Small change to URL processing

As many of our members know, our network uses edge technology (reverse proxies) to deliver static content at high speeds.

One thing we have always done is ensured that URLs that contain ? or .php or .cgi could not be processed by the reverse proxies. In order to provide more robust support for very active PHP-driven sites that need to integrate with caching functionality, we have elected to stop doing this. By default, the output of PHP and CGI scripts will still not be considered cache-eligible, but you now have the option to override this using an Expires: or Cache-Control: header if you want.
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