Differentiating between normal and redirect uri

[alchemist vk <alchemist.vk@xxxxxxxxx>]

Hi All,

  I have an requirement like, new uris needs to redirected to legacy uris.

 Fox ex: when uri foo/new arrives, it needs to redirected to foo/old and pass it to backend providers.

 I used below Rewrite rule to make this happen and its absolutely working fine.

<LocationMatch /foo/new> 

      RewriteRule ^.*$    /foo/old   [E=RF_OAPI_REWRITE_URI:1,L]

</LocationMatch>

But I just wanted to know, how backend providers can able to differentiate between whether the incoming uri was , really /foo/old or /foo/new..

Do we have any environment variable or flag to check, its direct uri or redirected uri in apache headers ??

WR