HTTP Error code and error code

HTTP Error code and error code

HTTP errors

101-Switching Protocols

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Success Codes

200-OK
201-Created
202-Accepted
203-Non-Authoritative Information (for DNS)
204-No Content
205-Reset Content
206-Partial Content

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Redirection Codes

300-Multiple Choices
301-Moved Permanently
302-Moved Temporarily
303-See Other
304-Not Modified
305-Use Proxy
307-Redirect Keep Verb

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Failure Codes

400-Bad Request
401-Unauthorized
402-Payment Required
403-Forbidden
404-Not Found
405-Bad Request
406-Not Acceptable
407-Proxy Authentication Required
408-Request Timed-Out
409-Conflict
410-Gone
411-Length Required
412-Precondition Failed
413-Request Entity Too Large
414-Request, URI Too Large
415-Unsupported Media Type

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Server Error Codes

500-Internal Server Error
501-Not Implemented
502-Bad Gateway
503-Server Unavailable
504-Gateway Timed-Out
505-HTTP Version not supported

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Internet API Error Codes

12001-Out of Handles
12002-Timeout
12003-Extended Error
12004-Internal Error
12005-Invalid URL
12006-Unrecognized Scheme
12007-Name Not Resolved
12008-Protocol Not Found
12009-Invalid Option
12010-Bad Option Length
12011-Option not Settable
12012-Shutdown
12013-Incorrect User Name
12014-Incorrect Password
12015-Login Failure
12016-Invalid Option
12017-Operation Cancelled
12018-Incorrect Handle Type
12019-Inccorect Handle State
12020-Not Proxy Request
12021-Registry Value Not Found
12022-Bad Registry Parameter
12023-No Direct Access
12024-No Content
12025-No Callback
12026-Request Pending
12027-Incorrect Format
12028-Item Not Found
12029-Cannot Connect
12030-Connection Aborted
12031-Connection Reset
12032-Force Retry
12033-Invalid Proxy Request
12034-Need UI
12035-Not Defined in WinInet
12036-Handle Exists
12037-See Cert Date Invalid
12038-See Cert CN Invalid
12039-HTTP to HTTPS on Redir
12040-HTTPs to HTTP on Redir
12041-Mixed Security
12042-Chg Post is Non Secure
12043-Post is Non Secure
12044-Client Auth Cert Needed
12045-Invalid CA (Cert)
12046-Client Auth Not Setup
12047-Async Thread Failed
12048-Redirect Scheme Changed
12049-Dialog Pending
12050-Retry Dialog
12052-Https Http Submit Redir
12053-Insert Cdrom
12171-Failed DueToSecurityCheck

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Ftp api Error Codes

12110-Transfer in Progress
12111-FTP Dropped

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Gopher API Error Codes

12130-Protocol Error
12131-Not File
12132-Data Error
12133-End of Data
12134-Invalid Locator
12135-Invalid Locator Type
12136-Not Gopher Plus
12137-Attribute Not Found
12138-Unknown Locator

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Http api Error Codes

12150-Header Not Found
12151-Downlevel Server
12152-Invalid Server Response
12153-Invalid Header
12154-Invalid Query Request
12155-Header Already Exists
12156-Redirect Failed
12157-Security Channel Error
12158-Unable to Cache File
12159-TCP/IP not installed
12160-Not Redirected
12161-Cookie Needs Confirmation
12162-Cookie Declined
12168-Redirect Needs Confirmation

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Additional Internet API Error Codes

12157-Security Channel Error
12158-Unable To Cache File
12159-Tcpip Not Installed
12163-Disconnected
12164-Server Unreachable
12165-Proxy Server Unreachable
12166-Bad Auto Proxy Script
12167-Unable To Download Script
12169-Sec Invalid Cert
12170-Sec Cert Revoked

HTTP Common Errors

HTTP Error 400
400 request Error
The server cannot understand the request because of incorrect syntax format. If no modification is made, the client program cannot repeat the request.

