I think it's more related to application itself rather then OS and or Kloxo-MR (including their web/php server).
So, investigate your application first.
Some application content hack code where explore php-cgi. Try disable cgi module in /etc/httpd/httpd.conf (if using apache 2.2) or /etc/httpd/conf.modules.d/01-cgi.conf.
This error come after all website stops working
[Thu Apr 28 15:57:44 2016] [warn] RSA server certificate wildcard CommonName (CN) `*.lxlabs.com' does NOT match server name!?
[Thu Apr 28 15:57:44 2016] [warn] RSA server certificate wildcard CommonName (CN) `*.lxlabs.com' does NOT match server name!?
[Thu Apr 28 15:57:44 2016] [notice] Apache/2.2.31 (Unix) DAV/2 PHP/5.4.45 mod_ssl/2.2.31 OpenSSL/1.0.1e-fips configured -- resuming normal operations
[Thu Apr 28 15:57:56 2016] [error] server reached MaxClients setting, consider raising the MaxClients setting
erver reached MaxClients setting, consider raising the MaxClients setting
what is this how to fix this.