linux, mikrotik mengamankan mesin dari pemindaian winbox dan neighbour

Code:

admin@mikrotik] interface bridge> filter print
Flags: X - disabled, I - invalid, D - dynamic
0 ;;; block discovery mikrotik
chain=forward in-interface=ether1 mac-protocol=ip dst-port=5678
ip-protocol=udp action=drop
1 ;;; block discovery mikrotik
chain=input in-interface=ether1 mac-protocol=ip dst-port=5678
ip-protocol=udp action=drop
2 ;;; block discovery mikrotik
chain=output mac-protocol=ip dst-port=5678 ip-protocol=udp action=drop
3 ;;; block discovery mikrotik
chain=input in-interface=ether1 mac-protocol=ip dst-port=8291
ip-protocol=tcp action=drop
4 ;;; block winbox mikrotik
chain=forward in-interface=ether1 mac-protocol=ip dst-port=8291
ip-protocol=tcp action=drop
5 ;;; block request DHCP
chain=input mac-protocol=ip dst-port=68 ip-protocol=udp action=drop
6 ;;; block request DHCP
chain=forward mac-protocol=ip dst-port=68 ip-protocol=udp action=drop
7 ;;; block request DHCP
chain=output mac-protocol=ip dst-port=68 ip-protocol=udp action=drop
rianto utomo bole nyontek dari aditya57164.blog.friendster.com/2008/10/pengamanan-mikrotik-dari-scan-winbox-dan-neighbour/