diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b4d423b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,24 @@
+*.log
+*.tmp
+*.bak
+*.swp
+
+.DS_Store
+.AppleDouble
+.LSOverride
+
+*~
+
+Thumbs.db
+ehthumbs.db
+Desktop.ini
+
+.vscode/
+.idea/
+*.sublime-project
+*.sublime-workspace
+
+.env
+secrets.env
+
+*.backup
diff --git a/README.md b/README.md
index 1e25b2a..0473c42 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Debian & Ubuntu Server Setup & Hardening Script
 
-**Version:** v0.50
+**Version:** v0.51
 
 **Last Updated:** 2025-06-30
 
@@ -46,7 +46,7 @@ This script automates the initial setup and security hardening of a fresh Debian
 ### 1\. Download & Prepare Script
 
 ```
-wget https://raw.githubusercontent.com/buildplan/setup_harden_server/main/du_setup.sh
+wget https://raw.githubusercontent.com/buildplan/du_setup/refs/heads/main/du_setup.sh
 chmod +x du_setup.sh
 ```
 
@@ -60,7 +60,7 @@ This command downloads the official checksum file and automatically compares it
 
 ```
 # Download the official checksum file
-wget https://raw.githubusercontent.com/buildplan/setup_harden_server/main/du_setup.sh.sha256
+wget https://raw.githubusercontent.com/buildplan/du_setup/refs/heads/main/du_setup.sh.sha256
 
 # Run the check (it should output: du_setup.sh: OK)
 sha256sum -c du_setup.sh.sha256
@@ -75,7 +75,7 @@ sha256sum du_setup.sh
 
 Compare the output hash to the one below. They must match exactly.
 
-`86d08c58198c1b754329484f6bba79326d847649467851dfa89da250b3e6fd6b`
+`91e0cd8daf4550c0c51733ad06dda7b6034a6084ee897371736c8414d0b5f02c`
 
 ### 3\. Run the Script
 
diff --git a/du_setup.sh b/du_setup.sh
index 12a6a67..33274e7 100644
--- a/du_setup.sh
+++ b/du_setup.sh
@@ -1,8 +1,9 @@
 #!/bin/bash
 
 # Debian 12 and Ubuntu Server Hardening Interactive Script
-# Version: 0.50 | 2025-06-30
+# Version: 0.51 | 2025-06-30
 # Changelog:
+# - v0.51: corrected repo links
 # - v0.50: versioning format change and repo name change
 # - v4.3: Add SHA256 integrity verification
 # - v4.2: Added Security Audit Tools (Integrating Lynis and Optionally Debsecan) & option to do Backup Testing
@@ -16,14 +17,14 @@
 # configurations, user management, SSH hardening, firewall setup, and optional features
 # like Docker and Tailscale and automated backups to Hetzner storage box or any rsync location.
 # It is designed to be idempotent, safe.
-# README at GitHub: https://github.com/buildplan/setup_harden_server
+# README at GitHub: https://github.com/buildplan/du_setup/blob/main/README.md
 #
 # Prerequisites:
 # - Run as root on a fresh Debian 12 or Ubuntu server (e.g., sudo ./du_setup.sh or run as root ./du_setup.sh).
 # - Internet connectivity is required for package installation.
 #
 # Usage:
-#   Download: wget https://raw.githubusercontent.com/buildplan/setup_harden_server/refs/heads/main/du_setup.sh
+#   Download: wget https://raw.githubusercontent.com/buildplan/du_setup/refs/heads/main/du_setup.sh
 #   Make it executable: chmod +x du_setup.sh
 #   Run it: sudo ./du_setup.sh [--quiet]
 #
@@ -89,7 +90,7 @@ print_header() {
     echo -e "${CYAN}╔═════════════════════════════════════════════════════════════════╗${NC}"
     echo -e "${CYAN}║                                                                 ║${NC}"
     echo -e "${CYAN}║       DEBIAN/UBUNTU SERVER SETUP AND HARDENING SCRIPT           ║${NC}"
-    echo -e "${CYAN}║                      v0.50 | 2025-06-30                         ║${NC}"
+    echo -e "${CYAN}║                      v0.51 | 2025-06-30                         ║${NC}"
     echo -e "${CYAN}║                                                                 ║${NC}"
     echo -e "${CYAN}╚═════════════════════════════════════════════════════════════════╝${NC}"
     echo
diff --git a/du_setup.sh.sha256 b/du_setup.sh.sha256
index fec7868..01f327a 100644
--- a/du_setup.sh.sha256
+++ b/du_setup.sh.sha256
@@ -1 +1 @@
-86d08c58198c1b754329484f6bba79326d847649467851dfa89da250b3e6fd6b  du_setup.sh
+91e0cd8daf4550c0c51733ad06dda7b6034a6084ee897371736c8414d0b5f02c  du_setup.sh