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Update vps-audit.sh

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Feature: Added support for firewalld, iptables, and nftables in addition to UFW.
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Rob 2024-12-14 13:10:12 -08:00 committed by GitHub
parent 07abec919f
commit 0173a4f599
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1 changed files with 57 additions and 7 deletions
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vps-audit.sh
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@ -135,12 +135,62 @@ else
check_security "SSH Port" "PASS" "Using non-default port $SSH_PORT which helps prevent automated attacks" check_security "SSH Port" "PASS" "Using non-default port $SSH_PORT which helps prevent automated attacks"
fi fi
# Check UFW status # Check Firewall Status
if ufw status | grep -q "active"; then check_firewall_status() {
check_security "Firewall Status" "PASS" "UFW firewall is active and protecting your system" if command -v ufw >/dev/null 2>&1; then
else if ufw status | grep -q "active"; then
check_security "Firewall Status" "FAIL" "UFW firewall is not active - your system is exposed to network attacks" check_security "Firewall Status (UFW)" "PASS" "UFW firewall is active and protecting your system"
fi else
check_security "Firewall Status (UFW)" "FAIL" "UFW firewall is not active - your system is exposed to network attacks"
fi
elif command -v firewall-cmd >/dev/null 2>&1; then
if firewall-cmd --state 2>/dev/null | grep -q "running"; then
check_security "Firewall Status (firewalld)" "PASS" "Firewalld is active and protecting your system"
else
check_security "Firewall Status (firewalld)" "FAIL" "Firewalld is not active - your system is exposed to network attacks"
fi
elif command -v iptables >/dev/null 2>&1; then
if iptables -L | grep -q "Chain INPUT"; then
check_security "Firewall Status (iptables)" "PASS" "iptables rules are active and protecting your system"
else
check_security "Firewall Status (iptables)" "FAIL" "No active iptables rules found - your system may be exposed"
fi
elif command -v nft >/dev/null 2>&1; then
if nft list ruleset | grep -q "table"; then
check_security "Firewall Status (nftables)" "PASS" "nftables rules are active and protecting your system"
else
check_security "Firewall Status (nftables)" "FAIL" "No active nftables rules found - your system may be exposed"
fi
else
check_security "Firewall Status" "FAIL" "No recognized firewall tool is installed on this system"
fi
}
# Function to check and report with three states
check_security() {
local test_name="$1"
local status="$2"
local message="$3"
case $status in
"PASS")
echo -e "${GREEN}[PASS]${NC} $test_name ${GRAY}- $message${NC}"
echo "[PASS] $test_name - $message" >> "$REPORT_FILE"
;;
"WARN")
echo -e "${YELLOW}[WARN]${NC} $test_name ${GRAY}- $message${NC}"
echo "[WARN] $test_name - $message" >> "$REPORT_FILE"
;;
"FAIL")
echo -e "${RED}[FAIL]${NC} $test_name ${GRAY}- $message${NC}"
echo "[FAIL] $test_name - $message" >> "$REPORT_FILE"
;;
esac
echo "" >> "$REPORT_FILE"
}
# Firewall check
check_firewall_status
# Check for unattended upgrades # Check for unattended upgrades
if dpkg -l | grep -q "unattended-upgrades"; then if dpkg -l | grep -q "unattended-upgrades"; then