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I am looking to learn how to properly use, and implement, HTTP headers. What is the best resource or set of guidelines that I can use? ( especially ranges to detect download managers, etc) ?

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closed as not a real question by MichaelT, GlenH7, gnat, Kilian Foth, BЈовић May 19 '13 at 15:56

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.If this question can be reworded to fit the rules in the help center, please edit the question.

Just curious: Why are you interested in creating your own HTTP headers? Curl or its equivalent not an option in your language? – TheLQ Jan 30 '11 at 2:37
@TheLQ, maybe he needs to add webserver functionality to an app? – GrandmasterB Jan 31 '11 at 4:47

Well your first stop should probably be RFC2616: Hypertext Transfer Protocol -- HTTP/1.1.

The Range section is used to request specific areas of a file; with responses providing Content-Range declarations to provide this feature.

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