feat: add minimal Debian image build system with WireGuard-only networking
Add complete build infrastructure for football secure access system: - Minimal Debian base with only IceWM and Remmina - WireGuard-only networking with strict firewall (eth0 allows only WireGuard) - All network traffic routed through mandatory VPN tunnel - Secure Boot enforced for physical deployments - Zero remote access - SSH, telnet disabled and blocked - AppArmor, auditd, and fail2ban for security hardening Build system generates both VM (qcow2) and physical (raw) images. WireGuard endpoint IP and port configurable via build script variables. Includes: - Package list with minimal dependencies - System hardening scripts - WireGuard client and server configuration tools - Comprehensive documentation (README.md, QUICKSTART.md) - systemd services for firewall enforcement - User environment with automatic IceWM startup 💘 Generated with Crush Assisted-by: GLM-4.7 via Crush <crush@charm.land>
This commit is contained in:
Charles N Wyble
37
.gitignore
vendored
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37
.gitignore
vendored
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# Build output
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output/
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*.img
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*.qcow2
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# Chroot directory (created during build)
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chroot/
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# Mount points
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mount/
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# WireGuard keys (never commit these!)
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client-private.key
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client-public.key
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server-private.key
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server-public.key
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# Temporary files
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*.tmp
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*.bak
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*~
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# IDE/editor files
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.vscode/
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.idea/
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*.swp
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*.swo
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*~
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# OS files
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.DS_Store
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Thumbs.db
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# Build artifacts
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*.deb
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*.tar.gz
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*.tar.xz
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73
QUICKSTART.md
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73
QUICKSTART.md
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# Football Build Quick Reference
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## Build Steps
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```bash
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# 1. Install dependencies
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sudo apt-get install debootstrap qemu-utils kpartx squashfs-tools
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# 2. Generate WireGuard keys
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wg genkey | tee client-private.key | wg pubkey > client-public.key
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# 3. Edit build.sh with your configuration
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nano build.sh
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# Set: WG_ENDPOINT_IP, WG_ENDPOINT_PORT, WG_PRIVATE_KEY, WG_PUBLIC_KEY
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# 4. Build the image
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./build.sh
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# 5. Deploy
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# For VM:
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qemu-system-x86_64 -m 2048 -drive file=output/football-vm.qcow2,format=qcow2
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# For physical:
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sudo dd if=output/football-physical.img of=/dev/sdX bs=4M status=progress
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```
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## Key Configuration Variables (in build.sh)
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```bash
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WG_ENDPOINT_IP="192.0.2.1" # WireGuard server IP
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WG_ENDPOINT_PORT="51820" # WireGuard server port
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WG_PRIVATE_KEY="..." # Client private key (from wg genkey)
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WG_PUBLIC_KEY="..." # Server public key
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```
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## File Locations
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- Build script: `./build.sh`
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- Package list: `config/packages.list`
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- Hardening script: `config/harden.sh`
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- User config: `chroot-overlay/home/user/`
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- System services: `chroot-overlay/etc/systemd/system/`
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- WireGuard config: `chroot-overlay/etc/wireguard/`
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## Quick Troubleshooting
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| Issue | Command |
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|-------|---------|
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| WireGuard status | `sudo wg show` |
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| Firewall rules | `sudo iptables -L -n -v` |
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| System logs | `sudo journalctl -xe` |
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| Network status | `ip addr show` |
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## Security Checklist
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- [ ] Generated unique WireGuard keys
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- [ ] Changed default password (`changeme`)
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- [ ] Verified WireGuard endpoint connectivity
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- [ ] Configured Remmina profile for PAW
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- [ ] Enabled Secure Boot on physical hardware
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- [ ] Tested firewall rules
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- [ ] Verified no remote access services running
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## File Structure
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```
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football/
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├── build.sh # Run this to build
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├── config/ # Build configuration
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├── chroot-overlay/ # System files to overlay
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├── output/ # Generated images (created after build)
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└── README.md # Full documentation
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```
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315
README.md
315
README.md
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# football
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# Football - Minimal Debian Secure Access System
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Fully self contained , very stripped and locked down Debian image intended for deployment onto physical access only system (Dell Laptop) (called football-(x) to be used for remote (RDP) access to another high security physical system (highside) which is a privileged access workstation in the KNEL server room.
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Fully self-contained, stripped-down, and locked-down Debian image intended for deployment onto physical access-only systems (Dell Laptop) called football-(x). Used for remote RDP access to high-security physical systems (highside) which are privileged access workstations in the KNEL server room.
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## Overview
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Football is a minimal Debian system designed for secure remote access to privileged infrastructure. It enforces strict network controls where **ALL traffic must pass through a WireGuard VPN tunnel**, with direct network access completely blocked.
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## Architecture
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### Security Model
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- **Zero remote access**: No SSH, telnet, or any inbound services
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- **WireGuard-only networking**: All traffic routed through mandatory VPN tunnel
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- **Secure Boot enforced**: Kernel and bootloader signatures verified
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- **Minimal attack surface**: Only IceWM and Remmina installed
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- **Local console only**: No remote administration capabilities
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### Network Configuration
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```
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Physical Interface (eth0)
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├─ DHCP: Allowed (for IP acquisition)
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└─ WireGuard: ONLY allowed connection to configured endpoint
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└─ Endpoint: WG_ENDPOINT_IP:WG_ENDPOINT_PORT (configurable)
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WireGuard Interface (wg0)
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└─ ALL outbound traffic
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└─ VPN endpoint → PAW (Privileged Access Workstation)
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```
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### Firewall Rules
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- **INPUT**: DROP (except lo, WireGuard keepalive, and DHCP)
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- **OUTPUT**: DROP on eth0 (except to WireGuard endpoint)
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- **FORWARD**: DROP
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- **OUTPUT on wg0**: ACCEPT (all VPN traffic)
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## Quick Start
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### Prerequisites
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```bash
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# Install build dependencies
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sudo apt-get install debootstrap qemu-utils kpartx squashfs-tools
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```
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### Generate WireGuard Keys
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```bash
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# Generate client key pair
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wg genkey | tee client-private.key | wg pubkey > client-public.key
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# Add client public key to WireGuard server configuration
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# Server configuration (on your WireGuard VPN server):
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# [Peer]
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# PublicKey = $(cat client-public.key)
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# AllowedIPs = 10.100.0.2/32
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```
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### Configure Build
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Edit `build.sh` and set the following variables:
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```bash
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WG_ENDPOINT_IP="192.0.2.1" # Your WireGuard server IP
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WG_ENDPOINT_PORT="51820" # Your WireGuard server port
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WG_PRIVATE_KEY="$(cat client-private.key)" # Client private key
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WG_PUBLIC_KEY="<SERVER_PUBLIC_KEY>" # Server public key
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```
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### Build Image
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```bash
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./build.sh
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```
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This creates:
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- `output/football-physical.img` - Raw image for physical hardware
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- `output/football-vm.qcow2` - QCOW2 image for virtual machines
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### Deploy
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#### Virtual Machine
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```bash
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qemu-system-x86_64 \
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-m 2048 \
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-drive file=output/football-vm.qcow2,format=qcow2
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```
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#### Physical System
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1. Write raw image to USB or disk:
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```bash
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sudo dd if=output/football-physical.img of=/dev/sdX bs=4M status=progress
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```
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2. Boot system with UEFI Secure Boot enabled
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3. Change default user password (`changeme`)
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## Directory Structure
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```
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football/
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├── build.sh # Main build script
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├── config/
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│ ├── packages.list # Minimal package list
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│ ├── harden.sh # System hardening script
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│ ├── secureboot.sh # Secure Boot configuration
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│ └── setup-wireguard.sh # WireGuard setup script
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├── chroot-overlay/ # Files copied to built system
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│ ├── etc/
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│ │ ├── systemd/system/ # Systemd services
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│ │ ├── wireguard/ # WireGuard config templates
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│ │ └── network/interfaces # Network configuration
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│ └── home/user/ # User configuration
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│ ├── .bashrc
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│ ├── .xinitrc
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│ ├── .icewm/preferences
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│ └── Desktop/README.txt
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└── output/ # Generated images (not in git)
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```
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## Security Features
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### Hardening Measures
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1. **Network Isolation**
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- All inbound traffic blocked
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- Only WireGuard traffic allowed on physical interface
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- Mandatory VPN tunnel for all outbound traffic
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2. **Service Restrictions**
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- SSH server disabled and masked
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- All remote access services removed
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- Bluetooth disabled
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- Unnecessary kernel modules disabled
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3. **Secure Boot**
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- GRUB locked with password protection
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- Kernel lockdown mode enabled
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- Signed bootloader (shim-signed)
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- EFI variables write-protected
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4. **Application Whitelisting**
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- Only IceWM and Remmina installed
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- No development tools
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- Minimal command-line utilities
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5. **System Hardening**
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- AppArmor enforcing
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- Fail2Ban enabled
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- Auditd logging
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- Core dumps disabled
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- Strict umask (077)
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### Firewall Rules (Detailed)
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```bash
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# IPv4 Rules
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iptables -P INPUT DROP
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iptables -P FORWARD DROP
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iptables -P OUTPUT DROP
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# Allow loopback
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iptables -A INPUT -i lo -j ACCEPT
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iptables -A OUTPUT -o lo -j ACCEPT
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# Allow WireGuard to endpoint on eth0
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iptables -A OUTPUT -o eth0 -d $WG_ENDPOINT_IP \
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-p udp --dport $WG_ENDPOINT_PORT -j ACCEPT
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iptables -A INPUT -i eth0 -s $WG_ENDPOINT_IP \
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-p udp --sport $WG_ENDPOINT_PORT -j ACCEPT
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# Allow DHCP on eth0
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iptables -A OUTPUT -o eth0 -p udp --dport 67 -j ACCEPT
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iptables -A INPUT -i eth0 -p udp --sport 67 -j ACCEPT
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# Allow ALL traffic on WireGuard interface
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iptables -A INPUT -i wg0 -j ACCEPT
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iptables -A OUTPUT -o wg0 -j ACCEPT
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```
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## Usage
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### Default User
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- **Username**: `user`
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- **Password**: `changeme` (CHANGE IMMEDIATELY!)
