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Example 9: Home Page Redirection 编辑

New Company, Inc. recently acquired a smaller competitor, Purchased Company, and wants to redirect the home page for Purchased Company to a new page on its own Web site, as shown here.

Old URL: http://www.purchasedcompany.com/\*
New URL: http://www.newcompany.com/products/page.htm

To redirect requests to the Purchased Company home page, you would create rewrite actions with the values in the following table.

Action Name	Type of Rewrite Action	Expression to choose target reference	String expression for replacement text
Action-Rewrite-Replace_URLr	REPLACE	HTTP.REQ.URL.PATH_AND_QUERY	“/products/page.htm”
Action-Rewrite-Replace_Host	REPLACE	HTTP.REQ.HOSTNAME	“www.newcompany.com”

You would then create rewrite policies with the values in the following table.

Policy Name	Action Name	Undefined Action	Expression
Policy-Rewrite-Replace-None	Action-Rewrite-Replace-None	NOREWRITE	!HTTP.REQ.HOSTNAME.SERVER.EQ(“www.purchasedcompany.com”)
Policy-Rewrite-Replace-Host	Action-Rewrite-Replace_Host	NOREWRITE	HTTP.REQ.HOSTNAME.SERVER.EQ(“www.purchasedcompany.com”)
Policy-Rewrite-Replace-URL	Action-Rewrite-Replace_URL	NOREWRITE	HTTP.REQ.IS_VALID

Finally, you would bind the rewrite policies globally, assigning the first a priority of 100, the second a priority of 200, and the third a priority of 300. These policies should be the last policies applied to a request that matches the criteria. For this reason, set the goto expression to END for the first and third policies, and to 300 for the second policy. This ensures that all remaining requests are processed correctly.

Requests to the acquired company’s old Web site are now redirected to the correct page on the New Company home page.

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