How can I block application program like "Radmin" running on the Mikrotik 6.0

MikroTik 6.0...???

find out what port this program uses, then use Firewall Filter to drop this port

Thanks, The port number is 4899. How do i filter it ? pls help it is been missused. I use winbox v2.9.45 , a fresher

The first example of this page is for you:
http://www.mikrotik.com/testdocs/ros/2.9/ip/filter.php

Thanks once again. I have read it but cant apply it. i am a new beginner. i need step by step guide. it will help to improve rapidly

hi,
u can do following to block :


ip--->firewall------>filter rules---->add

chain=forward
dst-port=4899
protocol=tcp
action= drop

i hope this one help u.

regards,

vipul