ServerProtect uses its own customized Apache server. Its configuration file can be found on the following path:
/opt/TrendMicro/SProtectLinux/SPLX.httpd/conf/splxhttpd.conf
WARNING
WARNING
Editing the customized Apache server configuration file may result in unexpected errors. Before making any changes to this file, back up splxhttpd.conf to restore your original settings. Contact Trend Micro Support for help when editing splxhttpd.conf.