HTTP Error List

HTTP 400-invalid request
HTTP 401.1-unauthorized: Logon Failed
HTTP 401.2-unauthorized: logon fails due to server configuration problems
HTTP 401.3-ACL prohibit Resource Access
HTTP 401.4-unauthorized: Authorization denied by filter
HTTP 401.5-unauthorized: ISAPI or CGI authorization failed
HTTP 403-Access prohibited
HTTP 403-access to Internet Service Manager (HTML) is limited to localhost
HTTP 403.1 Prohibit Access: Prohibit executable access
HTTP 403.2-Access prohibited: Read prohibited
HTTP 403.3-Access prohibited: Write Access prohibited
HTTP 403.4-Access prohibited: requires SSL
HTTP 403.5-Access prohibited: requires SSL 128
HTTP 403.6-Access prohibited: the IP address is denied
HTTP 403.7-Access prohibited: client certificate required
HTTP 403.8-Access prohibited: site access prohibited
HTTP 403.9-Access prohibited: too many connected users
HTTP 403.10-Access prohibited: Invalid Configuration
HTTP 403.11-Access prohibited: Password Change
HTTP 403.12-Access prohibited: mappers reject access
HTTP 403.13-Access prohibited: the client certificate has been revoked
HTTP 403.15-Access prohibited: too many access permits from customers
HTTP 403.16-Access prohibited: the client certificate is untrusted or invalid
HTTP 403.17-Access prohibited: the client certificate has expired or has not yet taken effect
HTTP 404.1-the web site cannot be found
HTTP 404-file not found
HTTP 405-the resource is forbidden
HTTP 406-unacceptable
HTTP 407-proxy authentication required
HTTP 410-never available
HTTP 412-precondition failed
HTTP 414-request-Uri is too long
HTTP 500-Internal Server Error
HTTP 500.100-Internal Server Error-Asp Error
HTTP 500-11 Server Disabled
HTTP 500-12 Application restart
HTTP 500-13-the server is too busy
HTTP 500-14-invalid Application
HTTP 500-15-requests to global. Asa are not allowed
Error 501-not implemented
HTTP 502-Gateway error