hey i tried many forms and been thro research too but am getting no way could some1 plz help me with my small configuration issue

>>>>>>dhcp >>>>>>>>>>>>>>>mtikbridgefirewall>>>>>>>>>>switch>>>>>>>>acess points >>>>>cpe

i want to place a good firewall configuration which doesnt allow unwanted host,controls p2p traffic(dnt want to stop it),qos


i have certain devices in bridge mode in network too ,,,plz assist