OK, I typed you suggested and I got proper answer.
Thanks, Miroslav !!
Arigato!
[root@xxxx ~]# sesearch -A -s httpd_sys_script_t -p name_bind -C
Found 12 semantic av rules:
DT allow httpd_script_type port_t : tcp_socket { name_bind name_connect } ; [ httpd_enable_cgi nis_enabled && ]
DT allow httpd_script_type port_t : udp_socket name_bind ; [ httpd_enable_cgi nis_enabled && ]
DT allow nsswitch_domain port_t : tcp_socket { name_bind name_connect } ; [ nis_enabled ]
DT allow nsswitch_domain port_t : udp_socket name_bind ; [ nis_enabled ]
DT allow httpd_script_type ephemeral_port_t : tcp_socket { name_bind name_connect } ; [ httpd_enable_cgi nis_enabled && ]
DT allow httpd_script_type ephemeral_port_t : udp_socket name_bind ; [ httpd_enable_cgi nis_enabled && ]
DT allow httpd_script_type unreserved_port_t : tcp_socket { name_bind name_connect } ; [ httpd_enable_cgi nis_enabled && ]
DT allow httpd_script_type unreserved_port_t : udp_socket name_bind ; [ httpd_enable_cgi nis_enabled && ]
DT allow nsswitch_domain ephemeral_port_t : tcp_socket { name_bind name_connect } ; [ nis_enabled ]
DT allow nsswitch_domain ephemeral_port_t : udp_socket name_bind ; [ nis_enabled ]
DT allow nsswitch_domain unreserved_port_t : tcp_socket { name_bind name_connect } ; [ nis_enabled ]
DT allow nsswitch_domain unreserved_port_t : udp_socket name_bind ; [ nis_enabled ]