3.txt | Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion) Experimental
88. [ ` Sec-CH-Prefers-Reduced-Transparency ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Transparency) Experimental
89. [ ` Sec-CH-UA ` ](/en-US... | |
Mmdn_HTTP/Permissions_Policy_directives_4_8.txt | more details.
## Default policy
The default allowlist for ` usb ` is ` self ` .
## Specifications
Specification
---
[ WebUSB API
# permissions-policy ](https://wicg.github.io/webusb/#permissions-policy)
## Browser compatibility
BCD tables only load in the browser with JavaScript enabled. Enable
J... | |
Mmdn_HTTP/CSP_directives_0_5.txt | 40. [ ` 418 I'm a teapot ` ](/en-US/docs/Web/HTTP/Status/418)
41. [ ` 421 Misdirected Request ` ](/en-US/docs/Web/HTTP/Status/421)
42. [ ` 422 Unprocessable Content ` ](/en-US/docs/Web/HTTP/Status/422)
43. [ ` 423 Locked ` ](/en-US/docs/Web/HTTP/Status/423)
44. [ ` 424 Failed Dependency ` ](/en-US/doc... | |
Mmdn_HTTP/CSP_directives_27_8.txt | ure-requests ` directive is evaluated before [ `
block-all-mixed-content ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-
Policy/block-all-mixed-content) and if it is set, the latter is effectively a
no-op. It is recommended to set either directive, but not both, unless you
want to force HTTPS on older browsers that ... | |
Mmdn_HTTP/HTTP_response_status_15_6.txt | P: script-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-elem)
26. [ ` CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/style-src)
27. [ ` CSP: style-sr... | |
Mmdn_HTTP/CSP_directives_5_1.txt | in_HTTP_1.x)
7. [ Protocol upgrade mechanism ](/en-US/docs/Web/HTTP/Protocol_upgrade_mechanism)
5. HTTP security
1. [ Content Security Policy (CSP) ](/en-US/docs/Web/HTTP/CSP)
2. [ HTTP Strict Transport Security (HSTS) ](/en-US/docs/Web/HTTP/Headers/Strict-Transport-Security)
3. [ X-Content-Type-Opti... | |
Mmdn_HTTP/CSP_directives_30_4.txt | h) Non-standard Deprecated
130. [ ` WWW-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/WWW-Authenticate)
131. [ ` X-Content-Type-Options ` ](/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control) Non-standard
133. [... | |
Mmdn_HTTP/HTTP_response_status_50_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_response_status_43_7.txt | Experimental
10. [ Permissions-Policy: encrypted-media ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Permissions-Poli... | |
Mmdn_HTTP/HTTP_request_methods_3_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/Header_Field_Definitions_20_0.txt | ### 14.14 Content-Location
The Content-Location entity-header field MAY be used to supply the resource
location for the entity enclosed in the message when that entity is accessible
from a location separate from the requested resource's URI. A server SHOULD
provide a Content-Location for the variant corresponding to... | |
Mmdn_HTTP/HTTP_response_status_49_2.txt | -Report-Only)
36. [ ` Content-Type ` ](/en-US/docs/Web/HTTP/Headers/Content-Type)
37. [ ` Cookie ` ](/en-US/docs/Web/HTTP/Headers/Cookie)
38. [ ` Critical-CH ` ](/en-US/docs/Web/HTTP/Headers/Critical-CH) Experimental
39. [ ` Cross-Origin-Embedder-Policy ` ](/en-US/docs/Web/HTTP/Headers/Cross-Origin-Emb... | |
Mmdn_HTTP/HTTP_headers_11_11.txt | ` http://example.com/file.js ` and ` https://example.com/file.js ` , but not ` https://example.com/file.js/file2.js ` .
* Scheme
* Only allow loading of resources over a specific scheme, should always end with " ` : ` ". For example, ` https: ` , ` http: ` , ` data: ` , etc.
### Other values
` 'nonce-*' `
... | |
Mmdn_HTTP/HTTP_response_status_12_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/Permissions_Policy_directives_35_8.txt | ` ](/en-US/docs/Web/API/Window/gamepaddisconnected_event
"gamepaddisconnected") events will not fire.
## Syntax
http
Permissions-Policy: gamepad=<allowlist>;
` <allowlist> `
A list of origins for which permission is granted to use the feature. See [ `
Permissions-Policy ` > Syntax ](/en-U... | |
Mmdn_HTTP/HTTP_response_status_9_8.txt | al requests ](/en-US/docs/Web/HTTP/Conditional_requests)
* [ ` If-Match ` ](/en-US/docs/Web/HTTP/Headers/If-Match)
* [ ` 412 ` ](/en-US/docs/Web/HTTP/Status/412)
## Help improve MDN
Was this page helpful to you?
Yes No
[ Learn how to contribute
](https://github.com/mdn/content/blob/main/CONTRIBUTING.md "This ... | |
Mmdn_HTTP/HTTP_headers_26_7.txt | ocument-domain ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/document-domain) Experimental
10. [ Permissions-Policy: encrypted-media ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permiss... | |
Mmdn_HTTP/HTTP_response_status_45_9.txt | 024 by individual mozilla.org
contributors. Content available under [ a Creative Commons license ](/en-
US/docs/MDN/Writing_guidelines/Attrib_copyright_license) .
*[
Non-standard
]: Non-standard. Check cross-browser support before using.
