can some body help me to do the configurations.........
 
as a default rule , block every MAC adrresses and
 
let few of known MACs to Allow come in to a DHCP server  using iptables ................pls
 
i did some configurations , but those r not working .
 
if all the input , forward , output DROP in the default policies , no one can access the dhco server ....is it ?
but my dhcp clients tkaing the ips.....how come this ?
 
pls reply me asap
 
thanx