Can only access Nagios core homepage, all others fail

[c.slagel]

So I have installed Nagios Core on a fresh CentOS6 box. I can login and reach the homepage just fine, however when I click on ANY section of the sidebar (services, hosts, etc) I get an internal server error. HTTP error log reads as follows:

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[Fri Nov 14 21:54:25 2014] [error] [client 67.52.160.42] (13)Permission denied: exec of '/usr/local/nagios/sbin/status.cgi' failed, referer: http://54.148.133.113/nagios/side.php
[Fri Nov 14 21:54:25 2014] [error] [client 67.52.160.42] Premature end of script headers: status.cgi, referer: http://54.148.133.113/nagios/side.php

Permissions on the directory however look fine:

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[root@ip-10-1-6-229 nagios]# pwd
/usr/local/nagios
[root@ip-10-1-6-229 nagios]# ll
total 28
drwxrwxr-x.  2 nagios nagios 4096 Nov 14 21:42 bin
drwxrwxr-x.  3 nagios nagios 4096 Nov 14 21:44 etc
drwxr-xr-x.  2 root   root   4096 Nov 14 21:46 include
drwxrwxr-x.  3 nagios nagios 4096 Nov 14 21:46 libexec
drwxrwxr-x.  2 nagios nagios 4096 Nov 14 21:42 sbin
drwxrwxr-x. 11 nagios nagios 4096 Nov 14 21:46 share
drwxrwxr-x.  5 nagios nagios 4096 Nov 14 21:56 var
[root@ip-10-1-6-229 nagios]# cd sbin/
[root@ip-10-1-6-229 sbin]# ll
total 4956
-rwxrwxr-x. 1 nagios nagios 304800 Nov 14 21:42 archivejson.cgi
-rwxrwxr-x. 1 nagios nagios 292104 Nov 14 21:42 avail.cgi
-rwxrwxr-x. 1 nagios nagios 287528 Nov 14 21:42 cmd.cgi
-rwxrwxr-x. 1 nagios nagios 259272 Nov 14 21:42 config.cgi
-rwxrwxr-x. 1 nagios nagios 300392 Nov 14 21:42 extinfo.cgi
-rwxrwxr-x. 1 nagios nagios 255432 Nov 14 21:42 histogram.cgi
-rwxrwxr-x. 1 nagios nagios 234728 Nov 14 21:42 history.cgi
-rwxrwxr-x. 1 nagios nagios 230792 Nov 14 21:42 notifications.cgi
-rwxrwxr-x. 1 nagios nagios 308448 Nov 14 21:42 objectjson.cgi
-rwxrwxr-x. 1 nagios nagios 226472 Nov 14 21:42 outages.cgi
-rwxrwxr-x. 1 nagios nagios 230856 Nov 14 21:42 showlog.cgi
-rwxrwxr-x. 1 nagios nagios 300296 Nov 14 21:42 status.cgi
-rwxrwxr-x. 1 nagios nagios 302496 Nov 14 21:42 statusjson.cgi
-rwxrwxr-x. 1 nagios nagios 251240 Nov 14 21:42 statusmap.cgi
-rwxrwxr-x. 1 nagios nagios 247048 Nov 14 21:42 statuswml.cgi
-rwxrwxr-x. 1 nagios nagios 230728 Nov 14 21:42 statuswrl.cgi
-rwxrwxr-x. 1 nagios nagios 255240 Nov 14 21:42 summary.cgi
-rwxrwxr-x. 1 nagios nagios 242952 Nov 14 21:42 tac.cgi
-rwxrwxr-x. 1 nagios nagios 263624 Nov 14 21:42 trends.cgi

I followed the installation guide (http://assets.nagios.com/downloads/nagi ... Source.pdf) step-by-step, so not sure what I might be missing here?

[Box293]

Make sure SELinux is disabled:

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sed -i 's/SELINUX=enforcing/SELINUX=permissive/g' /etc/selinux/config
setenforce 0

FYI I have a detailed guide here:
http://sites.box293.com/nagios/guides/i ... centos-6-5