{{tag>Brouillon ICMP ping rootless}} # Notes ping ICMP ## rootless Allowing ping Most distributions do not allow non-root users to send ICMP Echo Request packets (aka ping) by default. To allow running ping without root, create /etc/sysctl.d/99-rootless.conf with the following content: `/etc/sysctl.d/99-rootless.conf` ~~~ net.ipv4.ping_group_range = 0 2147483647 ~~~ Then run the following command to reload the new sysctl configuration: ~~~bash sudo sysctl --system ~~~ Source : https://rootlesscontaine.rs/getting-started/common/sysctl/ FIXME