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feat: add debian12 scripts

Browse Source 
- iptables_loopback.sh 			-> 4.3.2.2
- iptables_rule_them_all.sh 		-> 4.3.2.4
- iptables_outbound_established.sh 	-> 4.3.2.3
- ip6tables_loopback.sh			-> 4.3.3.2
- ip6tables_outbound_established.sh	-> 4.3.3.3
- ip6tables_rule_them_all.sh		-> 4.3.3.4
- ip6tables_default_deny_policy.sh 	-> 4.3.3.1
This commit is contained in:
damien cavagnini
2025-08-05 16:23:52 +02:00
parent 1926758707
commit 4be1a9d9e4
14 changed files with 819 additions and 0 deletions
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97
bin/hardening/ip6tables_default_deny_policy.sh Normal file
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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure ip6tables default deny firewall policy (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 ip6tables default deny firewall policy"
# This function will be called if the script status is on enabled / audit mode
audit() {
INPUT_CHAIN_DROP=1
OUTPUT_CHAIN_DROP=1
FORWARD_CHAIN_DROP=1
local input_default=""
local output_default=""
local forward_default=""
input_default=$($SUDO_CMD ip6tables -S INPUT | awk '/^-P/ {print $3}')
output_default=$($SUDO_CMD ip6tables -S OUTPUT | awk '/^-P/ {print $3}')
forward_default=$($SUDO_CMD ip6tables -S FORWARD | awk '/^-P/ {print $3}')
if [ "$input_default" != "DROP" ]; then
crit "ip6tables 'INPUT' chain does not have 'DROP' has default policy"
else
ok "ip6tables 'input' chain has 'DROP' has default policy"
INPUT_CHAIN_DROP=0
fi
if [ "$output_default" != "DROP" ]; then
crit "ip6tables 'OUTPUT' chain does not have 'DROP' has default policy"
else
ok "ip6tables 'OUTPUT' chain has 'DROP' has default policy"
OUTPUT_CHAIN_DROP=0
fi
if [ "$forward_default" != "DROP" ]; then
crit "ip6tables 'FORWARD' chain does not have 'DROP' has default policy"
else
ok "ip6tables 'FORWARD' chain has 'DROP' has default policy"
FORWARD_CHAIN_DROP=0
fi
}
# This function will be called if the script status is on enabled mode
apply() {
audit
if [ "$INPUT_CHAIN_DROP" -ne 0 ]; then
info "Please review your ip6tables default 'INPUT' policy. We wont apply it for you to avoid cutting the branch you are sitting on"
fi
if [ "$OUTPUT_CHAIN_DROP" -ne 0 ]; then
info "Please review your ip6tables default 'OUTPUT' policy. We wont apply it for you to avoid cutting the branch you are sitting on"
fi
if [ "$FORWARD_CHAIN_DROP" -ne 0 ]; then
info "Please review your ip6tables default 'FORWARD' policy. We wont apply it for you to avoid cutting the branch you are sitting on"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
. /etc/default/cis-hardening
fi
if [ -z "$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

114
bin/hardening/ip6tables_loopback.sh Executable file
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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure ip6tables loopback traffic is configured (Automated)
#
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 ip6tables loopback traffic is configured"
PACKAGE="iptables"
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -ne 0 ]; then
crit "$PACKAGE is not installed"
return
fi
is_ipv6_enabled
if [ "$NFRET" -ne 0 ]; then
ok "ipv6 is not enabled"
return
fi
IPTABLES_LOOPBACK_INPUT=1
IPTABLES_LOOPBACK_OUTPUT=1
IPTABLES_LOOPBACK_DENY=1
local input_rules
local output_rules
input_rules=$($SUDO_CMD ip6tables -S INPUT 2>/dev/null)
output_rules=$($SUDO_CMD ip6tables -S OUTPUT 2>/dev/null)
# the '.*' below is in case of comments
# shellcheck disable=2086
if grep "\-A INPUT -i lo.*-j ACCEPT" <<<$input_rules >/dev/null; then
ok "loopback is configured in ip6tables input rules"
IPTABLES_LOOPBACK_INPUT=0
else
crit "loopback is not configured in ip6tables input rules"
fi
# shellcheck disable=2086
if grep "\-A INPUT -s ::1 .*-j DROP" <<<$input_rules >/dev/null; then
ok "::1 is dropped in ip6tables input rules"
IPTABLES_LOOPBACK_DENY=0
else
crit "::1 is not dropped in ip6tables input rules"
fi
# shellcheck disable=2086
if grep "\-A OUTPUT -o lo.*-j ACCEPT" <<<$output_rules >/dev/null; then
ok "loopback is configured in ip6tables output rules"
IPTABLES_LOOPBACK_OUTPUT=0
else
crit "loopback is not configured in ip6tables output rules"
fi
}
# This function will be called if the script status is on enabled mode
apply() {
audit
if [ "$IPTABLES_LOOPBACK_INPUT" -ne 0 ]; then
info "update ip6tables rules to allow loopback input"
ip6tables -A INPUT -i lo -j ACCEPT
fi
if [ "$IPTABLES_LOOPBACK_OUTPUT" -ne 0 ]; then
info "update ip6tables rules to allow loopback" output
ip6tables -A OUTPUT -o lo -j ACCEPT
fi
if [ "$IPTABLES_LOOPBACK_DENY" -ne 0 ]; then
info "update ip6tables rules to drop ::1 input"
ip6tables -A INPUT -s ::1 -j DROP
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

