Files
debian-cis/bin/hardening/iptables_persistent_is_not_installed.sh
damien cavagnini c2598e484e feat: add debian12 scripts
ufw_is_installed.sh				-> 4.1.1
iptables_persistent_is_not_installed.sh		-> 4.1.2
ufw_is_enabled					-> 4.1.3
nftables_is_not_installed.sh 			-> 4.3.1.2
libpam_runtime_is_version 			-> 5.3.1.1
2025-08-01 15:54:44 +02:00

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1.9 KiB
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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure iptables-persistent is not installed with ufw (Manual)
#
set -e # One error, it's over
set -u # One variable unset, it's over
# shellcheck disable=2034
HARDENING_LEVEL=2
# shellcheck disable=2034
DESCRIPTION="Ensure iptables-persistent is not installed, requirement for ufw."
PACKAGE='iptables-persistent'
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -eq 0 ]; then
crit "$PACKAGE is installed"
else
ok "$PACKAGE is not installed."
fi
}
# This function will be called if the script status is on enabled mode
apply() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -ne 0 ]; then
# Debian 12 CIS suggests to do it in an automated way, but this also conflicts with another recommendation:
# -> '4.1.2' wants to remove it while '4.3.1.1' wants to install it :/
crit "'$PACKAGE' is installed. You should either disable this recommendation, or remove the package manually"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
. /etc/default/cis-hardening
fi
if [ -z "$CIS_LIB_DIR" ]; then
echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
echo "Cannot source CIS_LIB_DIR variable, aborting."
exit 128
fi
# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
if [ -r "${CIS_LIB_DIR}"/main.sh ]; then
# shellcheck source=../../lib/main.sh
. "${CIS_LIB_DIR}"/main.sh
else
echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_LIB_DIR in /etc/default/cis-hardening"
exit 128
fi