Squid configuration directive storeurl_rewrite_program
Available in: 2.7
This directive is not available in the v7 version of Squid.
This directive is not available in the v6 version of Squid.
This directive is not available in the v5 version of Squid.
This directive is not available in the v4 version of Squid.
For older versions than v4 see the linked pages above
Configuration Details:
Option Name: | storeurl_rewrite_program |
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Replaces: | |
Requires: | |
Default Value: | none |
Suggested Config: |
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Specify the location of the executable for the Store URL rewriter. The Store URL rewriter allows URLs to be "normalised" ; mapping multiple URLs to a single URL representation for cache operations. For example, if you request an object at: http://srv1.example.com/image.gif and a subsequent request for: http://srv2.example.com/image.gif then Squid will treat these both as different URLs and cache them seperately. This is almost the normal case, but an increasing number of sites distribute the same content between multiple frontend hosts. The Store URL rewriter allows you to rewrite these URLs to one URL to use for cache operations, but not -fetches-. Fetches are still made from the original site, but stored with the store URL rewritten URL as the store key. For each requested URL rewriter will receive on line with the format URL <SP> client_ip "/" fqdn <SP> user <SP> method <SP> urlgroup [<SP> kvpairs] <NL> In the future, the rewriter interface will be extended with key=value pairs ("kvpairs" shown above). Rewriter programs should be prepared to receive and possibly ignore additional whitespace-separated tokens on each input line. And the rewriter may return a rewritten URL. The other components of the request line does not need to be returned (ignored if they are). By default, a Store URL rewriter is not used. Please note - the normal URL rewriter rewrites Squid's _destination_ URL - ie, what it fetches. The Store URL rewriter rewrites Squid's _store_ URL - ie, what it uses to store and retrieve objects. |
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