Hi all,
We are broadband providers running with mikrotik 5.20 and our issue is when we see our customers network all other customer pc’s getting displayed network . is there any firewall rule to block the same.
blocked ip neighbor discovery, any other solutions
IP Neighbors affects which interfaces are used for CDP/MDP discovery. Windows uses a different method.
It isn’t clear where you are observing this or how clients are connecting. Try providing more config information.
block port 139 on routerboard…
add action=drop chain=forward dst-address=192.168.1.0/24 dst-port=135-139 protocol=tcp src-address=192.168.1.0/24 src-port=135-139
add action=drop chain=forward dst-address=192.168.1.0/24 dst-port=445 protocol=tcp src-address=192.168.1.0/24 src-port=445
add action=drop chain=forward dst-address=192.168.1.0/24 dst-port=445 protocol=udp src-address=192.168.1.0/24 src-port=445
add action=drop chain=forward dst-address=192.168.1.0/24 dst-port=135-139 protocol=udp src-address=192.168.1.0/24 src-port=135-139