100-continue 101-switching Protocols
Success Codes
200-ok
201-created
202-accepted
203-non-authoritative information (for DNS)
204-no Content
205-reset Content
206-partial Content
Redirection Codes
300-multiple Choices
301-moved Permanently
302-moved temporarily
303-see Other
304-not Modified
305-use Proxy
307-redirect Keep Verb
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
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
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
FTP API Error Codes
12110-transfer in Progress
12111-ftp Dropped
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
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
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
Internet HTTP connection error code Daquan