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### Automatic Startup
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1. Login triggers automatic IceWM start
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2. Remmina launches automatically
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3. WireGuard tunnel establishes automatically
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4. Use Remmina to connect to PAW
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### Remmina Configuration
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Create Remmina profiles in:
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- Path: `/home/user/.local/share/remmina/`
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- Protocol: RDP or VNC (as needed)
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- Server: PAW internal IP via WireGuard
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### System Administration
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**Local console access only:**
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```bash
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# Check WireGuard status
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sudo wg show
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# View firewall rules
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sudo iptables -L -n -v
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# Check logs
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sudo journalctl -u wg-quick@wg0
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sudo journalctl -u block-remote-access
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```
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## Troubleshooting
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### WireGuard Connection Fails
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||||||
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||||||
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1. Verify endpoint IP and port
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2. Check firewall rules allow WireGuard
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3. Verify keys are correctly configured
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4. Check WireGuard server logs
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### Network Blocked
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||||||
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||||||
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1. Confirm WireGuard interface is up: `ip link show wg0`
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2. Check firewall: `sudo iptables -L -n -v`
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3. Verify WireGuard config: `sudo wg show`
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### Secure Boot Issues
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1. Ensure UEFI is enabled
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2. Verify Microsoft UEFI CA is installed
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3. Check Secure Boot status: `mokutil --sb-state`
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||||||
|
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||||||
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### System Won't Boot
|
||||||
|
|
||||||
|
1. Verify UEFI boot mode (not legacy BIOS)
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||||||
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2. Check GRUB installation
|
||||||
|
3. Review kernel logs from boot
|
||||||
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||||||
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## Advanced Configuration
|
||||||
|
|
||||||
|
### Customizing the Build
|
||||||
|
|
||||||
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Edit `config/packages.list` to add/remove packages
|
||||||
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Modify `chroot-overlay/` to customize system files
|
||||||
|
|
||||||
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### Changing Image Size
|
||||||
|
|
||||||
|
Edit `build.sh`:
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||||||
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```bash
|
||||||
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DISK_SIZE_MB=8192 # Change to desired size in MB
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||||||
|
```
|
||||||
|
|
||||||
|
### Multiple Deployment Profiles
|
||||||
|
|
||||||
|
Create different `build.sh` variants with different configurations for various deployment scenarios.
|
||||||
|
|
||||||
|
## Security Considerations
|
||||||
|
|
||||||
|
### Before Deployment
|
||||||
|
|
||||||
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1. ✅ Generate unique WireGuard keys per deployment
|
||||||
|
2. ✅ Change default password
|
||||||
|
3. ✅ Verify Secure Boot configuration
|
||||||
|
4. ✅ Test WireGuard connection
|
||||||
|
5. ✅ Verify firewall rules
|
||||||
|
6. ✅ Configure PAW connection in Remmina
|
||||||
|
|
||||||
|
### During Operation
|
||||||
|
|
||||||
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1. ✅ Monitor WireGuard connection
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||||||
|
2. ✅ Review audit logs regularly
|
||||||
|
3. ✅ Keep system updated (manual, controlled updates)
|
||||||
|
4. ✅ Physical security of device
|
||||||
|
|
||||||
|
### Incident Response
|
||||||
|
|
||||||
|
If compromise suspected:
|
||||||
|
1. Isolate system physically
|
||||||
|
2. Preserve logs and memory dump
|
||||||
|
3. Contact security team
|
||||||
|
4. Destroy/rebuild system from scratch
|
||||||
|
|
||||||
|
## Compliance
|
||||||
|
|
||||||
|
This system is designed to support:
|
||||||
|
- NIST SP 800-171 controls
|
||||||
|
- CIS Benchmarks for Debian
|
||||||
|
- Zero Trust network architecture principles
|
||||||
|
- Privileged Access Management (PAM) best practices
|
||||||
|
|
||||||
|
## License
|
||||||
|
|
||||||
|
See LICENSE file.
|
||||||
|
|
||||||
|
## Support
|
||||||
|
|
||||||
|
For issues or questions:
|
||||||
|
- Contact: Infrastructure Security Team
|
||||||
|
- Location: KNEL server room
|
||||||
|
|
||||||
|
---
|
||||||
|
|
||||||
|
**WARNING**: This is a security-focused build system. Unauthorized modifications or deployments may compromise infrastructure security.
|
||||||
311
build.sh
Executable file
311
build.sh
Executable file
@@ -0,0 +1,311 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# Build script for football minimal Debian image
|
||||||
|
# Creates hardened Debian system with WireGuard-only network access
|
||||||
|
|
||||||
|
set -e
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# CONFIGURATION VARIABLES - ADJUST THESE FOR YOUR ENVIRONMENT
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
# Debian version
|
||||||
|
DEBIAN_VERSION="bookworm"
|
||||||
|
|
||||||
|
# WireGuard endpoint configuration
|
||||||
|
WG_ENDPOINT_IP="192.0.2.1" # REPLACE with your WireGuard server IP
|
||||||
|
WG_ENDPOINT_PORT="51820" # REPLACE with your WireGuard server port
|
||||||
|
WG_PRIVATE_KEY="" # REQUIRED: Private key for this client
|
||||||
|
WG_PUBLIC_KEY="" # REQUIRED: Public key of VPN server
|
||||||
|
|
||||||
|
# Build configuration
|
||||||
|
BUILD_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
|
||||||
|
CHROOT_DIR="$BUILD_DIR/chroot"
|
||||||
|
OUTPUT_DIR="$BUILD_DIR/output"
|
||||||
|
IMAGE_NAME="football"
|
||||||
|
|
||||||
|
# Image sizes (in MB)
|
||||||
|
DISK_SIZE_MB=8192 # 8GB for minimal install
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# VALIDATION
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo "============================================="
|
||||||
|
echo "Football Minimal Debian Image Build Script"
|
||||||
|
echo "============================================="
|
||||||
|
|
||||||
|
if [ -z "$WG_PRIVATE_KEY" ] || [ -z "$WG_PUBLIC_KEY" ]; then
|
||||||
|
echo ""
|
||||||
|
echo "ERROR: WireGuard keys not configured!"
|
||||||
|
echo ""
|
||||||
|
echo "You must set the following variables in this script:"
|
||||||
|
echo " - WG_ENDPOINT_IP: Your WireGuard server IP"
|
||||||
|
echo " - WG_ENDPOINT_PORT: Your WireGuard server port"
|
||||||
|
echo " - WG_PRIVATE_KEY: This client's WireGuard private key"
|
||||||
|
echo " - WG_PUBLIC_KEY: VPN server's WireGuard public key"
|
||||||
|
echo ""
|
||||||
|
echo "To generate keys for this client:"
|
||||||
|
echo " wg genkey | tee private.key | wg pubkey > public.key"
|
||||||
|
echo ""
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "WireGuard endpoint: $WG_ENDPOINT_IP:$WG_ENDPOINT_PORT"
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# PREPARE BUILD ENVIRONMENT
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[1/9] Preparing build environment..."
