If you use apache module mod_alias together with module mod_rewrite, you probably encounter “Bad Request” error if the settings are not correctly configured.
For example, if you want to make the folder “/opt/mysite_v1.2″ have the alias as “/mysite” so it can be accessed as http://www.mydomain.com/mysite. And you want to have clean url “/mysite/page1″ mapped to “/mysite/index.php?p=page1″.
To [...]