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unbound variable fix in SSH connection detection

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buildplan
2025-11-24 13:12:06 +00:00
parent 081af04824
commit 17dfe530fa
1 changed files with 6 additions and 5 deletions
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11
du_setup.sh
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@@ -1,8 +1,9 @@
#!/bin/bash
# Debian and Ubuntu Server Hardening Interactive Script
# Version: 0.77.1 | 2025-11-19
# Version: 0.77.2 | 2025-11-24
# Changelog:
# - v0.77.2: unbound variable fix for SSH when on local VM
# - v0.77.1: Auto SSH connection whitelist feat & whitelist deduplication.
# - v0.77: User-configurable ignoreip functionality for configure_fail2ban function.
# Add a few more core packages in install_packages function.
@@ -84,7 +85,7 @@
set -euo pipefail
# --- Update Configuration ---
CURRENT_VERSION="0.77.1"
CURRENT_VERSION="0.77.2"
SCRIPT_URL="https://raw.githubusercontent.com/buildplan/du_setup/refs/heads/main/du_setup.sh"
CHECKSUM_URL="${SCRIPT_URL}.sha256"
@@ -235,7 +236,7 @@ print_header() {
printf '%s\n' "${CYAN}╔═════════════════════════════════════════════════════════════════╗${NC}"
printf '%s\n' "${CYAN}║ ║${NC}"
printf '%s\n' "${CYAN}║ DEBIAN/UBUNTU SERVER SETUP AND HARDENING SCRIPT ║${NC}"
printf '%s\n' "${CYAN}║ v0.77.1 | 2025-11-19 ║${NC}"
printf '%s\n' "${CYAN}║ v0.77.2 | 2025-11-24 ║${NC}"
printf '%s\n' "${CYAN}║ ║${NC}"
printf '%s\n' "${CYAN}╚═════════════════════════════════════════════════════════════════╝${NC}"
printf '\n'
@@ -3656,8 +3657,8 @@ configure_fail2ban() {
local -a INVALID_IPS=()
local prompt_change=""
# NEW: Auto-detect and offer to whitelist current SSH connection
if [[ -n "$SSH_CONNECTION" ]]; then
# Auto-detect and offer to whitelist current SSH connection
if [[ -n "${SSH_CONNECTION:-}" ]]; then
local CURRENT_IP="${SSH_CONNECTION%% *}"
print_info "Detected SSH connection from: $CURRENT_IP"