The provided /etc/httpd/conf.d/apcupsd.conf will not work with httpd 2.4 Here is an example on how to fix this: http://pkgs.fedoraproject.org/cgit/roundcubemail.git/commit/?id=1e1efeab93c6c75300c25b932222cc48be23a9d3
apcupsd-3.14.10-7.fc18 has been submitted as an update for Fedora 18. https://admin.fedoraproject.org/updates/apcupsd-3.14.10-7.fc18
Package apcupsd-3.14.10-7.fc18: * should fix your issue, * was pushed to the Fedora 18 testing repository, * should be available at your local mirror within two days. Update it with: # su -c 'yum update --enablerepo=updates-testing apcupsd-3.14.10-7.fc18' as soon as you are able to. Please go to the following url: https://admin.fedoraproject.org/updates/FEDORA-2012-17273/apcupsd-3.14.10-7.fc18 then log in and leave karma (feedback).
apcupsd-3.14.10-7.fc18 has been pushed to the Fedora 18 stable repository. If problems still persist, please make note of it in this bug report.