#!/bin/bash # catch icmp tgraffic on default route IF=`ip route get 158.38.62.1 | perl -ne 'print $1 if / dev (\w+) /'` if test "$IF" != "" then tomidnight=$((`date --date 'tomorrow 00:00' +%s`-`date +%s` - 1)) /usr/sbin/tcpdump -i $IF -G $tomidnight -W 1 -w - icmp fi
