Issue solved:
#LoadModule status_module modules/mod_status.so
#ExtendedStatus On
Issue is present:
LoadModule status_module modules/mod_status.so
ExtendedStatus On
Is it a vendor's related problem or is it apache's one?
Some suggestions?
ref. links:
https://rhn.redhat.com/errata/RHSA-2014-0920.html #bug is present
https://bugs.launchpad.net/ubuntu/+source/apache2/+bug/1349288 #bug is present
Regards
Michele MAsè