Check SELinux Modul

• cat /var/log/messages | audit2allow

#============= httpd_t ============== 

#!!!! This avc is allowed in the current policy
allow httpd_t self:icmp_socket create;

#!!!! This avc is allowed in the current policy
allow httpd_t self:rawip_socket create;

• grep ping /var/log/audit/audit.log | audit2allow -M my-httpd-php-ping

******************** IMPORTANT ***********************
To make this policy package active, execute:

semodule -i my-httpd-php-ping.pp