how i can prevent the hacker

hi all
im use the mikro tik program as a router v.2.9.27 and use hostpot put the hackers use the net cut program to search the macadress and smac program and get the service enternet from my stalit enternet pleas how i can prevent the hacker do that ? and how i can get the good security with mikrotik program?

pleas help me

heh, I hope im not the only one that sees the irony in this thread…


Umm what your trying to accomplish is real simple, you have the firewall and nat features of mikrotik to help you.

http://www.mikrotik.com/testdocs/ros/2.9/ip/filter.php

thank you for your help

to prevent hacker you have to upgrade RouterOS to 2.9.43