postinst is in iptables-persistent 1.0.4+nmu2.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 | #!/bin/sh
set -e
# Source debconf library
. /usr/share/debconf/confmodule
case "$1" in
configure)
db_get iptables-persistent/autosave_done || true
if [ "x$RET" != "xtrue" ]; then
db_get iptables-persistent/autosave_v4 || true
if [ "x$RET" = "xtrue" ]; then
if which iptables > /dev/null ; then
if iptables -t filter -L -n > /dev/null; then
iptables-save > /etc/iptables/rules.v4
else
echo "IPv4: Unable to save (table filter isn't available or module not loadable)"
fi
else
echo "IPv4: Can't find iptables in $PATH, please check your system"
fi
fi
db_get iptables-persistent/autosave_v6 || true
if [ "x$RET" = "xtrue" ]; then
if which ip6tables > /dev/null ; then
if ip6tables -t filter -L -n > /dev/null; then
ip6tables-save > /etc/iptables/rules.v6
else
echo "IPv6: Unable to save (table filter isn't available or module not loadable)"
fi
else
echo "IPv6: Can't find ip6tables in $PATH, please check your system"
fi
fi
db_set iptables-persistent/autosave_done true || true
fi
update-rc.d iptables-persistent remove
;;
esac
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/init.d/iptables-persistent 1~ -- "$@"
# End automatically added section
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