HTTP error 401
401.1 unauthorized: Logon Failed
This error indicates that the certificate transmitted to the server does not match the certificate required to log on to the server.
Contact the Web server administrator to check whether you have the permission to access the requested resources.
401.2 unauthorized: Login Failed due to server configuration
This error indicates that the certificate transmitted to the server does not match the certificate required to log on to the server. This error is usually caused by the failure to send the correct WWW verification header field.
Contact the Web server administrator to check whether you have the permission to access the requested resources.
401.3 unauthorized: unauthorized due to the ACL in the Resource
This error indicates that the certificate transmitted by the customer does not have access to specific resources on the server. This resource may be a webpage or file listed in the client's address line, or other files on the server required to process the files listed in the client's address line.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resources.
401.4 unauthorized: the authorized service is rejected by the screening program.
This error indicates that the Web server has installed a filter program to verify the user connected to the server. This filter rejects access to the genuine certificate that is connected to this server.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resources.
401.5 unauthorized: Authorization for ISAPI/CGI applications failed
This error indicates that an ISAPI or CGI program has been installed on the address of the Web server to be used to verify the user's certificate before continuing. This program rejects access to the genuine certificate used to connect to the server.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resource.

HTTP Error 403
403.1 forbidden: Access prohibited
This error may occur if you execute CGI, ISAPI, or other execution programs from directories that are not allowed to execute programs.
If the problem persists, contact the Web server administrator.
403.2 forbidden: Access prohibited
This error occurs if no default web page is available or directory browsing is not enabled, or if you attempt to display HTML pages residing in a directory marked only as execution or script permission.
If the problem persists, contact the Web server administrator.
403.3 forbidden: Write access is prohibited.
This problem occurs if you try to upload or modify files in directories that do not allow write access.
If the problem persists, contact the Web server administrator.
403.4 forbidden: SSL required
This error indicates that the webpage to be accessed is protected by SSL. To view the IP address, you must enter https: // before accessing the address to enable SSL.
If the problem persists, contact the Web server administrator.
403.5 forbidden: SSL 128 is required
This error message indicates that the resource you are trying to access is protected by 128-bit Secure Sockets Layer (SSL. To view this resource, you must have a browser that supports this SSL layer.
Check whether the browser supports 128-bit SSL security. If yes, contact the Web server administrator and report the problem.
403.6 forbidden: reject IP addresses
If the server contains a list of IP addresses that are not allowed to access the site and you are using an IP address in this list, this problem occurs.
If the problem persists, contact the Web server administrator.
403.7 forbidden: user certificate required
This problem occurs when the attempt to access resources requires the browser to have a server-recognizable user Security Socket Layer (SSL) certificate. It can be used to verify whether you are a legal user of this resource.
Contact the Web server administrator to obtain a valid user certificate.
403.8 forbidden: site access prohibited
This problem occurs if the Web server does not provide services for requests or you do not have the permission to connect to the site.
Contact the Web server administrator.
403.9 Access prohibited: too many connected users
This problem occurs when the Web is too busy and your request cannot be processed due to excessive traffic. Connect again later.
If the problem persists, contact the Web server administrator.
403.10 Access prohibited: Invalid Configuration
The configuration of the Web server is faulty.
If the problem persists, contact the Web server administrator.
403.11 Access prohibited: the password has been changed
This error occurs if the user enters an incorrect password during authentication. Refresh the webpage and try again.
If the problem persists, contact the Web server administrator.
403.12 Access prohibited: The ing program rejects access
Deny user certificate attempts to access this Web site.
Contact the site administrator to create user certificate permissions. If necessary, you can also change the user certificate and try again.

HTTP Error 404
404 cannot be found
The Web server cannot find the file or script you requested. Check the URL to ensure that the path is correct.
If the problem persists, contact the server administrator.

HTTP Error 405
405 this method is not allowed.
The method specified in the request line is not allowed for the resource identified by the request. Make sure that the correct MIME type is set for the requested resource.
If the problem persists, contact the server administrator.

HTTP Error 406
406 unacceptable
Based on the "accept" title sent in this request, the resource identified by this request can only generate response entities whose content features are "unacceptable.
If the problem persists, contact the server administrator.

HTTP Error 407
407 proxy authentication required
You must verify the proxy server before providing services for this request. Log on to the proxy server and try again.
If the problem persists, contact the Web server administrator.

HTTP Error 412
412 precondition failed
When you test the prerequisite on the server, the precondition given in some request header fields is estimated to be FALSE. The client places the prerequisites in the current resource metainformation to prevent the requested method from being misused to other resources.
If the problem persists, contact the Web server administrator.