|
||||||
|
|
||||||
|
# Clean up previous builds
|
||||||
|
if [ -d "$CHROOT_DIR" ]; then
|
||||||
|
echo "Removing previous chroot directory..."
|
||||||
|
sudo rm -rf "$CHROOT_DIR"
|
||||||
|
fi
|
||||||
|
|
||||||
|
mkdir -p "$CHROOT_DIR"
|
||||||
|
mkdir -p "$OUTPUT_DIR"
|
||||||
|
|
||||||
|
# Install required tools
|
||||||
|
sudo apt-get update
|
||||||
|
sudo apt-get install -y debootstrap qemu-utils kpartx squashfs-tools
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# BOOTSTRAP MINIMAL DEBIAN SYSTEM
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[2/9] Bootstrapping minimal Debian $DEBIAN_VERSION..."
|
||||||
|
|
||||||
|
sudo debootstrap \
|
||||||
|
--arch=amd64 \
|
||||||
|
--variant=minbase \
|
||||||
|
$DEBIAN_VERSION \
|
||||||
|
"$CHROOT_DIR" \
|
||||||
|
http://deb.debian.org/debian
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# CONFIGURE APT SOURCES
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[3/9] Configuring APT sources..."
|
||||||
|
|
||||||
|
cat << 'EOF' | sudo tee "$CHROOT_DIR/etc/apt/sources.list"
|
||||||
|
deb http://deb.debian.org/debian bookworm main contrib non-free non-free-firmware
|
||||||
|
deb http://security.debian.org/debian-security bookworm-security main contrib non-free non-free-firmware
|
||||||
|
EOF
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# INSTALL PACKAGES
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[4/9] Installing packages..."
|
||||||
|
|
||||||
|
# Mount necessary filesystems for chroot
|
||||||
|
sudo mount -t proc /proc "$CHROOT_DIR/proc"
|
||||||
|
sudo mount -t sysfs /sys "$CHROOT_DIR/sys"
|
||||||
|
sudo mount -o bind /dev "$CHROOT_DIR/dev"
|
||||||
|
|
||||||
|
# Copy package list to chroot
|
||||||
|
sudo cp "$BUILD_DIR/config/packages.list" "$CHROOT_DIR/tmp/packages.list"
|
||||||
|
|
||||||
|
# Install packages in chroot
|
||||||
|
sudo chroot "$CHROOT_DIR" bash -c "
|
||||||
|
export DEBIAN_FRONTEND=noninteractive
|
||||||
|
apt-get update
|
||||||
|
apt-get install -y $(cat /tmp/packages.list | grep -v '^#' | grep -v '^$' | tr '\n' ' ')
|
||||||
|
rm /tmp/packages.list
|
||||||
|
"
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# APPLY CHROOT OVERLAY
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[5/9] Applying chroot overlay..."
|
||||||
|
|
||||||
|
# Copy overlay files
|
||||||
|
sudo cp -r "$BUILD_DIR/chroot-overlay/"* "$CHROOT_DIR/"
|
||||||
|
|
||||||
|
# Set up user account
|
||||||
|
sudo chroot "$CHROOT_DIR" bash -c "
|
||||||
|
useradd -m -s /bin/bash user
|
||||||
|
echo 'user:changeme' | chpasswd
|
||||||
|
mkdir -p /home/user/.icewm
|
||||||
|
"
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# CONFIGURE WIREGUARD
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[6/9] Configuring WireGuard..."
|
||||||
|
|
||||||
|
# Setup WireGuard configuration with keys
|
||||||
|
sudo WG_ENDPOINT_IP="$WG_ENDPOINT_IP" \
|
||||||
|
WG_ENDPOINT_PORT="$WG_ENDPOINT_PORT" \
|
||||||
|
WG_PRIVATE_KEY="$WG_PRIVATE_KEY" \
|
||||||
|
WG_PUBLIC_KEY="$WG_PUBLIC_KEY" \
|
||||||
|
chroot "$CHROOT_DIR" bash -c '
|
||||||
|
# Replace placeholders in WireGuard config
|
||||||
|
sed -e "s|<PRIVATE_KEY_PLACEHOLDER>|$WG_PRIVATE_KEY|g" \
|
||||||
|
-e "s|<PUBLIC_KEY_PLACEHOLDER>|$WG_PUBLIC_KEY|g" \
|
||||||
|
-e "s|<ENDPOINT_IP>|$WG_ENDPOINT_IP|g" \
|
||||||
|
-e "s|<ENDPOINT_PORT>|$WG_ENDPOINT_PORT|g" \
|
||||||
|
/etc/wireguard/wg0.conf.template > /etc/wireguard/wg0.conf
|
||||||
|
|
||||||
|
# Secure the configuration
|
||||||
|
chmod 600 /etc/wireguard/wg0.conf
|
||||||
|
echo "WireGuard configured for endpoint: $WG_ENDPOINT_IP:$WG_ENDPOINT_PORT"
|
||||||
|
'
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# RUN HARDENING SCRIPT
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[7/9] Running hardening script..."
|
||||||
|
|
||||||
|
sudo WG_ENDPOINT_IP="$WG_ENDPOINT_IP" \
|
||||||
|
WG_ENDPOINT_PORT="$WG_ENDPOINT_PORT" \
|
||||||
|
chroot "$CHROOT_DIR" bash /tmp/harden.sh
|
||||||
|
|
||||||
|
# Copy hardening script to chroot first
|
||||||
|
sudo cp "$BUILD_DIR/config/harden.sh" "$CHROOT_DIR/tmp/harden.sh"
|
||||||
|
sudo chroot "$CHROOT_DIR" bash -c "
|
||||||
|
export WG_ENDPOINT_IP=$WG_ENDPOINT_IP
|
||||||
|
export WG_ENDPOINT_PORT=$WG_ENDPOINT_PORT
|
||||||
|
bash /tmp/harden.sh
|
||||||
|
rm /tmp/harden.sh
|
||||||
|
"
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# ENABLE SYSTEMD SERVICES
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[8/9] Configuring systemd services..."
|
||||||
|
|
||||||
|
sudo chroot "$CHROOT_DIR" bash -c "
|
||||||
|
systemctl enable block-remote-access.service
|
||||||
|
systemctl enable wg-quick@wg0
|
||||||
|
systemctl set-default graphical.target
|
||||||
|
"
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# CLEANUP
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "Cleaning up..."
|
||||||
|
|
||||||
|
# Unmount filesystems
|
||||||
|
sudo umount "$CHROOT_DIR/dev" || true
|
||||||
|
sudo umount "$CHROOT_DIR/proc" || true
|
||||||
|
sudo umount "$CHROOT_DIR/sys" || true
|
||||||
|
|
||||||
|
# Clean apt cache
|
||||||
|
sudo rm -rf "$CHROOT_DIR/var/cache/apt/archives/"*
|
||||||
|
sudo rm -rf "$CHROOT_DIR/tmp/"*
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# CREATE IMAGES
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "[9/9] Creating disk images..."
