Still no luck, log files don't tell me much, at least nothing that stands out to me.
access.log:
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios HTTP/1.1" 301 574 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/cgi-bin/tac.cgi HTTP/1.1" 200 1276 "
http://10.98.14.63/nagios/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/images/interface/logo.gif HTTP/1.1" 200 2406 "
http://10.98.14.63/nagios/top.html" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/images/interface/nagios.gif HTTP/1.1" 200 3024 "
http://10.98.14.63/nagios/top.html" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/images/interface/search.gif HTTP/1.1" 200 674 "
http://10.98.14.63/nagios/sidebar.html" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/js/nag_funcs.js HTTP/1.1" 200 2837 "
http://10.98.14.63/nagios/cgi-bin/tac.cgi" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/images/interface/bar.gif HTTP/1.1" 200 435 "
http://10.98.14.63/nagios/stylesheets/i ... common.css" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/images/interface/menu_li1.gif HTTP/1.1" 200 333 "
http://10.98.14.63/nagios/stylesheets/i ... e/menu.css" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/images/interface/menu_body.gif HTTP/1.1" 200 342 "
http://10.98.14.63/nagios/stylesheets/i ... e/menu.css" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:04 -0400] "GET /nagios/images/interface/menu_less.gif HTTP/1.1" 200 339 "
http://10.98.14.63/nagios/menu.html" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:13:59:05 -0400] "GET /nagios/images/favicon.ico HTTP/1.1" 200 5731 "
http://10.98.14.63/nagios/" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:14:00:35 -0400] "GET /nagios/cgi-bin/tac.cgi HTTP/1.1" 200 1277 "
http://10.98.14.63/nagios/cgi-bin/tac.cgi" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:14:00:35 -0400] "GET /nagios/js/nag_funcs.js HTTP/1.1" 200 2838 "
http://10.98.14.63/nagios/cgi-bin/tac.cgi" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
nagiosadmin [17/Apr/2017:14:00:35 -0400] "GET /nagios/js/jquery-1.7.1.min.js HTTP/1.1" 200 33493 "
http://10.98.14.63/nagios/cgi-bin/tac.cgi" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36"
Error.log
[Mon Apr 17 13:57:29.251015 2017] [mpm_prefork:notice] [pid 1362] AH00163: Apache/2.4.18 (Ubuntu) configured -- resuming normal operations
[Mon Apr 17 13:57:29.252286 2017] [core:notice] [pid 1362] AH00094: Command line: '/usr/sbin/apache2'
[Mon Apr 17 13:58:01.794856 2017] [mpm_prefork:notice] [pid 1362] AH00169: caught SIGTERM, shutting down
[Mon Apr 17 13:58:17.147879 2017] [mpm_prefork:notice] [pid 1384] AH00163: Apache/2.4.18 (Ubuntu) configured -- resuming normal operations
[Mon Apr 17 13:58:17.148861 2017] [core:notice] [pid 1384] AH00094: Command line: '/usr/sbin/apache2'