*[
... | |
Mmdn_HTTP/CSP_directives_25_6.txt | y-Policy/script-src) _
24. [ ` CSP: script-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-elem)
26. [ ` CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy... | |
Mmdn_HTTP/CSP_directives_24_4.txt | TTP/Headers/Width) Non-standard Deprecated
130. [ ` WWW-Authenticate ` ](/en-US/docs/Web/HTTP/Headers/WWW-Authenticate)
131. [ ` X-Content-Type-Options ` ](/en-US/docs/Web/HTTP/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control) Non-stan... | |
Mmdn_HTTP/HTTP_response_status_40_7.txt | ent-domain) Experimental
10. [ Permissions-Policy: encrypted-media ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/execution-while-not-rendered) Experimental
12. [ Perm... | |
Mmdn_HTTP/HTTP_headers_23_4.txt | rwarded-For) Non-standard
134. [ ` X-Forwarded-Host ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-Host) Non-standard
135. [ ` X-Forwarded-Proto ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-Proto) Non-standard
136. [ ` X-Frame-Options ` ](/en-US/docs/Web/HTTP/Headers/X-Frame-Options)
137. [ ` X-XSS-Pro... | |
Mmdn_HTTP/Permissions_Policy_directives_34_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... | |
Mmdn_HTTP/HTTP_headers_21_5.txt | eb/HTTP/Status/422)
43. [ ` 423 Locked ` ](/en-US/docs/Web/HTTP/Status/423)
44. [ ` 424 Failed Dependency ` ](/en-US/docs/Web/HTTP/Status/424)
45. [ ` 425 Too Early ` ](/en-US/docs/Web/HTTP/Status/425)
46. [ ` 426 Upgrade Required ` ](/en-US/docs/Web/HTTP/Status/426)
47. [ ` 428 Precondition Require... | |
Mmdn_HTTP/HTTP_headers_21_4.txt | b/HTTP/Headers/X-Content-Type-Options)
132. [ ` X-DNS-Prefetch-Control ` ](/en-US/docs/Web/HTTP/Headers/X-DNS-Prefetch-Control) Non-standard
133. [ ` X-Forwarded-For ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-For) Non-standard
134. [ ` X-Forwarded-Host ` ](/en-US/docs/Web/HTTP/Headers/X-Forwarded-Host) ... | |
Mmdn_HTTP/CSP_directives_17_3.txt | H-Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduced-Motion) Experimental
88. [ ` Sec-CH-Prefers-Reduced-Transparency ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Reduc... | |
Mmdn_HTTP/HTTP_response_status_23_6.txt | ript-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-attr)
25. [ ` CSP: script-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/script-src-elem)
26. [ ` CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/style-src)
27. [ ` CSP: style-src-att... | |
Mmdn_HTTP/Permissions_Policy_directives_18_6.txt | rs/Content-Security-Policy/script-src-elem)
26. [ ` CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/style-src)
27. [ ` CSP: style-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/style-src-attr)
28. [ ` CSP: style-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Sec... | |
Mmdn_HTTP/HTTP_headers_3_7.txt | Policy: document-domain ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/document-domain) Experimental
10. [ Permissions-Policy: encrypted-media ](/en-US/docs/Web/HTTP/Headers/Permissions-Policy/encrypted-media) Experimental
11. [ Permissions-Policy: execution-while-not-rendered ](/en-US/docs/Web/HTTP/Header... | |
Mmdn_HTTP/CSP_directives_11_5.txt | b/HTTP/Status/416)
39. [ ` 417 Expectation Failed ` ](/en-US/docs/Web/HTTP/Status/417)
40. [ ` 418 I'm a teapot ` ](/en-US/docs/Web/HTTP/Status/418)
41. [ ` 421 Misdirected Request ` ](/en-US/docs/Web/HTTP/Status/421)
42. [ ` 422 Unprocessable Content ` ](/en-US/docs/Web/HTTP/Status/422)
43. [ ` 423... | |
Mmdn_HTTP/List_of_HTTP_header_fields_11_1.txt | /en.wikipedia.org/wiki/Wikipedia:Contact_us)
* [ Code of Conduct ](https://foundation.wikimedia.org/wiki/Special:MyLanguage/Policy:Universal_Code_of_Conduct)
* [ Developers ](https://developer.wikimedia.org)
* [ Statistics ](https://stats.wikimedia.org/#/en.wikipedia.org)
* [ Cookie statement ](https://foundati... | |
Mmdn_HTTP/CSP_directives_7_3.txt | P/Headers/Save-Data) Experimental
85. [ ` Sec-Browsing-Topics ` ](/en-US/docs/Web/HTTP/Headers/Sec-Browsing-Topics) Experimental Non-standard
86. [ ` Sec-CH-Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/do... | |
Mmdn_HTTP/HTTP_response_status_56_6.txt | CSP: style-src ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/style-src)
27. [ ` CSP: style-src-attr ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/style-src-attr)
28. [ ` CSP: style-src-elem ` ](/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/style-src-elem)
29. [ ` CSP: trusted-t... | |
Mmdn_HTTP/CSP_directives_22_3.txt | 85. [ ` Sec-Browsing-Topics ` ](/en-US/docs/Web/HTTP/Headers/Sec-Browsing-Topics) Experimental Non-standard
86. [ ` Sec-CH-Prefers-Color-Scheme ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-Color-Scheme) Experimental
87. [ ` Sec-CH-Prefers-Reduced-Motion ` ](/en-US/docs/Web/HTTP/Headers/Sec-CH-Prefers-R... | |
Mmdn_HTTP/CSP_directives_1_0.txt | * Skip to main content
* Skip to search
* Skip to select language
[ MDN Web Docs ](/en-US/) Open main menu
* References [ References ](/en-US/docs/Web)
* [ Overview / Web Technology Web technology reference for developers ](/en-US/docs/Web)
* [ HTML Structure of content on the web ](/en-US/do... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.