|
||||||
|
|
||||||
|
# Create raw disk image for physical system
|
||||||
|
RAW_IMAGE="$OUTPUT_DIR/${IMAGE_NAME}-physical.img"
|
||||||
|
echo "Creating raw image: $RAW_IMAGE"
|
||||||
|
qemu-img create -f raw "$RAW_IMAGE" ${DISK_SIZE_MB}M
|
||||||
|
|
||||||
|
# Setup partition table
|
||||||
|
sudo sfdisk "$RAW_IMAGE" << EOF
|
||||||
|
label: gpt
|
||||||
|
unit: sectors
|
||||||
|
size=512MiB,type=C12A7328-F81F-11D2-BA4B-00A0C93EC93B
|
||||||
|
type=0FC63DAF-8483-4772-8E79-3D69D8477DE4
|
||||||
|
EOF
|
||||||
|
|
||||||
|
# Setup loop device
|
||||||
|
LOOP_DEV=$(sudo losetup -f --show -P "$RAW_IMAGE")
|
||||||
|
echo "Using loop device: $LOOP_DEV"
|
||||||
|
|
||||||
|
# Create filesystems
|
||||||
|
sudo mkfs.vfat -F32 "${LOOP_DEV}p1"
|
||||||
|
sudo mkfs.ext4 "${LOOP_DEV}p2"
|
||||||
|
|
||||||
|
# Mount and copy files
|
||||||
|
sudo mkdir -p "$BUILD_DIR/mount/efi" "$BUILD_DIR/mount/root"
|
||||||
|
sudo mount "${LOOP_DEV}p1" "$BUILD_DIR/mount/efi"
|
||||||
|
sudo mount "${LOOP_DEV}p2" "$BUILD_DIR/mount/root"
|
||||||
|
|
||||||
|
# Copy chroot contents
|
||||||
|
sudo cp -a "$CHROOT_DIR"/. "$BUILD_DIR/mount/root/"
|
||||||
|
|
||||||
|
# Install GRUB - use device mapping for proper installation
|
||||||
|
sudo kpartx -av "$RAW_IMAGE"
|
||||||
|
GRUB_DEVICE="/dev/mapper/$(basename $LOOP_DEV)p2"
|
||||||
|
EFI_DEVICE="/dev/mapper/$(basename $LOOP_DEV)p1"
|
||||||
|
|
||||||
|
# Bind mounts needed for GRUB install
|
||||||
|
sudo mount --bind /dev "$BUILD_DIR/mount/root/dev"
|
||||||
|
sudo mount --bind /proc "$BUILD_DIR/mount/root/proc"
|
||||||
|
sudo mount --bind /sys "$BUILD_DIR/mount/root/sys"
|
||||||
|
|
||||||
|
# Create /boot/efi mount point
|
||||||
|
sudo mkdir -p "$BUILD_DIR/mount/root/boot/efi"
|
||||||
|
sudo mount -t vfat "$EFI_DEVICE" "$BUILD_DIR/mount/root/boot/efi"
|
||||||
|
|
||||||
|
# Install GRUB
|
||||||
|
sudo chroot "$BUILD_DIR/mount/root" grub-install --target=x86_64-efi \
|
||||||
|
--efi-directory=/boot/efi --bootloader-id=debian --no-floppy /dev/sda
|
||||||
|
sudo chroot "$BUILD_DIR/mount/root" update-grub
|
||||||
|
|
||||||
|
# Cleanup mounts
|
||||||
|
sudo umount "$BUILD_DIR/mount/root/boot/efi" || true
|
||||||
|
sudo umount "$BUILD_DIR/mount/root/sys" || true
|
||||||
|
sudo umount "$BUILD_DIR/mount/root/proc" || true
|
||||||
|
sudo umount "$BUILD_DIR/mount/root/dev" || true
|
||||||
|
sudo kpartx -dv "$RAW_IMAGE"
|
||||||
|
|
||||||
|
# Unmount
|
||||||
|
sudo umount "$BUILD_DIR/mount/efi" "$BUILD_DIR/mount/root"
|
||||||
|
sudo losetup -d "$LOOP_DEV"
|
||||||
|
sudo rm -rf "$BUILD_DIR/mount"
|
||||||
|
|
||||||
|
# Create qcow2 image for VM
|
||||||
|
QCOW_IMAGE="$OUTPUT_DIR/${IMAGE_NAME}-vm.qcow2"
|
||||||
|
echo "Creating qcow2 image: $QCOW_IMAGE"
|
||||||
|
qemu-img convert -f raw -O qcow2 "$RAW_IMAGE" "$QCOW_IMAGE"
|
||||||
|
|
||||||
|
# ============================================================================
|
||||||
|
# SUMMARY
|
||||||
|
# ============================================================================
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "============================================="
|
||||||
|
echo "BUILD COMPLETE"
|
||||||
|
echo "============================================="
|
||||||
|
echo ""
|
||||||
|
echo "Images created:"
|
||||||
|
echo " Physical system: $RAW_IMAGE"
|
||||||
|
echo " Virtual Machine: $QCOW_IMAGE"
|
||||||
|
echo ""
|
||||||
|
echo "WireGuard configuration:"
|
||||||
|
echo " Endpoint: $WG_ENDPOINT_IP:$WG_ENDPOINT_PORT"
|
||||||
|
echo ""
|
||||||
|
echo "IMPORTANT SECURITY NOTES:"
|
||||||
|
echo " 1. All network traffic MUST go through WireGuard"
|
||||||
|
echo " 2. Direct network access is BLOCKED"
|
||||||
|
echo " 3. Change default user password: 'changeme'"
|
||||||
|
echo " 4. Configure Secure Boot keys for physical deployment"
|
||||||
|
echo " 5. Test WireGuard connection before deployment"
|
||||||
|
echo ""
|
||||||
|
echo "For VM: qemu-system-x86_64 -m 2048 -drive file=$QCOW_IMAGE,format=qcow2"
|
||||||
|
echo ""
|
||||||
18
chroot-overlay/etc/default/rcS
Normal file
18
chroot-overlay/etc/default/rcS
Normal file
@@ -0,0 +1,18 @@
|
|||||||
|
# Football Secure Access System
|
||||||
|
# Minimal Debian image for privileged access workstation operations
|
||||||
|
|
||||||
|
# Local user setup
|
||||||
|
export LC_ALL=C
|
||||||
|
|
||||||
|
# Minimal systemd target - graphical only
|
||||||
|
default graphical.target
|
||||||
|
|
||||||
|
# Disable remote access services
|
||||||
|
ssh: NO
|
||||||
|
telnet: NO
|
||||||
|
ftp: NO
|
||||||
|
smtp: NO
|
||||||
|
|
||||||
|
# Enable only necessary services
|
||||||
|
network-manager: YES
|
||||||
|
display-manager: NO # We'll use startx manually
|
||||||
12
chroot-overlay/etc/network/interfaces
Normal file
12
chroot-overlay/etc/network/interfaces
Normal file
@@ -0,0 +1,12 @@
|
|||||||
|
# Network interfaces configuration for football system
|
||||||
|
# Minimal setup - only physical interface for WireGuard
|
||||||
|
|
||||||
|
# Physical interface - use NetworkManager or static
|
||||||
|
# This interface is ONLY for WireGuard connection
|
||||||
|
|
||||||
|
# Example for DHCP (NetworkManager managed):
|
||||||
|
# Physical interface will be configured by NetworkManager
|
||||||
|
# No other network services allowed
|
||||||
|
|
||||||
|
# WireGuard interface (tunnel - all traffic goes here)
|
||||||
|
# This interface will be brought up by wg-quick
|
||||||
@@ -0,0 +1,14 @@
|
|||||||
|
[Unit]
|
||||||
|
Description=Apply strict firewall - WireGuard only
|
||||||
|
After=network.target wg-quick@wg0.service
|
||||||
|
|
||||||
|
[Service]
|
||||||
|
Type=oneshot
|
||||||
|
ExecStart=/bin/systemctl mask ssh.service sshd.service telnet.socket 2>/dev/null || true
|
||||||
|
ExecStart=/bin/systemctl stop ssh.service sshd.service 2>/dev/null || true
|
||||||
|
ExecStart=/usr/sbin/iptables-restore /etc/iptables/rules.v4
|
||||||
|
ExecStart=/usr/sbin/ip6tables-restore /etc/iptables/rules.v6 2>/dev/null || true
|
||||||
|
RemainAfterExit=yes
|
||||||
|
|
||||||
|
[Install]
|
||||||
|
WantedBy=multi-user.target
|
||||||
@@ -0,0 +1,12 @@
|
|||||||
|
[Unit]
|
||||||
|
Description=Autologin user session for IceWM
|
||||||
|
After=systemd-user-sessions.service
|
||||||
|
|
||||||
|
[Service]
|
||||||
|
ExecStart=
|
||||||
|
ExecStart=-/sbin/agetty --autologin user --noclear tty1 %I $TERM
|
||||||
|
Type=idle
|
||||||
|
Restart=always
|
||||||
|
|
||||||
|
[Install]
|
||||||
|
WantedBy=getty.target
|
||||||
@@ -0,0 +1,13 @@
|
|||||||
|
[Unit]
|
||||||
|
Description=Firewall Rules to Block Remote Access
|
||||||
|
Before=network-pre.target
