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copied!<p>In mod_rewrite there are two concepts, named redirect and internal rewrite.</p> <p><strong>Redirect</strong></p> <p>Mod_rewrite can redirect a request from a to b. This is indicated by the <code>[R]</code> flag behind the rule. If the user requests, for example <code>http://foo.example.com</code>, you can redirect it to <code>http://bar.example.com</code>. What this does, is that you tell the client that the page has been moved to <code>http://foo.com</code> and that they should redo the request to that url. It'll show <code>http://foo.com</code> in the address bar.</p> <p><strong>Internal rewrite</strong></p> <p>Mod_rewrite can also internally rewrite url's if the file you want to show is in the same filesystem. This is indicated by the <em>absence</em> of the <code>[R]</code> flag. If the user requests <code>http://foo.example.com</code>, you internally rewrite it to a file that could also be reached by <code>http://bar.example.com</code>, assuming that both <code>foo.example.com</code> and <code>bar.example.com</code> are in the same filesystem. This would show <code>http://foo.example.com</code> in the address bar, but would actually show a file that can also be reached by <code>http://bar.example.com</code>. Please note that search engines will believe they are 2 different pages with exactly the same content, and might penalize your website for this.</p> <p><strong>Your case</strong></p> <p>In your case you seem to be requesting an internal rewrite and not a redirect like the title suggests. Without the structure of the filesystem I can't really test anything, but something like this should suffice.</p> <pre><code>RewriteRule ^path/to/subdomain1/(.*)$ path/to/subdomain2/$1 [L] </code></pre>

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