HTTP Error 414
414 Request-URI is too long
The Request-URL is too long and the server rejects the Request. This condition is only possible under the following conditions:
The client mistakenly converts a POST request to a GET request with long query information.
The customer has the opportunity to redirect (for example, the redirection prefix pointing to its own suffix ).
The server is being disturbed by customers attempting to exploit security vulnerabilities in some servers (using a fixed-length buffer for reading or executing Request-URI.
If the problem persists, contact the Web server administrator.

HTTP Error 500
500 Internal Server Error
The Web server cannot execute this request. Please try again later.
If the problem persists, contact the Web server administrator.

HTTP Error 501
501 not implemented
The Web server does not support the functions required to implement this request. Check the URL for errors. If the problem persists, contact the Web server administrator.

HTTP Error 502
502 A Gateway error occurred.
When used as a gateway or proxy, the server will receive invalid responses from the upstream server accessed when trying to implement this request.
If the problem persists, contact the Web server administrator for common HTTP errors.

HTTP Error 400
400 request Error
The server cannot understand the request because of incorrect syntax format. If no modification is made, the client program cannot repeat the request.

HTTP error 401
401.1 unauthorized: Logon Failed
This error indicates that the certificate transmitted to the server does not match the certificate required to log on to the server.
Contact the Web server administrator to check whether you have the permission to access the requested resources.
401.2 unauthorized: Login Failed due to server configuration
This error indicates that the certificate transmitted to the server does not match the certificate required to log on to the server. This error is usually caused by the failure to send the correct WWW verification header field.
Contact the Web server administrator to check whether you have the permission to access the requested resources.
401.3 unauthorized: unauthorized due to the ACL in the Resource
This error indicates that the certificate transmitted by the customer does not have access to specific resources on the server. This resource may be a webpage or file listed in the client's address line, or other files on the server required to process the files listed in the client's address line.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resources.
401.4 unauthorized: the authorized service is rejected by the screening program.
This error indicates that the Web server has installed a filter program to verify the user connected to the server. This filter rejects access to the genuine certificate that is connected to this server.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resources.
401.5 unauthorized: Authorization for ISAPI/CGI applications failed
This error indicates that an ISAPI or CGI program has been installed on the address of the Web server to be used to verify the user's certificate before continuing. This program rejects access to the genuine certificate used to connect to the server.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resource.

HTTP Error 403
403.1 forbidden: Access prohibited
This error may occur if you execute CGI, ISAPI, or other execution programs from directories that are not allowed to execute programs.
If the problem persists, contact the Web server administrator.
403.2 forbidden: Access prohibited
This error occurs if no default web page is available or directory browsing is not enabled, or if you attempt to display HTML pages residing in a directory marked only as execution or script permission.
If the problem persists, contact the Web server administrator.
403.3 forbidden: Write access is prohibited.
This problem occurs if you try to upload or modify files in directories that do not allow write access.
If the problem persists, contact the Web server administrator.
403.4 forbidden: SSL required
This error indicates that the webpage to be accessed is protected by SSL. To view the IP address, you must enter https: // before accessing the address to enable SSL.
If the problem persists, contact the Web server administrator.
403.5 forbidden: SSL 128 is required
This error message indicates that the resource you are trying to access is protected by 128-bit Secure Sockets Layer (SSL. To view this resource, you must have a browser that supports this SSL layer.
Check whether the browser supports 128-bit SSL security. If yes, contact the Web server administrator and report the problem.
403.6 forbidden: reject IP addresses
If the server contains a list of IP addresses that are not allowed to access the site and you are using an IP address in this list, this problem occurs.
If the problem persists, contact the Web server administrator.
403.7 forbidden: user certificate required
This problem occurs when the attempt to access resources requires the browser to have a server-recognizable user Security Socket Layer (SSL) certificate. It can be used to verify whether you are a legal user of this resource.
Contact the Web server administrator to obtain a valid user certificate.
403.8 forbidden: site access prohibited
This problem occurs if the Web server does not provide services for requests or you do not have the permission to connect to the site.
Contact the Web server administrator.
403.9 Access prohibited: too many connected users
This problem occurs when the Web is too busy and your request cannot be processed due to excessive traffic. Connect again later.
If the problem persists, contact the Web server administrator.
403.10 Access prohibited: Invalid Configuration
The configuration of the Web server is faulty.
If the problem persists, contact the Web server administrator.
403.11 Access prohibited: the password has been changed
This error occurs if the user enters an incorrect password during authentication. Refresh the webpage and try again.
If the problem persists, contact the Web server administrator.
403.12 Access prohibited: The ing program rejects access
Deny user certificate attempts to access this Web site.
Contact the site administrator to create user certificate permissions. If necessary, you can also change the user certificate and try again.

