How to drop ICMP packets with firewalld 05/30/2024 1 min read Drop all ICMP firewall-cmd --set-target=DROP --zone=public --permanentfirewall-cmd --zone=public --remove-icmp-block={echo-request,echo-reply,timestamp-request,timestamp-reply} --permanent Reload the firewall firewall-cmd --reload References: https://unix.stackexchange.com/a/585031 # firewalld # linux # cli