How to disable Ping an external IP address, so that no one could remotely scan IP address.
/ip firewall filter
add action=drop chain=input in-interface=ether1 protocol=icmp
replace ether1 by your external interface
How to disable Ping an external IP address, so that no one could remotely scan IP address.
/ip firewall filter
add action=drop chain=input in-interface=ether1 protocol=icmp
replace ether1 by your external interface