Display Lynis suggestions and hide tailscale auth key

This commit is contained in:
Ali Sufyan
2025-08-03 22:57:35 +01:00
parent e3003470f3
commit ed192077e1

View File

@@ -3,6 +3,7 @@
# Debian 12 and Ubuntu Server Hardening Interactive Script
# Version: 0.60 | 2025-07-15
# Changelog:
# - v0.61: Display Lynis suggestions in summary and hide tailscale auth key
# - v0.60: CI for shellcheck
# - v0.59: Add a new optional function that applies a set of recommended sysctl security settings to harden the kernel.
# Script can now check for update and can run self-update.
@@ -121,7 +122,7 @@ print_header() {
echo -e "${CYAN}╔═════════════════════════════════════════════════════════════════╗${NC}"
echo -e "${CYAN}║ ║${NC}"
echo -e "${CYAN}║ DEBIAN/UBUNTU SERVER SETUP AND HARDENING SCRIPT ║${NC}"
echo -e "${CYAN}║ v0.60 | 2025-07-15${NC}"
echo -e "${CYAN}║ v0.61 | 2025-08-03${NC}"
echo -e "${CYAN}║ ║${NC}"
echo -e "${CYAN}╚═════════════════════════════════════════════════════════════════╝${NC}"
echo
@@ -1434,7 +1435,8 @@ install_tailscale() {
done
fi
while true; do
read -rp "$(echo -e "${CYAN}Enter Tailscale pre-auth key: ${NC}")" AUTH_KEY
read -sp "$(echo -e "${CYAN}Enter Tailscale pre-auth key: ${NC}")" AUTH_KEY
echo
if [[ "$TS_CONNECTION" == "1" && "$AUTH_KEY" =~ ^tskey-auth- ]]; then break
elif [[ "$TS_CONNECTION" == "2" && -n "$AUTH_KEY" ]]; then
print_warning "Ensure the pre-auth key is valid for your custom Tailscale server ($LOGIN_SERVER)."
@@ -2175,6 +2177,8 @@ configure_security_audit() {
log "Lynis audit completed successfully."
# Extract hardening index
HARDENING_INDEX=$(grep -oP "Hardening index : \K\d+" "$AUDIT_LOG" || echo "Unknown")
#Extract top suggestions
grep "Suggestion:" /var/log/lynis-report.dat | head -n 5 > /tmp/lynis_suggestions.txt 2>/dev/null || true
# Append Lynis system log for persistence
cat /var/log/lynis.log >> "$AUDIT_LOG" 2>/dev/null
else
@@ -2362,6 +2366,10 @@ generate_summary() {
printf " %-17s%s\n" "- Audit Log:" "${AUDIT_LOG:-N/A}"
printf " %-17s%s\n" "- Hardening Index:" "${HARDENING_INDEX:-Unknown}"
printf " %-17s%s\n" "- Vulnerabilities:" "${DEBSECAN_VULNS:-N/A}"
if [[ -s /tmp/lynis_suggestions.txt ]]; then
echo -e " ${YELLOW}- Top Lynis Suggestions:${NC}"
sed 's/^/ /' /tmp/lynis_suggestions.txt
fi
else
echo -e " Security Audit: ${RED}Not run${NC}"
fi