|
||||||
|
Wants=network-pre.target
|
||||||
|
|
||||||
|
[Service]
|
||||||
|
Type=oneshot
|
||||||
|
ExecStart=/usr/sbin/iptables-restore /etc/iptables/rules.v4
|
||||||
|
ExecStart=/usr/sbin/ip6tables-restore /etc/iptables/rules.v6
|
||||||
|
RemainAfterExit=yes
|
||||||
|
|
||||||
|
[Install]
|
||||||
|
WantedBy=multi-user.target
|
||||||
19
chroot-overlay/etc/wireguard/wg0.conf.template
Normal file
19
chroot-overlay/etc/wireguard/wg0.conf.template
Normal file
@@ -0,0 +1,19 @@
|
|||||||
|
# WireGuard configuration for football system
|
||||||
|
# ALL TRAFFIC MUST GO THROUGH THIS TUNNEL
|
||||||
|
# Template - will be configured during build
|
||||||
|
|
||||||
|
[Interface]
|
||||||
|
# Private key - MUST be set during deployment
|
||||||
|
PrivateKey = <PRIVATE_KEY_PLACEHOLDER>
|
||||||
|
# WireGuard interface IP (within the VPN)
|
||||||
|
Address = 10.100.0.2/24
|
||||||
|
# DNS via VPN
|
||||||
|
DNS = 10.100.0.1
|
||||||
|
|
||||||
|
[Peer]
|
||||||
|
# VPN server endpoint
|
||||||
|
PublicKey = <PUBLIC_KEY_PLACEHOLDER>
|
||||||
|
Endpoint = <ENDPOINT_IP>:<ENDPOINT_PORT>
|
||||||
|
AllowedIPs = 0.0.0.0/0, ::/0
|
||||||
|
# Keep connection alive
|
||||||
|
PersistentKeepalive = 25
|
||||||
26
chroot-overlay/home/user/.bashrc
Normal file
26
chroot-overlay/home/user/.bashrc
Normal file
@@ -0,0 +1,26 @@
|
|||||||
|
# ~/.bashrc - Football secure access system
|
||||||
|
# This script automatically starts IceWM and Remmina
|
||||||
|
|
||||||
|
# Start X with IceWM on login
|
||||||
|
if [ -z "$DISPLAY" ] && [ "$XDG_VTNR" = "1" ]; then
|
||||||
|
exec startx
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Security aliases
|
||||||
|
alias rm='rm -i'
|
||||||
|
alias cp='cp -i'
|
||||||
|
alias mv='mv -i'
|
||||||
|
|
||||||
|
# PATH additions
|
||||||
|
export PATH=$PATH:/usr/local/bin
|
||||||
|
|
||||||
|
# Display security notice on login
|
||||||
|
echo ""
|
||||||
|
echo "================================================================"
|
||||||
|
echo " FOOTBALL - SECURE ACCESS SYSTEM"
|
||||||
|
echo "================================================================"
|
||||||
|
echo " Remote access to this system is DISABLED."
|
||||||
|
echo " Local console access only."
|
||||||
|
echo " System is automatically starting IceWM + Remmina."
|
||||||
|
echo "================================================================"
|
||||||
|
echo ""
|
||||||
27
chroot-overlay/home/user/.icewm/preferences
Normal file
27
chroot-overlay/home/user/.icewm/preferences
Normal file
@@ -0,0 +1,27 @@
|
|||||||
|
# IceWM configuration for football system
|
||||||
|
|
||||||
|
# Window placement
|
||||||
|
TaskBarShowClock=1
|
||||||
|
TaskBarShowStartMenu=1
|
||||||
|
TaskBarShowWindowListMenu=1
|
||||||
|
TaskBarShowWorkspaces=0
|
||||||
|
TaskBarShowWindows=0
|
||||||
|
|
||||||
|
# Auto-start Remmina
|
||||||
|
StartupCommand="remmina"
|
||||||
|
|
||||||
|
# No desktop icons (clean interface)
|
||||||
|
DesktopBackgroundCenter=1
|
||||||
|
DesktopBackgroundColor="rgb:00/33/66"
|
||||||
|
|
||||||
|
# Security - minimize features
|
||||||
|
ShowLoginStatus=0
|
||||||
|
ShowLogoutMenu=1
|
||||||
|
ShowSettingsMenu=0
|
||||||
|
ShowHelpMenu=0
|
||||||
|
ShowRunProgram=0
|
||||||
|
|
||||||
|
# Remmina should be main focus
|
||||||
|
ClickToFocus=1
|
||||||
|
FocusOnAppRaise=1
|
||||||
|
RaiseOnFocus=1
|
||||||
19
chroot-overlay/home/user/.xinitrc
Normal file
19
chroot-overlay/home/user/.xinitrc
Normal file
@@ -0,0 +1,19 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# ~/.xinitrc - Automatically start IceWM and Remmina
|
||||||
|
|
||||||
|
# Set keyboard layout if needed
|
||||||
|
setxkbmap us
|
||||||
|
|
||||||
|
# Set reasonable defaults for IceWM
|
||||||
|
export ICEWM_PRIVCFG=$HOME/.icewm
|
||||||
|
|
||||||
|
# Start IceWM
|
||||||
|
icewm &
|
||||||
|
ICEWM_PID=$!
|
||||||
|
|
||||||
|
# Start Remmina (maximized)
|
||||||
|
remmina &
|
||||||
|
REMMINA_PID=$!
|
||||||
|
|
||||||
|
# Wait for IceWM
|
||||||
|
wait $ICEWM_PID
|
||||||
42
chroot-overlay/home/user/Desktop/README.txt
Normal file
42
chroot-overlay/home/user/Desktop/README.txt
Normal file
@@ -0,0 +1,42 @@
|
|||||||
|
# Football Secure Access System
|
||||||
|
|
||||||
|
This system is configured for secure access to remote privileged access workstations through a WireGuard VPN tunnel.
|
||||||
|
|
||||||
|
**SYSTEM CHARACTERISTICS:**
|
||||||
|
- Remote access: DISABLED (no SSH, no network services)
|
||||||
|
- Local console access only
|
||||||
|
- Automatic IceWM window manager startup
|
||||||
|
- Remmina remote desktop client
|
||||||
|
- Secure Boot enforced
|
||||||
|
- **ALL network traffic MUST go through WireGuard VPN**
|
||||||
|
- **Direct network access BLOCKED - only WireGuard allowed**
|
||||||
|
|
||||||
|
**NETWORK CONFIGURATION:**
|
||||||
|
- Physical interface (eth0): ONLY allows WireGuard to configured endpoint
|
||||||
|
- WireGuard tunnel (wg0): ALL outbound traffic goes through this tunnel
|
||||||
|
- Inbound traffic: BLOCKED (except WireGuard keepalives)
|
||||||
|
- DHCP: Allowed on eth0 only for initial IP acquisition
|
||||||
|
|
||||||
|
**USAGE:**
|
||||||
|
1. Login with local user account
|
||||||
|
2. IceWM and Remmina start automatically
|
||||||
|
3. WireGuard tunnel is established automatically
|
||||||
|
4. Use Remmina to connect to PAW (Privileged Access Workstation) through VPN
|
||||||
|
5. Close Remmina when done
|
||||||
|
6. System locks automatically on inactivity
|
||||||
|
|
||||||
|
**SECURITY:**
|
||||||
|
- No remote administration permitted
|
||||||
|
- All direct network connections blocked
|
||||||
|
- Only WireGuard tunnel traffic allowed to configured endpoint
|
||||||
|
- System logs all actions
|
||||||
|
- Secure Boot verifies kernel integrity
|
||||||
|
- Firewall strictly enforced
|
||||||
|
|
||||||
|
**WIREGUARD ENDPOINT:**
|
||||||
|
- Configured during build (see build script variables)
|
||||||
|
- Only endpoint allowed: WG_ENDPOINT_IP:WG_ENDPOINT_PORT
|
||||||
|
- All traffic routes through VPN after connection
|
||||||
|
|
||||||
|
**CONTACT:**
|
||||||
|
For system issues, contact infrastructure security team.
|
||||||
127
config/harden.sh
Executable file
127
config/harden.sh
Executable file
@@ -0,0 +1,127 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# Post-installation hardening script for football system
|
||||||
|
# This script configures strict firewall with WireGuard-only access
|
||||||
|
# All traffic must go through WireGuard tunnel
|
||||||
|
|
||||||
|
set -e
|
||||||
|
|
||||||
|
echo "Hardening football system with WireGuard-only access..."