92
bin/hardening/ip6tables_outbound_established.sh Executable file
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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure ip6tables outbound and established connections are configured (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 ip6tables outbound and established connections are configured"
PACKAGE="iptables"
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -ne 0 ]; then
crit "$PACKAGE is not installed"
return
fi
is_ipv6_enabled
if [ "$NFRET" -ne 0 ]; then
ok "ipv6 is not enabled"
return
fi
INPUT_ESTABLISHED=1
OUTPUT_ESTABLISHED=1
local output_established_rules
if $SUDO_CMD ip6tables -S INPUT | grep ESTABLISHED >/dev/null 2>&1; then
INPUT_ESTABLISHED=0
ok "INPUT ESTABLISHED connections are allowed"
else
crit "INPUT ESTABLISHED connections are not allowed"
fi
if $SUDO_CMD ip6tables -S OUTPUT | grep state >/dev/null 2>&1; then
output_established_rules=$($SUDO_CMD ip6tables -S OUTPUT | grep state)
# shellcheck disable=2086
if grep ESTABLISHED <<<$output_established_rules >/dev/null && grep NEW <<<$output_established_rules >/dev/null; then
OUTPUT_ESTABLISHED=0
ok "OUTPUT NEW and ESTABLISHED connections are allowed"
else
crit "OUTPUT NEW and ESTABLISHED connections are not allowed"
fi
else
crit "OUTPUT NEW and ESTABLISHED connections are not allowed"
fi
}
# This function will be called if the script status is on enabled mode
apply() {
if [ "$INPUT_ESTABLISHED" -ne 0 ] || [ "$OUTPUT_ESTABLISHED" -ne 0 ]; then
info "Please review manually your outbound and established connection, and update them accordingly to your site policies"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
. /etc/default/cis-hardening
fi
if [ -z "$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

108
bin/hardening/ip6tables_rule_them_all.sh Executable file
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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure ip6tables firewall rules exist for all open ports (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 ip6tables firewall rules exist for all open ports"
PACKAGE="iptables"
# we are going to
# - list listening ports
# - list ip6tables rules using dport
# - compare both
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -ne 0 ]; then
crit "$PACKAGE is not installed"
return
fi
is_ipv6_enabled
if [ "$NFRET" -ne 0 ]; then
ok "ipv6 is not enabled"
return
fi
IPTABLES_IS_VALID=0
local iptables_ports_rules=""
local listening_ports
# we may have configured some custom chains in INPUT, that need to be checked too.
local custom_chains=""
local builtin_targets="ACCEPT DROP QUEUE RETURN"
for target in $($SUDO_CMD ip6tables -L INPUT | awk '{print $1}' | sed '1,2d'); do
if ! grep "$target" <<<"$builtin_targets" >/dev/null; then
custom_chains="$custom_chains $target"
fi
done
for chain in INPUT $custom_chains; do
# number of fields is not fixed, there may be some comments before and after
# ex:
# udp spt:68 dpt:67 /* DHCP Request */
# /* ssh connection */ tcp dpt:22
iptables_ports_rules="$iptables_ports_rules $($SUDO_CMD ip6tables -nL "$chain" | grep 'dpt:' | sed 's/^.*dpt://g' | awk '{print $1}' | sort -u)"
done
listening_ports=$($SUDO_CMD ss -tuln | awk '($5!~/%lo:/ && $5!~/127.0.0.1:/ && $5!~/\[?::1\]?:/) {split($5, a, ":"); print a[2]}' | sort -u)
for port in $listening_ports; do
if ! grep "$port" <<<"$iptables_ports_rules" >/dev/null; then
crit "$port does not have an ip6tables rule"
IPTABLES_IS_VALID=1
fi
done
if [ "$IPTABLES_IS_VALID" -eq 0 ]; then
ok "all listening ports have a corresponding rule in ufw"
fi
}
# This function will be called if the script status is on enabled mode
apply() {
audit
if [ "$IPTABLES_IS_VALID" -ne 0 ]; then
# Debian 12 CIS marks this script as "Automated", but we wont do it
# How can we know if a rule should be allowed or denied ? From everywhere ? A specific range ?
warn "Please review the ip6tables rules and update them accordingly. We wont do it in an automated way, as we don't know if it should be allowed or denied"
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

