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  1. Web
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  4. HTTP response status codes
  5. 405 Method Not Allowed
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405 Method Not Allowed

The HTTP 405 Method Not Allowed client error response status code indicates that the server knows the request method, but the target resource doesn't support this method. The server must generate an Allow header in a 405 response with a list of methods that the target resource currently supports.

Improper server-side permissions set on files or directories may cause a 405 response when the request would otherwise be expected to succeed.

In this article

Status

http
405 Method Not Allowed

Examples

TRACE method not allowed

Server owners often disallow the use of the TRACE method due to security concerns. The following example shows a typical response where a server doesn't allow the use of TRACE:

http
TRACE / HTTP/1.1
Host: example.com
http
HTTP/1.1 405 Method Not Allowed
Content-Length: 0
Date: Fri, 28 Jun 2024 14:30:31 GMT
Server: ECLF (nyd/D179)
Allow: GET, POST, HEAD

Specifications

Specification
HTTP Semantics
# status.405

See also

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  1. HTTP
  2. Guides
  3. Overview of HTTP
  4. Evolution of HTTP
  5. A typical HTTP session
  6. HTTP messages
  7. Media types
    1. Common types
  8. Compression in HTTP
  9. HTTP caching
  10. HTTP authentication
  11. Using HTTP cookies
  12. Redirections in HTTP
  13. Conditional requests
  14. Range requests
  15. Client hints
  16. User-Agent reduction
  17. Compression Dictionary Transport
  18. Network Error Logging
  19. Content negotiation
    1. Default Accept values
  20. Browser detection using the UA string
  21. Connection management in HTTP/1.x
  22. Protocol upgrade mechanism
  23. Proxy servers and tunneling
    1. Proxy Auto-Configuration (PAC) file
  24. Security and privacy
    1. HTTP Observatory
    2. Practical implementation guides
    3. Permissions Policy
    4. Cross-Origin Resource Policy (CORP)
    5. IFrame credentialless
    6. Fetch metadata
    7. Cross-Origin Resource Sharing (CORS)
    8. CORS errors
      1. Reason: CORS disabled
      2. Reason: CORS header 'Access-Control-Allow-Origin' does not match 'xyz'
      3. Reason: CORS header 'Access-Control-Allow-Origin' missing
      4. Reason: CORS header 'Origin' cannot be added
      5. Reason: CORS preflight channel did not succeed
      6. Reason: CORS request did not succeed
      7. Reason: CORS request external redirect not allowed
      8. Reason: CORS request not HTTP
      9. Reason: Credential is not supported if the CORS header 'Access-Control-Allow-Origin' is '*'
      10. Reason: Did not find method in CORS header 'Access-Control-Allow-Methods'
      11. Reason: expected 'true' in CORS header 'Access-Control-Allow-Credentials'
      12. Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Headers'
      13. Reason: invalid token 'xyz' in CORS header 'Access-Control-Allow-Methods'
      14. Reason: missing token 'xyz' in CORS header 'Access-Control-Allow-Headers' from CORS preflight channel
      15. Reason: Multiple CORS header 'Access-Control-Allow-Origin' not allowed
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  25. Reference
  26. HTTP headers
    1. Accept
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    8. Access-Control-Allow-Credentials
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    12. Access-Control-Expose-Headers
    13. Access-Control-Max-Age
    14. Access-Control-Request-Headers
    15. Access-Control-Request-Method
    16. Activate-Storage-Access
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    77. Origin
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    79. Permissions-Policy
    80. Permissions-Policy-Report-Only
    81. Pragma
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    97. Sec-Browsing-Topics
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    99. Sec-CH-DPR
    100. Sec-CH-Prefers-Color-Scheme
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    103. Sec-CH-UA
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    106. Sec-CH-UA-Form-Factors
    107. Sec-CH-UA-Full-Version
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    109. Sec-CH-UA-Mobile
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  27. HTTP request methods
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    8. PUT
    9. TRACE
  28. HTTP response status codes
    1. 100 Continue
    2. 101 Switching Protocols
    3. 102 Processing
    4. 103 Early Hints
    5. 200 OK
    6. 201 Created
    7. 202 Accepted
    8. 203 Non-Authoritative Information
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    30. 408 Request Timeout
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    32. 410 Gone
    33. 411 Length Required
    34. 412 Precondition Failed
    35. 413 Content Too Large
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    38. 416 Range Not Satisfiable
    39. 417 Expectation Failed
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    41. 421 Misdirected Request
    42. 422 Unprocessable Content
    43. 423 Locked
    44. 424 Failed Dependency
    45. 425 Too Early
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    47. 428 Precondition Required
    48. 429 Too Many Requests
    49. 431 Request Header Fields Too Large
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    51. 500 Internal Server Error
    52. 501 Not Implemented
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    55. 504 Gateway Timeout
    56. 505 HTTP Version Not Supported
    57. 506 Variant Also Negotiates
    58. 507 Insufficient Storage
    59. 508 Loop Detected
    60. 510 Not Extended
    61. 511 Network Authentication Required
  29. CSP directives
    1. base-uri
    2. block-all-mixed-content
    3. child-src
    4. connect-src
    5. default-src
    6. fenced-frame-src
    7. font-src
    8. form-action
    9. frame-ancestors
    10. frame-src
    11. img-src
    12. manifest-src
    13. media-src
    14. object-src
    15. prefetch-src
    16. report-to
    17. report-uri
    18. require-trusted-types-for
    19. sandbox
    20. script-src
    21. script-src-attr
    22. script-src-elem
    23. style-src
    24. style-src-attr
    25. style-src-elem
    26. trusted-types
    27. upgrade-insecure-requests
    28. worker-src
  30. Permissions-Policy directives
    1. accelerometer
    2. ambient-light-sensor
    3. aria-notify
    4. attribution-reporting
    5. autoplay
    6. bluetooth
    7. browsing-topics
    8. camera
    9. captured-surface-control
    10. ch-ua-high-entropy-values
    11. compute-pressure
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    13. deferred-fetch
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    15. display-capture
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    17. fullscreen
    18. gamepad
    19. geolocation
    20. gyroscope
    21. hid
    22. identity-credentials-get
    23. idle-detection
    24. language-detector
    25. language-model
    26. local-fonts
    27. local-network
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    29. loopback-network
    30. magnetometer
    31. microphone
    32. midi
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    34. otp-credentials
    35. payment
    36. picture-in-picture
    37. private-state-token-issuance
    38. private-state-token-redemption
    39. publickey-credentials-create
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    41. screen-wake-lock
    42. serial
    43. speaker-selection
    44. storage-access
    45. summarizer
    46. translator
    47. usb
    48. web-share
    49. window-management
    50. xr-spatial-tracking
  31. HTTP resources and specifications
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