linutil/tabs/security/firewall-baselines.sh
2024-09-16 22:44:20 -04:00

50 lines
1.3 KiB
Bash

#!/bin/sh -e
. ../common-script.sh
installPkg() {
echo "Install UFW if not already installed..."
if ! command_exists ufw; then
case ${PACKAGER} in
pacman)
$ESCALATION_TOOL "${PACKAGER}" -S --needed --noconfirm ufw
;;
*)
$ESCALATION_TOOL "${PACKAGER}" install -y ufw
;;
esac
else
echo "UFW is already installed."
fi
}
configureUFW() {
printf "%b\n" "${GREEN}Using Chris Titus Recommended Firewall Rules${RC}"
printf "%b\n" "${YELLOW}Disabling UFW${RC}"
$ESCALATION_TOOL ufw disable
printf "%b\n" "${YELLOW}Limiting port 22/tcp (UFW)${RC}"
$ESCALATION_TOOL ufw limit 22/tcp
printf "%b\n" "${YELLOW}Allowing port 80/tcp (UFW)${RC}"
$ESCALATION_TOOL ufw allow 80/tcp
printf "%b\n" "${YELLO}Allowing port 443/tcp (UFW)${RC}"
$ESCALATION_TOOL ufw allow 443/tcp
printf "%b\n" "${YELLOW}Denying Incoming Packets by Default(UFW)${RC}"
$ESCALATION_TOOL ufw default deny incoming
printf "%b\n" "${YELLOW}Allowing Outcoming Packets by Default(UFW)${RC}"
$ESCALATION_TOOL ufw default allow outgoing
$ESCALATION_TOOL ufw enable
printf "%b\n" "${GREEN}Enabled Firewall with Baselines!${RC}"
}
checkEnv
checkEscalationTool
installPkg
configureUFW