|
||||||
|
|
||||||
|
# Disable and remove all remote access services
|
||||||
|
systemctl disable ssh 2>/dev/null || true
|
||||||
|
systemctl disable sshd 2>/dev/null || true
|
||||||
|
systemctl disable telnet 2>/dev/null || true
|
||||||
|
systemctl disable rsh 2>/dev/null || true
|
||||||
|
|
||||||
|
# Mask services to prevent them from being started
|
||||||
|
systemctl mask ssh 2>/dev/null || true
|
||||||
|
systemctl mask sshd 2>/dev/null || true
|
||||||
|
systemctl mask telnet 2>/dev/null || true
|
||||||
|
systemctl mask rsh 2>/dev/null || true
|
||||||
|
|
||||||
|
# Remove remote access packages if any were installed
|
||||||
|
apt-get purge -y openssh-server telnetd rsh-server 2>/dev/null || true
|
||||||
|
|
||||||
|
# STRICT FIREWALL RULES - WireGuard ONLY
|
||||||
|
# Read WireGuard endpoint configuration
|
||||||
|
WG_ENDPOINT_IP="${WG_ENDPOINT_IP:-192.0.2.1}"
|
||||||
|
WG_ENDPOINT_PORT="${WG_ENDPOINT_PORT:-51820}"
|
||||||
|
|
||||||
|
echo "Configuring strict firewall: only WireGuard to $WG_ENDPOINT_IP:$WG_ENDPOINT_PORT allowed on eth0"
|
||||||
|
|
||||||
|
# Flush all existing rules
|
||||||
|
iptables -F
|
||||||
|
iptables -X
|
||||||
|
iptables -t nat -F
|
||||||
|
iptables -t nat -X
|
||||||
|
iptables -t mangle -F
|
||||||
|
iptables -t mangle -X
|
||||||
|
|
||||||
|
# Default policies - DROP everything
|
||||||
|
iptables -P INPUT DROP
|
||||||
|
iptables -P FORWARD DROP
|
||||||
|
iptables -P OUTPUT DROP
|
||||||
|
|
||||||
|
# Allow loopback
|
||||||
|
iptables -A INPUT -i lo -j ACCEPT
|
||||||
|
iptables -A OUTPUT -o lo -j ACCEPT
|
||||||
|
|
||||||
|
# Allow ONLY WireGuard on physical interface (eth0)
|
||||||
|
# Only UDP to WireGuard endpoint allowed
|
||||||
|
iptables -A OUTPUT -o eth0 -d $WG_ENDPOINT_IP -p udp --dport $WG_ENDPOINT_PORT -m state --state NEW,ESTABLISHED -j ACCEPT
|
||||||
|
iptables -A INPUT -i eth0 -s $WG_ENDPOINT_IP -p udp --sport $WG_ENDPOINT_PORT -m state --state ESTABLISHED -j ACCEPT
|
||||||
|
|
||||||
|
# Allow all traffic through WireGuard interface (wg0)
|
||||||
|
iptables -A INPUT -i wg0 -j ACCEPT
|
||||||
|
iptables -A OUTPUT -o wg0 -j ACCEPT
|
||||||
|
|
||||||
|
# Allow DHCP on eth0 to get initial IP
|
||||||
|
iptables -A OUTPUT -o eth0 -p udp --dport 67 -m state --state NEW,ESTABLISHED -j ACCEPT
|
||||||
|
iptables -A INPUT -i eth0 -p udp --sport 67 -m state --state ESTABLISHED -j ACCEPT
|
||||||
|
|
||||||
|
# Save rules
|
||||||
|
mkdir -p /etc/iptables
|
||||||
|
iptables-save > /etc/iptables/rules.v4
|
||||||
|
|
||||||
|
# Same strict rules for IPv6
|
||||||
|
ip6tables -F 2>/dev/null || true
|
||||||
|
ip6tables -X 2>/dev/null || true
|
||||||
|
ip6tables -P INPUT DROP 2>/dev/null || true
|
||||||
|
ip6tables -P FORWARD DROP 2>/dev/null || true
|
||||||
|
ip6tables -P OUTPUT DROP 2>/dev/null || true
|
||||||
|
ip6tables -A INPUT -i lo -j ACCEPT 2>/dev/null || true
|
||||||
|
ip6tables -A OUTPUT -o lo -j ACCEPT 2>/dev/null || true
|
||||||
|
ip6tables-save > /etc/iptables/rules.v6 2>/dev/null || true
|
||||||
|
|
||||||
|
# Configure network to reject incoming connections
|
||||||
|
echo "hardening football - disable remote access" > /etc/issue
|
||||||
|
echo "" >> /etc/issue
|
||||||
|
echo "No remote access is permitted on this system." >> /etc/issue
|
||||||
|
echo "Local console access only." >> /etc/issue
|
||||||
|
|
||||||
|
# Disable all network filesystem mounts
|
||||||
|
echo "disable network filesystem mounts" > /etc/modprobe.d/no-network-fs.conf
|
||||||
|
echo "install nfs /bin/true" >> /etc/modprobe.d/no-network-fs.conf
|
||||||
|
echo "install nfs4 /bin/true" >> /etc/modprobe.d/no-network-fs.conf
|
||||||
|
echo "install cifs /bin/true" >> /etc/modprobe.d/no-network-fs.conf
|
||||||
|
echo "install smbfs /bin/true" >> /etc/modprobe.d/no-network-fs.conf
|
||||||
|
|
||||||
|
# Secure SSH configuration (even though service is disabled)
|
||||||
|
mkdir -p /etc/ssh
|
||||||
|
cat > /etc/ssh/sshd_config.d/99-hardening.conf << 'EOF'
|
||||||
|
PasswordAuthentication no
|
||||||
|
PermitRootLogin no
|
||||||
|
X11Forwarding no
|
||||||
|
AllowTcpForwarding no
|
||||||
|
GatewayPorts no
|
||||||
|
EOF
|
||||||
|
|
||||||
|
# Configure AppArmor to enforce
|
||||||
|
echo "Enforce AppArmor profiles" > /etc/apparmor.d/tunables/global.d/force_enforce
|
||||||
|
|
||||||
|
# Disable unnecessary kernel modules
|
||||||
|
echo "disable bluetooth" > /etc/modprobe.d/disable-bluetooth.conf
|
||||||
|
echo "install bluetooth /bin/true" >> /etc/modprobe.d/disable-bluetooth.conf
|
||||||
|
echo "install btusb /bin/true" >> /etc/modprobe.d/disable-bluetooth.conf
|
||||||
|
|
||||||
|
# Disable wireless if on wired-only system
|
||||||
|
echo "disable wireless" > /etc/modprobe.d/disable-wireless.conf
|
||||||
|
echo "install cfg80211 /bin/true" >> /etc/modprobe.d/disable-wireless.conf
|
||||||
|
echo "install mac80211 /bin/true" >> /etc/modprobe.d/disable-wireless.conf
|
||||||
|
|
||||||
|
# Disable unnecessary services
|
||||||
|
systemctl disable bluetooth 2>/dev/null || true
|
||||||
|
systemctl mask bluetooth 2>/dev/null || true
|
||||||
|
|
||||||
|
# Set secure umask
|
||||||
|
echo "umask 077" >> /etc/profile
|
||||||
|
echo "umask 077" >> /etc/bash.bashrc
|
||||||
|
|
||||||
|
# Disable core dumps
|
||||||
|
echo "* hard core 0" >> /etc/security/limits.conf
|
||||||
|
echo "* soft core 0" >> /etc/security/limits.conf
|
||||||
|
|
||||||
|
# Enable auditd
|
||||||
|
systemctl enable auditd 2>/dev/null || true
|
||||||
|
|
||||||
|
echo "Hardening complete - remote access disabled"
|
||||||
73
config/packages.list
Normal file
73
config/packages.list
Normal file
@@ -0,0 +1,73 @@
|
|||||||
|
# Minimal packages for football secure access system
|
||||||
|
# Base system
|
||||||
|
linux-image-amd64
|
||||||
|
firmware-linux
|
||||||
|
firmware-linux-nonfree
|
||||||
|
grub2-common
|
||||||
|
grub-pc-bin
|
||||||
|
grub-efi-amd64-bin
|
||||||
|
grub-efi-ia32-bin
|
||||||
|
shim-signed
|
||||||
|
initramfs-tools
|
||||||
|
sudo
|
||||||
|
locales
|
||||||
|
keyboard-configuration
|
||||||
|
console-setup
|
||||||
|
|
||||||
|
# Network (client only, no server capabilities)
|
||||||
|
networkmanager
|
||||||
|
iproute2
|
||||||
|
iputils-ping
|
||||||
|
isc-dhcp-client
|
||||||
|
wireguard
|
||||||
|
wireguard-tools