HTTP Error 404
404 cannot be found
The Web server cannot find the file or script you requested. Check the URL to ensure that the path is correct.
If the problem persists, contact the server administrator.

HTTP Error 405
405 this method is not allowed.
The method specified in the request line is not allowed for the resource identified by the request. Make sure that the correct MIME type is set for the requested resource.
If the problem persists, contact the server administrator.

HTTP Error 406
406 unacceptable
Based on the "accept" title sent in this request, the resource identified by this request can only generate response entities whose content features are "unacceptable.
If the problem persists, contact the server administrator.

HTTP Error 407
407 proxy authentication required
You must verify the proxy server before providing services for this request. Log on to the proxy server and try again.
If the problem persists, contact the Web server administrator.

HTTP Error 412
412 precondition failed
When you test the prerequisite on the server, the precondition given in some request header fields is estimated to be FALSE. The client places the prerequisites in the current resource metainformation to prevent the requested method from being misused to other resources.
If the problem persists, contact the Web server administrator.

HTTP Error 414
414 Request-URI is too long
The Request-URL is too long and the server rejects the Request. This condition is only possible under the following conditions:
The client mistakenly converts a POST request to a GET request with long query information.
The customer has the opportunity to redirect (for example, the redirection prefix pointing to its own suffix ).
The server is being disturbed by customers attempting to exploit security vulnerabilities in some servers (using a fixed-length buffer for reading or executing Request-URI.
If the problem persists, contact the Web server administrator.

HTTP Error 500
500 Internal Server Error
The Web server cannot execute this request. Please try again later.
If the problem persists, contact the Web server administrator.

HTTP Error 501
501 not implemented
The Web server does not support the functions required to implement this request. Check the URL for errors. If the problem persists, contact the Web server administrator.

HTTP Error 502
502 A Gateway error occurred.
When used as a gateway or proxy, the server will receive invalid responses from the upstream server accessed when trying to implement this request.
If the problem persists, contact the Web server administrator for common HTTP errors.

HTTP Error 400
400 request Error
The server cannot understand the request because of incorrect syntax format. If no modification is made, the client program cannot repeat the request.

HTTP error 401
401.1 unauthorized: Logon Failed
This error indicates that the certificate transmitted to the server does not match the certificate required to log on to the server.
Contact the Web server administrator to check whether you have the permission to access the requested resources.
401.2 unauthorized: Login Failed due to server configuration
This error indicates that the certificate transmitted to the server does not match the certificate required to log on to the server. This error is usually caused by the failure to send the correct WWW verification header field.
Contact the Web server administrator to check whether you have the permission to access the requested resources.
401.3 unauthorized: unauthorized due to the ACL in the Resource
This error indicates that the certificate transmitted by the customer does not have access to specific resources on the server. This resource may be a webpage or file listed in the client's address line, or other files on the server required to process the files listed in the client's address line.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resources.
401.4 unauthorized: the authorized service is rejected by the screening program.
This error indicates that the Web server has installed a filter program to verify the user connected to the server. This filter rejects access to the genuine certificate that is connected to this server.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resources.
401.5 unauthorized: Authorization for ISAPI/CGI applications failed
This error indicates that an ISAPI or CGI program has been installed on the address of the Web server to be used to verify the user's certificate before continuing. This program rejects access to the genuine certificate used to connect to the server.
Record the full address of the attempt and contact the Web server administrator to check whether you have the permission to access the requested resource.

