|
|
#
|
|
|
# Setup Firewall
|
|
|
#
|
|
|
|
|
|
# Load utility functions
|
|
|
. ./functions.sh
|
|
|
|
|
|
if [ "$ENABLE_IPTABLES" = true ] ; then
|
|
|
# Create iptables configuration directory
|
|
|
mkdir -p "${ETC_DIR}/iptables"
|
|
|
|
|
|
# make sure iptables-legacy,iptables-legacy-restore and iptables-legacy-save are the used alternatives
|
|
|
chroot_exec update-alternatives --verbose --set iptables /usr/sbin/iptables-legacy
|
|
|
chroot_exec update-alternatives --verbose --set iptables-save /usr/sbin/iptables-legacy-save
|
|
|
chroot_exec update-alternatives --verbose --set iptables-restore /usr/sbin/iptables-legacy-restore
|
|
|
|
|
|
# Install iptables systemd service
|
|
|
install_readonly files/iptables/iptables.service "${ETC_DIR}/systemd/system/iptables.service"
|
|
|
|
|
|
# Install flush-table script called by iptables service
|
|
|
install_exec files/iptables/flush-iptables.sh "${ETC_DIR}/iptables/flush-iptables.sh"
|
|
|
|
|
|
# Install iptables rule file
|
|
|
install_readonly files/iptables/iptables.rules "${ETC_DIR}/iptables/iptables.rules"
|
|
|
|
|
|
# Reload systemd configuration and enable iptables service
|
|
|
chroot_exec systemctl daemon-reload
|
|
|
chroot_exec systemctl enable iptables.service
|
|
|
|
|
|
if [ "$ENABLE_IPV6" = true ] ; then
|
|
|
# Install ip6tables systemd service
|
|
|
install_readonly files/iptables/ip6tables.service "${ETC_DIR}/systemd/system/ip6tables.service"
|
|
|
|
|
|
# Install ip6tables file
|
|
|
install_exec files/iptables/flush-ip6tables.sh "${ETC_DIR}/iptables/flush-ip6tables.sh"
|
|
|
|
|
|
install_readonly files/iptables/ip6tables.rules "${ETC_DIR}/iptables/ip6tables.rules"
|
|
|
|
|
|
# Reload systemd configuration and enable iptables service
|
|
|
chroot_exec systemctl daemon-reload
|
|
|
chroot_exec systemctl enable ip6tables.service
|
|
|
fi
|
|
|
|
|
|
if [ "$ENABLE_SSHD" = false ] ; then
|
|
|
# Remove SSHD related iptables rules
|
|
|
sed -i "/^#/! {/SSH/ s/^/# /}" "${ETC_DIR}/iptables/iptables.rules" 2> /dev/null
|
|
|
sed -i "/^#/! {/SSH/ s/^/# /}" "${ETC_DIR}/iptables/ip6tables.rules" 2> /dev/null
|
|
|
fi
|
|
|
fi
|
|
|
|
