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Icmpinfo

May 26, 2018

Looks at the icmp messages received by the host

ICMPINFO

icmpinfo is a tool for looking at the ICMP messages received on the running host.

The source code comes from an heavily modified BSD ping source.

USAGE

icmpinfo o Gives info about weird packets only [mainly icmp_unreachable]. icmpinfo -v o Gives info about all ICMP packets [that includes your own traceroutes…] except pings icmp_echo_reply. icmpinfo -vv o To see pings too. icmpinfo -vvv o Will add an ascci/hexa dump of the packet. icmpinfo -n o Avoids name queries faster, lighter. icmpinfo -p o Avoids port number to service name queries faster, lighter. icmpinfo -s o Also decode the ip_src field which is the address of the interface receiving the packet. This option is not usefull for hosts with a single network interface. icmpinfo -l o Run like a daemon forks and output to SYSLOG. It now checks that you are root for that