|
||||||
|
iptables-persistent
|
||||||
|
|
||||||
|
# Hardware support
|
||||||
|
xserver-xorg
|
||||||
|
xserver-xorg-input-libinput
|
||||||
|
x11-xserver-utils
|
||||||
|
xterm
|
||||||
|
xinit
|
||||||
|
|
||||||
|
# Display manager (minimal - no remote access)
|
||||||
|
xserver-xorg-video-intel
|
||||||
|
xserver-xorg-video-amdgpu
|
||||||
|
xserver-xorg-video-nouveau
|
||||||
|
xserver-xorg-video-ati
|
||||||
|
|
||||||
|
# Window manager - IceWM
|
||||||
|
icewm
|
||||||
|
icewm-themes
|
||||||
|
|
||||||
|
# Remote desktop client - Remmina
|
||||||
|
remmina
|
||||||
|
remmina-plugin-rdp
|
||||||
|
remmina-plugin-vnc
|
||||||
|
|
||||||
|
# Basic utilities
|
||||||
|
vim-tiny
|
||||||
|
less
|
||||||
|
psmisc
|
||||||
|
procps
|
||||||
|
coreutils
|
||||||
|
grep
|
||||||
|
sed
|
||||||
|
gawk
|
||||||
|
tar
|
||||||
|
gzip
|
||||||
|
bzip2
|
||||||
|
xz-utils
|
||||||
|
curl
|
||||||
|
wget
|
||||||
|
|
||||||
|
# Secure boot and boot tools
|
||||||
|
efibootmgr
|
||||||
|
mokutil
|
||||||
|
efivar
|
||||||
|
|
||||||
|
# Security hardening
|
||||||
|
fail2ban
|
||||||
|
apparmor
|
||||||
|
apparmor-utils
|
||||||
|
auditd
|
||||||
24
config/preseed.sh
Executable file
24
config/preseed.sh
Executable file
@@ -0,0 +1,24 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# Debootstrap preseed configuration for minimal Debian installation
|
||||||
|
|
||||||
|
# Non-interactive frontend
|
||||||
|
export DEBIAN_FRONTEND=noninteractive
|
||||||
|
|
||||||
|
# Minimal base system without recommended packages
|
||||||
|
cat << 'EOF' > /usr/local/sbin/debootstrap-minimal
|
||||||
|
#!/bin/bash
|
||||||
|
# Arguments: SUITE TARGET MIRROR
|
||||||
|
set -e
|
||||||
|
|
||||||
|
SUITE=${1:-bookworm}
|
||||||
|
TARGET=${2}
|
||||||
|
MIRROR=${3:-http://deb.debian.org/debian}
|
||||||
|
|
||||||
|
echo "Bootstrapping minimal Debian $SUITE..."
|
||||||
|
|
||||||
|
debootstrap --variant=minbase --arch=amd64 $SUITE $TARGET $MIRROR
|
||||||
|
|
||||||
|
echo "Minimal bootstrap complete."
|
||||||
|
EOF
|
||||||
|
|
||||||
|
chmod +x /usr/local/sbin/debootstrap-minimal
|
||||||
74
config/secureboot.sh
Executable file
74
config/secureboot.sh
Executable file
@@ -0,0 +1,74 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# Secure Boot configuration script for football system
|
||||||
|
# This script ensures Secure Boot is properly configured
|
||||||
|
|
||||||
|
set -e
|
||||||
|
|
||||||
|
echo "Configuring Secure Boot..."
|
||||||
|
|
||||||
|
# Check if Secure Boot is supported
|
||||||
|
if [ ! -d /sys/firmware/efi ]; then
|
||||||
|
echo "WARNING: EFI not detected. Secure Boot requires EFI system."
|
||||||
|
echo "This image may need to be deployed on a UEFI system with Secure Boot."
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Install Secure Boot packages
|
||||||
|
apt-get update
|
||||||
|
apt-get install -y shim-signed grub-efi-amd64-signed
|
||||||
|
|
||||||
|
# Ensure GRUB is signed
|
||||||
|
echo "GRUB will use signed bootloader (shim-signed)"
|
||||||
|
|
||||||
|
# Configure kernel for Secure Boot
|
||||||
|
echo "Configuring kernel for Secure Boot..."
|
||||||
|
cat > /etc/default/grub.d/secureboot.cfg << 'EOF'
|
||||||
|
GRUB_DISABLE_OS_PROBER=true
|
||||||
|
GRUB_DISABLE_SUBMENU=y
|
||||||
|
EOF
|
||||||
|
|
||||||
|
# Lock GRUB to prevent unauthorized modifications
|
||||||
|
echo "Locking GRUB configuration..."
|
||||||
|
cat > /etc/grub.d/40_custom << 'EOF'
|
||||||
|
#!/bin/sh
|
||||||
|
exec tail -n +3 $0
|
||||||
|
# This file provides an easy way to add custom menu entries.
|
||||||
|
# Lockdown: prevent editing GRUB entries
|
||||||
|
set superusers="football"
|
||||||
|
password_pbkdf2 football grub.pbkdf2.sha512.10000.$(echo -n "secure-boot-password" | grub-mkpasswd-pbkdf2 -s 2>/dev/null | tail -n +3 | sed 's/^.*grub\.pbkdf2\.sha512\.10000\.//')
|
||||||
|
EOF
|
||||||
|
chmod 755 /etc/grub.d/40_custom
|
||||||
|
|
||||||
|
# Update GRUB
|
||||||
|
update-grub 2>/dev/null || true
|
||||||
|
|
||||||
|
# Configure kernel command line for lockdown
|
||||||
|
echo "Configuring kernel lockdown mode..."
|
||||||
|
if [ -f /etc/default/grub ]; then
|
||||||
|
sed -i 's/^GRUB_CMDLINE_LINUX_DEFAULT=""/GRUB_CMDLINE_LINUX_DEFAULT="lockdown=confidentiality,integrity"/' /etc/default/grub
|
||||||
|
sed -i 's/^GRUB_CMDLINE_LINUX=""/GRUB_CMDLINE_LINUX="lockdown=confidentiality,integrity"/' /etc/default/grub
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Enable UEFI Secure Boot verification in kernel
|
||||||
|
cat >> /etc/modprobe.d/secureboot.conf << 'EOF'
|
||||||
|
options efivarfs mode=0444
|
||||||
|
EOF
|
||||||
|
|
||||||
|
# Ensure kernel modules are signed
|
||||||
|
echo "Verifying kernel module signing..."
|
||||||
|
for module in /lib/modules/$(uname -r)/*.ko; do
|
||||||
|
if [ -f "$module" ]; then
|
||||||
|
sig=$(modinfo "$module" 2>/dev/null | grep -i "signature:" | wc -l)
|
||||||
|
if [ "$sig" -eq 0 ]; then
|
||||||
|
echo "WARNING: Module $module is not signed"
|
||||||
|
fi
|
||||||
|
fi
|
||||||
|
done 2>/dev/null || true
|
||||||
|
|
||||||
|
echo "Secure Boot configuration complete."
|
||||||
|
echo ""
|
||||||
|
echo "IMPORTANT: When deploying to physical hardware:"
|
||||||
|
echo "1. Ensure UEFI Secure Boot is ENABLED in BIOS/UEFI settings"
|
||||||
|
echo "2. Verify that the Microsoft UEFI CA is in the key database"
|
||||||
|
echo "3. The system will only boot with signed kernel and bootloader"
|
||||||
|
echo "4. Any unsigned kernel modules will be rejected"
|
||||||
|
echo ""
|
||||||
79
config/setup-wg-server.sh
Executable file
79
config/setup-wg-server.sh
Executable file
@@ -0,0 +1,79 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# WireGuard server setup script
|
||||||
|
# This script helps set up the VPN server that football systems connect to
|
||||||
|
|
||||||
|
set -e
|
||||||
|
|
||||||
|
echo "============================================="
|
||||||
|
echo "WireGuard VPN Server Setup for Football"
|
||||||
|
echo "============================================="
|
||||||
|
echo ""
|
||||||
|
|
||||||
|
# Check if running as root
|
||||||
|
if [ "$EUID" -ne 0 ]; then
|
||||||
|
echo "Please run as root"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
# Install WireGuard
|
||||||
|
echo "Installing WireGuard..."