108
bin/hardening/iptables_loopback.sh Executable file
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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure iptables loopback traffic is configured (Automated)
#
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 loopback traffic is configured"
PACKAGE="iptables"
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -ne 0 ]; then
crit "$PACKAGE is not installed"
return
fi
IPTABLES_LOOPBACK_INPUT=1
IPTABLES_LOOPBACK_OUTPUT=1
IPTABLES_LOOPBACK_DENY=1
local input_rules
local output_rules
input_rules=$($SUDO_CMD iptables -S INPUT 2>/dev/null)
output_rules=$($SUDO_CMD iptables -S OUTPUT 2>/dev/null)
# the '.*' below is in case of comments
# shellcheck disable=2086
if grep "\-A INPUT -i lo.*-j ACCEPT" <<<$input_rules >/dev/null; then
ok "loopback is configured in iptables input rules"
IPTABLES_LOOPBACK_INPUT=0
else
crit "loopback is not configured in iptables input rules"
fi
# shellcheck disable=2086
if grep "\-A INPUT -s 127.0.0.0/8.*-j DROP" <<<$input_rules >/dev/null; then
ok "127.0.0.0/8 is dropped in iptables input rules"
IPTABLES_LOOPBACK_DENY=0
else
crit "127.0.0.0/8 is not dropped in iptables input rules"
fi
# shellcheck disable=2086
if grep "\-A OUTPUT -o lo.*-j ACCEPT" <<<$output_rules >/dev/null; then
ok "loopback is configured in iptables output rules"
IPTABLES_LOOPBACK_OUTPUT=0
else
crit "loopback is not configured in iptables output rules"
fi
}
# This function will be called if the script status is on enabled mode
apply() {
audit
if [ "$IPTABLES_LOOPBACK_INPUT" -ne 0 ]; then
info "update iptables rules to allow loopback input"
iptables -A INPUT -i lo -j ACCEPT
fi
if [ "$IPTABLES_LOOPBACK_OUTPUT" -ne 0 ]; then
info "update iptables rules to allow loopback" output
iptables -A OUTPUT -o lo -j ACCEPT
fi
if [ "$IPTABLES_LOOPBACK_DENY" -ne 0 ]; then
info "update iptables rules to drop 127.0.0.0/8 input"
iptables -A INPUT -s 127.0.0.0/8 -j DROP
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
. /etc/default/cis-hardening
fi
if [ -z "$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

86
bin/hardening/iptables_outbound_established.sh Executable file
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#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure iptables outbound and established connections are configured (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 outbound and established connections are configured"
PACKAGE="iptables"
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -ne 0 ]; then
crit "$PACKAGE is not installed"
return
fi
INPUT_ESTABLISHED=1
OUTPUT_ESTABLISHED=1
local output_established_rules
if $SUDO_CMD iptables -S INPUT | grep ESTABLISHED >/dev/null 2>&1; then
INPUT_ESTABLISHED=0
ok "INPUT ESTABLISHED connections are allowed"
else
crit "INPUT ESTABLISHED connections are not allowed"
fi
if $SUDO_CMD iptables -S OUTPUT | grep state >/dev/null 2>&1; then
output_established_rules=$($SUDO_CMD iptables -S OUTPUT | grep state)
# shellcheck disable=2086
if grep ESTABLISHED <<<$output_established_rules >/dev/null && grep NEW <<<$output_established_rules >/dev/null; then
OUTPUT_ESTABLISHED=0
ok "OUTPUT NEW and ESTABLISHED connections are allowed"
else
crit "OUTPUT NEW and ESTABLISHED connections are not allowed"
fi
else
crit "OUTPUT NEW and ESTABLISHED connections are not allowed"
fi
}
# This function will be called if the script status is on enabled mode
apply() {
if [ "$INPUT_ESTABLISHED" -ne 0 ] || [ "$OUTPUT_ESTABLISHED" -ne 0 ]; then
info "Please review manually your outbound and established connection, and update them accordingly to your site policies"
fi
}
# This function will check config parameters required
check_config() {
:
}
# Source Root Dir Parameter
if [ -r /etc/default/cis-hardening ]; then
# shellcheck source=../../debian/default
. /etc/default/cis-hardening
fi
if [ -z "$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

