icmpinfo

look at the icmp messages received by the host

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  1. Package version
    icmpinfo-1.11p0
  2. Maintainer
    The OpenBSD ports mailing-list

icmpinfo is a tool for observing ICMP messages in a manner similar
to tcpdump(8).

It is implemented as a heavily modified version of BSD ping.

icmpinfo will only report weird packets by default, but it can also
dump all ICMP traffic. It is capable of running as a daemon and
reporting all traffic to the syslog.