immediate attention

how can i get rid of loop IP and DHCP from users on my access point mikrotik and need to script filter to this operation
and check out this filters and give me feed back about the problem in this filter

/interface bridge filter add action=log chain=input comment=“Block DHCP servers on 192.168.0.0/16” \ disabled=no dst-address=255.255.255.255/32 ip-protocol=udp log-prefix=\ “ALERT ROGUE DHCP (BLOCKED)” mac-protocol=ip src-address=192.168.0.0/16 \ src-port=67-68add action=drop chain=input comment=“Block DHCP servers on 192.168.0.0/16” \ disabled=no dst-address=255.255.255.255/32 ip-protocol=udp mac-protocol=\ ip src-address=192.168.0.0/16 src-port=67-68/interface bridge settings set use-ip-firewall=yes use-ip-firewall-for-pppoe=no use-ip-firewall-for-vlan=yes

and is it useful to do so.and which is the best for me