The system default 150 connections, the following example is modified to 1,500. Modify httpd.conf file Find StartServers 8MinsPareServers 5MaxSpareServers 20maxclients 150MaxRequestSperChild 1000 ifmodule> Modify MaxClients 150 to ServerLimit 1500maxClients 1500 and save exit. Restart HTTP service (/etc/rc.d/init.d/httpd restart)