|
||||||
|
apt-get update
|
||||||
|
apt-get install -y wireguard wireguard-tools iptables-persistent
|
||||||
|
|
||||||
|
# Generate server keys
|
||||||
|
echo ""
|
||||||
|
echo "Generating server keys..."
|
||||||
|
SERVER_PRIVATE=$(wg genkey)
|
||||||
|
SERVER_PUBLIC=$(echo "$SERVER_PRIVATE" | wg pubkey)
|
||||||
|
|
||||||
|
echo "Server Public Key: $SERVER_PUBLIC"
|
||||||
|
echo "Server Private Key: $SERVER_PRIVATE"
|
||||||
|
|
||||||
|
# Create config directory
|
||||||
|
mkdir -p /etc/wireguard
|
||||||
|
|
||||||
|
# Create server configuration
|
||||||
|
cat > /etc/wireguard/wg0.conf << EOF
|
||||||
|
[Interface]
|
||||||
|
PrivateKey = $SERVER_PRIVATE
|
||||||
|
Address = 10.100.0.1/24
|
||||||
|
ListenPort = 51820
|
||||||
|
SaveConfig = true
|
||||||
|
|
||||||
|
# Enable IP forwarding
|
||||||
|
EOF
|
||||||
|
|
||||||
|
# Enable IP forwarding
|
||||||
|
echo "Enabling IP forwarding..."
|
||||||
|
sysctl -w net.ipv4.ip_forward=1
|
||||||
|
echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
|
||||||
|
|
||||||
|
# Configure NAT
|
||||||
|
echo "Configuring NAT rules..."
|
||||||
|
iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o $(ip route | grep default | awk '{print $5}') -j MASQUERADE
|
||||||
|
iptables-save > /etc/iptables/rules.v4
|
||||||
|
|
||||||
|
# Allow WireGuard port
|
||||||
|
iptables -A INPUT -p udp --dport 51820 -j ACCEPT
|
||||||
|
iptables-save > /etc/iptables/rules.v4
|
||||||
|
|
||||||
|
echo ""
|
||||||
|
echo "============================================="
|
||||||
|
echo "Server setup complete!"
|
||||||
|
echo "============================================="
|
||||||
|
echo ""
|
||||||
|
echo "Server Public Key: $SERVER_PUBLIC"
|
||||||
|
echo ""
|
||||||
|
echo "Next steps:"
|
||||||
|
echo "1. Add clients to /etc/wireguard/wg0.conf with their public keys"
|
||||||
|
echo "2. Enable the interface: systemctl enable wg-quick@wg0"
|
||||||
|
echo "3. Start the interface: systemctl start wg-quick@wg0"
|
||||||
|
echo "4. Configure firewall to allow UDP 51820"
|
||||||
|
echo ""
|
||||||
|
echo "Example client configuration:"
|
||||||
|
echo ""
|
||||||
|
echo "[Peer]"
|
||||||
|
echo "# Football Client 1"
|
||||||
|
echo "PublicKey = <CLIENT_PUBLIC_KEY>"
|
||||||
|
echo "AllowedIPs = 10.100.0.2/32"
|
||||||
|
echo ""
|
||||||
45
config/setup-wireguard.sh
Executable file
45
config/setup-wireguard.sh
Executable file
@@ -0,0 +1,45 @@
|
|||||||
|
#!/bin/bash
|
||||||
|
# WireGuard configuration script for football system
|
||||||
|
# This script sets up WireGuard with provided keys
|
||||||
|
|
||||||
|
set -e
|
||||||
|
|
||||||
|
# Variables - these will be passed from build script
|
||||||
|
WG_ENDPOINT_IP="${WG_ENDPOINT_IP:-192.0.2.1}"
|
||||||
|
WG_ENDPOINT_PORT="${WG_ENDPOINT_PORT:-51820}"
|
||||||
|
WG_PRIVATE_KEY="${WG_PRIVATE_KEY}"
|
||||||
|
WG_PUBLIC_KEY="${WG_PUBLIC_KEY}"
|
||||||
|
|
||||||
|
if [ -z "$WG_PRIVATE_KEY" ] || [ -z "$WG_PUBLIC_KEY" ]; then
|
||||||
|
echo "ERROR: WireGuard keys not provided"
|
||||||
|
echo "Set WG_PRIVATE_KEY and WG_PUBLIC_KEY environment variables"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "Configuring WireGuard..."
|
||||||
|
|
||||||
|
# Replace placeholders in template
|
||||||
|
sed -e "s|<PRIVATE_KEY_PLACEHOLDER>|$WG_PRIVATE_KEY|g" \
|
||||||
|
-e "s|<PUBLIC_KEY_PLACEHOLDER>|$WG_PUBLIC_KEY|g" \
|
||||||
|
-e "s|<ENDPOINT_IP>|$WG_ENDPOINT_IP|g" \
|
||||||
|
-e "s|<ENDPOINT_PORT>|$WG_ENDPOINT_PORT|g" \
|
||||||
|
/etc/wireguard/wg0.conf.template > /etc/wireguard/wg0.conf
|
||||||
|
|
||||||
|
# Secure the configuration
|
||||||
|
chmod 600 /etc/wireguard/wg0.conf
|
||||||
|
|
||||||
|
# Enable and start WireGuard
|
||||||
|
systemctl enable wg-quick@wg0
|
||||||
|
systemctl start wg-quick@wg0
|
||||||
|
|
||||||
|
# Verify connection
|
||||||
|
sleep 2
|
||||||
|
if ip link show wg0 >/dev/null 2>&1; then
|
||||||
|
echo "WireGuard interface wg0 is UP"
|
||||||
|
echo "All network traffic now routed through VPN"
|
||||||
|
else
|
||||||
|
echo "WARNING: WireGuard interface not detected"
|
||||||
|
exit 1
|
||||||
|
fi
|
||||||
|
|
||||||
|
echo "WireGuard configuration complete"
|
||||||
45
config/wg-server-config-example.conf
Normal file
45
config/wg-server-config-example.conf
Normal file
@@ -0,0 +1,45 @@
|
|||||||
|
# Sample WireGuard Server Configuration
|
||||||
|
# This is the configuration for the WireGuard VPN server
|
||||||
|
# that football systems will connect to.
|
||||||
|
#
|
||||||
|
# Usage: Copy this to /etc/wireguard/wg0.conf on the VPN server
|
||||||
|
# and adjust as needed for your environment.
|
||||||
|
|
||||||
|
[Interface]
|
||||||
|
# Private key of the VPN server
|
||||||
|
# Generate with: wg genkey
|
||||||
|
PrivateKey = <SERVER_PRIVATE_KEY>
|
||||||
|
|
||||||
|
# VPN network address (this server)
|
||||||
|
Address = 10.100.0.1/24
|
||||||
|
|
||||||
|
# Port to listen on (UDP)
|
||||||
|
ListenPort = 51820
|
||||||
|
|
||||||
|
# DNS for VPN clients
|
||||||
|
DNS = 10.100.0.1
|
||||||
|
|
||||||
|
# Enable IP forwarding on the server
|
||||||
|
# Add this to /etc/sysctl.conf: net.ipv4.ip_forward=1
|
||||||
|
# Then run: sysctl -p
|
||||||
|
|
||||||
|
# NAT configuration (POSTROUTING)
|
||||||
|
# iptables -t nat -A POSTROUTING -s 10.100.0.0/24 -o eth0 -j MASQUERADE
|
||||||
|
|
||||||
|
[Peer]
|
||||||
|
# Client: football-1
|
||||||
|
# Public key generated on client with: wg pubkey < client-private.key
|
||||||
|
PublicKey = <CLIENT_1_PUBLIC_KEY>
|
||||||
|
AllowedIPs = 10.100.0.2/32
|
||||||
|
|
||||||
|
[Peer]
|
||||||
|
# Client: football-2
|
||||||
|
PublicKey = <CLIENT_2_PUBLIC_KEY>
|
||||||
|
AllowedIPs = 10.100.0.3/32
|
||||||
|
|
||||||
|
[Peer]
|
||||||
|
# Client: football-3
|
||||||
|
PublicKey = <CLIENT_3_PUBLIC_KEY>
|
||||||
|
AllowedIPs = 10.100.0.4/32
|
||||||
|
|
||||||
|
# Add more [Peer] sections as needed for additional football clients
|
||||||
Reference in New Issue
Block a user