The server understands the content type of the request entity (hence a 415 Unsupported Media Type status code is inappropriate), and the syntax of the request entity is correct (thus a 400 Bad Request status code is inappropriate) but was unable to process the contained instructions.
For example, this error condition may occur if an XML request body contains well-formed (i.e., syntactically correct), but semantically erroneous, XML instructions.
The server refuses to perform the request using the current protocol but might be willing to do so after the client upgrades to a different protocol. The server MUST send an Upgrade header field in a 426 response to indicate the required protocol(s).
The server terminated an operation because it encountered an infinite loop while processing a request with “Depth: infinity”. This status indicates that the entire operation failed.
Microsoft developed the STRIDE threat model to assess threats against applications or operating systems. STRIDE is an acronym for the following: Spoofing, Tampering. Repudiation, Information Disclosure, Denial of Service, and Elevation of Privilege. Spoofing An attack with the goal of gaining access to a target system through the use of falsified identity. Tampering Any action…
Separation of duties prevents one person from having the ability to take over vital security mechanisms. This is accomplished by dividing work among several people. Limiting the power to individuals makes it so that employees have to work with others to accomplish specific tasks. This security concepts limits potential impact to organizations in areas such…
The server is denying access to the resource as a consequence of a legal demand. The server in question might not be an origin server. This type of legal demand typically most directly affects the operations of ISPs and search engines. Responses using this status code SHOULD include an explanation, in the response body, of…
The server encountered an unexpected condition that prevented it from fulfilling the request.