102
bin/hardening/iptables_rule_them_all.sh Executable file
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@@ -0,0 +1,102 @@
#!/bin/bash
# run-shellcheck
#
# CIS Debian Hardening
#
#
# Ensure iptables firewall rules exist for all open ports (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 firewall rules exist for all open ports"
PACKAGE="iptables"
# we are going to
# - list listening ports
# - list iptables rules using dport
# - compare both
# This function will be called if the script status is on enabled / audit mode
audit() {
is_pkg_installed "$PACKAGE"
if [ "$FNRET" -ne 0 ]; then
crit "$PACKAGE is not installed"
return
fi
IPTABLES_IS_VALID=0
local iptables_ports_rules=""
local listening_ports
# we may have configured some custom chains in INPUT, that need to be checked too.
local custom_chains=""
local builtin_targets="ACCEPT DROP QUEUE RETURN"
for target in $($SUDO_CMD iptables -L INPUT | awk '{print $1}' | sed '1,2d'); do
if ! grep "$target" <<<"$builtin_targets" >/dev/null; then
custom_chains="$custom_chains $target"
fi
done
for chain in INPUT $custom_chains; do
# number of fields is not fixed, there may be some comments before and after
# ex:
# udp spt:68 dpt:67 /* DHCP Request */
# /* ssh connection */ tcp dpt:22
iptables_ports_rules="$iptables_ports_rules $($SUDO_CMD iptables -nL "$chain" | grep 'dpt:' | sed 's/^.*dpt://g' | awk '{print $1}' | sort -u)"
done
listening_ports=$($SUDO_CMD ss -tuln | awk '($5!~/%lo:/ && $5!~/127.0.0.1:/ && $5!~/\[?::1\]?:/) {split($5, a, ":"); print a[2]}' | sort -u)
for port in $listening_ports; do
if ! grep "$port" <<<"$iptables_ports_rules" >/dev/null; then
crit "$port does not have an iptables rule"
IPTABLES_IS_VALID=1
fi
done
if [ "$IPTABLES_IS_VALID" -eq 0 ]; then
ok "all listening ports have a corresponding rule in ufw"
fi
}
# This function will be called if the script status is on enabled mode
apply() {
audit
if [ "$IPTABLES_IS_VALID" -ne 0 ]; then
# Debian 12 CIS marks this script as "Automated", but we wont do it
# How can we know if a rule should be allowed or denied ? From everywhere ? A specific range ?
warn "Please review the iptables rules and update them accordingly. We wont do it in an automated way, as we don't know if it should be allowed or denied"
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

16
tests/hardening/ip6tables_default_deny_policy.sh Normal file
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# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Prepare test
apt install -y iptables
# not much to test here, unless working on a privileged container
describe Running on blank host
register_test retvalshouldbe 1
# shellcheck disable=2154
run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
describe clean test
apt remove -y iptables
}

16
tests/hardening/ip6tables_loopback.sh Normal file
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# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Prepare test
apt install -y iptables
# not much to test here, unless working on a privileged container
describe Running on blank host
register_test retvalshouldbe 1
# shellcheck disable=2154
run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
describe clean test
apt remove -y iptables
}

16
tests/hardening/ip6tables_outbound_established.sh Normal file
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# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Prepare test
apt install -y iptables
# not much to test here, unless working on a privileged container
describe Running on blank host
register_test retvalshouldbe 1
# shellcheck disable=2154
run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
describe clean test
apt remove -y iptables
}

16
tests/hardening/ip6tables_rule_them_all.sh Normal file
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# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Prepare test
apt install -y iptables
# not much to test here, unless working on a privileged container
describe Running on blank host
register_test retvalshouldbe 1
# shellcheck disable=2154
run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
describe clean test
apt remove -y iptables
}

16
tests/hardening/iptables_loopback.sh Normal file
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# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Prepare test
apt install -y iptables
# not much to test here, unless working on a privileged container
describe Running on blank host
register_test retvalshouldbe 1
# shellcheck disable=2154
run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
describe clean test
apt remove -y iptables
}

16
tests/hardening/iptables_outbound_established.sh Normal file
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# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Prepare test
apt install -y iptables
# not much to test here, unless working on a privileged container
describe Running on blank host
register_test retvalshouldbe 1
# shellcheck disable=2154
run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
describe clean test
apt remove -y iptables
}

16
tests/hardening/iptables_rule_them_all.sh Normal file
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# shellcheck shell=bash
# run-shellcheck
test_audit() {
describe Prepare test
apt install -y iptables
# not much to test here, unless working on a privileged container
describe Running on blank host
register_test retvalshouldbe 1
# shellcheck disable=2154
run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
describe clean test
apt remove -y iptables
}