/usr/share/systraq/ff-netstat is in systraq 20160803-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 | #!/bin/sh
echo netstat --wide --all --numeric --tcp --udp
# make sure all output goes to stdout: netstat sends stuff
# like "warning, got bogus tcp line." to stderr. we don't want
# to cause an extra email to get sent when called from cron.
# we want both IPs and resolved names. for now, settle for --numeric.
netstat --wide --all --numeric --tcp --udp 2>&1
echo
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