2014:01:21-23:20:12 asg01 reverseproxy: [Tue Jan 21 23:20:12.420631 2014] [core:warn] [pid 31002:tid 4147467968] AH00111: Config variable ${URLHardening_HTTP_Hostname} is not defined
Bug or only a warning to ignore ?
However...the WAF seems to work without issues for my OWA, but the message is maybe worth a look anyway [;)]