HTTP Error 403
403.1 forbidden: Access prohibited
This error may occur if you execute CGI, ISAPI, or other execution programs from directories that are not allowed to execute programs.
If the problem persists, contact the Web server administrator.
403.2 forbidden: Access prohibited
This error occurs if no default web page is available or directory browsing is not enabled, or if you attempt to display HTML pages residing in a directory marked only as execution or script permission.
If the problem persists, contact the Web server administrator.
403.3 forbidden: Write access is prohibited.
This problem occurs if you try to upload or modify files in directories that do not allow write access.
If the problem persists, contact the Web server administrator.
403.4 forbidden: SSL required
This error indicates that the webpage to be accessed is protected by SSL. To view the IP address, you must enter https: // before accessing the address to enable SSL.
If the problem persists, contact the Web server administrator.
403.5 forbidden: SSL 128 is required
This error message indicates that the resource you are trying to access is protected by 128-bit Secure Sockets Layer (SSL. To view this resource, you must have a browser that supports this SSL layer.
Check whether the browser supports 128-bit SSL security. If yes, contact the Web server administrator and report the problem.
403.6 forbidden: reject IP addresses
If the server contains a list of IP addresses that are not allowed to access the site and you are using an IP address in this list, this problem occurs.
If the problem persists, contact the Web server administrator.
403.7 forbidden: user certificate required
This problem occurs when the attempt to access resources requires the browser to have a server-recognizable user Security Socket Layer (SSL) certificate. It can be used to verify whether you are a legal user of this resource.
Contact the Web server administrator to obtain a valid user certificate.
403.8 forbidden: site access prohibited
This problem occurs if the Web server does not provide services for requests or you do not have the permission to connect to the site.
Contact the Web server administrator.
403.9 Access prohibited: too many connected users
This problem occurs when the Web is too busy and your request cannot be processed due to excessive traffic. Connect again later.
If the problem persists, contact the Web server administrator.
403.10 Access prohibited: Invalid Configuration
The configuration of the Web server is faulty.
If the problem persists, contact the Web server administrator.
403.11 Access prohibited: the password has been changed
This error occurs if the user enters an incorrect password during authentication. Refresh the webpage and try again.
If the problem persists, contact the Web server administrator.
403.12 Access prohibited: The ing program rejects access
Deny user certificate attempts to access this Web site.
Contact the site administrator to create user certificate permissions. If necessary, you can also change the user certificate and try again.

HTTP Error 404
404 cannot be found
The Web server cannot find the file or script you requested. Check the URL to ensure that the path is correct.
If the problem persists, contact the server administrator.

HTTP Error 405
405 this method is not allowed.
The method specified in the request line is not allowed for the resource identified by the request. Make sure that the correct MIME type is set for the requested resource.
If the problem persists, contact the server administrator.

HTTP Error 406
406 unacceptable
Based on the "accept" title sent in this request, the resource identified by this request can only generate response entities whose content features are "unacceptable.
If the problem persists, contact the server administrator.

HTTP Error 407
407 proxy authentication required
You must verify the proxy server before providing services for this request. Log on to the proxy server and try again.
If the problem persists, contact the Web server administrator.

HTTP Error 412
412 precondition failed
When you test the prerequisite on the server, the precondition given in some request header fields is estimated to be FALSE. The client places the prerequisites in the current resource metainformation to prevent the requested method from being misused to other resources.
If the problem persists, contact the Web server administrator.

HTTP Error 414
414 Request-URI is too long
The Request-URL is too long and the server rejects the Request. This condition is only possible under the following conditions:
The client mistakenly converts a POST request to a GET request with long query information.
The customer has the opportunity to redirect (for example, the redirection prefix pointing to its own suffix ).
The server is being disturbed by customers attempting to exploit security vulnerabilities in some servers (using a fixed-length buffer for reading or executing Request-URI.
If the problem persists, contact the Web server administrator.

HTTP Error 500
500 Internal Server Error
The Web server cannot execute this request. Please try again later.
If the problem persists, contact the Web server administrator.

HTTP Error 501
501 not implemented
The Web server does not support the functions required to implement this request. Check the URL for errors. If the problem persists, contact the Web server administrator.

HTTP Error 502
502 A Gateway error occurred.
When used as a gateway or proxy, the server will receive invalid responses from the upstream server accessed when trying to implement this request.
If the problem persists, contact the Web server administrator.