Which is also why some poorly configured network devices firewalls will eat pings - if they for example whitelist tcp and udp protocols and drop everything else

Which is also why some poorly configured network devices firewalls will eat pings - if they for example whitelist tcp and udp protocols and drop everything else (yes, that's a bad idea). https://security.stackexchange.com/questions/22711/is-it-a-bad-idea-for-a-firewall-to-block-icmp https://security.stackexchange.com/questions/22711/is-it-a-b...