[CentOS] Apache doesn't display "It works page" under CentOS 7

Fri Jan 29 16:45:40 UTC 2016
reynierpm at gmail.com <reynierpm at gmail.com>

On Fri, Jan 29, 2016 at 11:41 AM, Michael H <michael at wemoto.com> wrote:

> setsebool -P httpd_can_network_connect on
> firewall-cmd --add-service=http --permanent

I have ran those two and still can't access. I have restarted httpd and
iptables services after ran those lines. BTW, what those means? setsebool
is part of SELinux? Or this is new kind of extra security layer on CentOS7?
I am moving from Centos 6.7 to 7 and things change between versions.