IIS URL Rewrite Module : Redirect Based On QueryString

Question

I Have some problems with redirecting to another URL based on the query string parameters. I want to redirect users which enter www.domain.com/signup.aspx?p=1 to:

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Answer 1

A more robust method of using a value to select a destination is to use Rewrite Maps. The map is essentially a lookup table. This doesn't require a new rule (and an additional evaluation of the URL against a pattern on every request) for every new path.

Definitions:

• {C:1} is a backreference to the first condition match: the query string value.
• {Signups:{C:1}} is an instruction to look up {C:1} in the Signups map.
• {C:2} is a backreference to the second condition match: the value from the Signups map.