The mod_setenvifplus module allows you to set environment variables according to whether different aspects of the request match regular expressions you specify. These environment variables can be used by other parts of the server to make decisions about actions to be taken, e.g. by using mod_qos or to propagate supplemental information to the appliaction via HTTP header data. mod_setenvifplus is derived from the standard Apache modules mod_setenvif and mod_headers. WWW: http://opensource.adnovum.ch/mod_setenvifplus/