Internet First Steps: HTTP

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When writing an ISAPI application, you often examine and add to the information in HTTP header. Return codes indicate the success or failure of the requested event. Several common return codes are listed in the following table.

Additional return codes can be found in the AFXISAPI.H file. The HTTP responses are grouped as shown in the following table.

The Hypertext Transfer Protocol (HTTP) is an application-level protocol for hypermedia information systems. For additional information about HTTP, and how Web browsers and servers communicate, see the Hypertext Transfer Protocol (HTTP) specification:

http://www.w3.org/pub/WWW/Protocols/

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