134 lines
No EOL
4 KiB
Bash
134 lines
No EOL
4 KiB
Bash
#!/bin/bash
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# Unraid Network Configuration Script
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# This script configures the game server routing through Tailscale
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# Color codes for output
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RED='\033[0;31m'
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GREEN='\033[0;32m'
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YELLOW='\033[1;33m'
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NC='\033[0m'
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# Configuration variables
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TAILSCALE_INTERFACE="tailscale0"
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WAN_INTERFACE="br0" # Typical Unraid bridge interface
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VPS_IP="YOUR_VPS_IP" # Replace with your Dallas VPS IP
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GAME_SUBNET="172.16.0.0/24" # Replace with your game servers' subnet
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# Function to check if script is run as root
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check_root() {
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if [ "$EUID" -ne 0 ]; then
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echo -e "${RED}Error: This script must be run as root${NC}"
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exit 1
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fi
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}
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# Function to fix routing
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fix_routing() {
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echo -e "${YELLOW}Fixing routing table...${NC}"
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# Delete Tailscale's default route if it exists
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ip route del 0.0.0.0/0 dev tailscale0 2>/dev/null
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# Ensure br0 is the default route
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ip route add default via $(ip route | grep br0 | grep default | awk '{print $3}') dev br0
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# Add specific route for VPS through Tailscale
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ip route add $VPS_IP via $(ip route | grep tailscale0 | awk '{print $1}') dev tailscale0
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# Save current routing config
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echo "ip route del 0.0.0.0/0 dev tailscale0 2>/dev/null" > /boot/config/routing.sh
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echo "ip route add default via $(ip route | grep br0 | grep default | awk '{print $3}') dev br0" >> /boot/config/routing.sh
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chmod +x /boot/config/routing.sh
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}
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# Function to check if Tailscale is installed
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check_tailscale() {
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if ! command -v tailscale &> /dev/null; then
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echo -e "${RED}Error: Tailscale is not installed${NC}"
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exit 1
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fi
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}
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# Function to configure iptables
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configure_iptables() {
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echo -e "${YELLOW}Configuring iptables rules...${NC}"
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# Clear existing rules
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iptables -F
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iptables -t nat -F
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# Set default policies
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iptables -P INPUT ACCEPT
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iptables -P FORWARD ACCEPT
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iptables -P OUTPUT ACCEPT
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# Allow established connections
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iptables -A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT
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# UDP Ports
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for port in 8766 8767 16261 19132; do
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iptables -A INPUT -p udp --dport $port -j ACCEPT
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iptables -A FORWARD -p udp --dport $port -j ACCEPT
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done
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# TCP Port Ranges
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iptables -A INPUT -p tcp --match multiport --dports 16262,27015:27050,25500:25600 -j ACCEPT
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iptables -A FORWARD -p tcp --match multiport --dports 16262,27015:27050,25500:25600 -j ACCEPT
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# Route game traffic through Tailscale
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iptables -t nat -A POSTROUTING -o $TAILSCALE_INTERFACE -j MASQUERADE
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echo -e "${GREEN}iptables rules configured successfully${NC}"
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}
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# Function to configure routing
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configure_routing() {
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echo -e "${YELLOW}Configuring routing...${NC}"
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# Enable IP forwarding
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echo 1 > /proc/sys/net/ipv4/ip_forward
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# Add route for game servers through Tailscale
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ip route add $VPS_IP via $(ip route | grep $TAILSCALE_INTERFACE | awk '{print $1}')
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echo -e "${GREEN}Routing configured successfully${NC}"
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}
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# Function to make settings persistent
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make_persistent() {
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echo -e "${YELLOW}Making settings persistent...${NC}"
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# Save iptables rules
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if [ -d "/boot/config/iptables" ]; then
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iptables-save > /boot/config/iptables/rules.v4
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echo -e "${GREEN}iptables rules saved to /boot/config/iptables/rules.v4${NC}"
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else
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mkdir -p /boot/config/iptables
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iptables-save > /boot/config/iptables/rules.v4
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echo -e "${GREEN}Created iptables directory and saved rules${NC}"
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fi
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# Ensure IP forwarding is enabled on boot
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if ! grep -q "net.ipv4.ip_forward=1" /etc/sysctl.conf; then
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echo "net.ipv4.ip_forward=1" >> /etc/sysctl.conf
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fi
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}
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# Main execution
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main() {
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echo -e "${YELLOW}Starting Unraid network configuration...${NC}"
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check_root
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check_tailscale
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configure_iptables
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configure_routing
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make_persistent
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echo -e "${GREEN}Unraid network configuration completed successfully${NC}"
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echo -e "${YELLOW}Please test your game server connectivity${NC}"
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}
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# Run main function
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main
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exit 0 |