Update 'install.py'

install.py

@@ -46,52 +46,47 @@ def setup_wireguard():
     """Set up WireGuard with complete system configuration"""
     print_step("🔒", "Setting up WireGuard system configuration...")
 
-    # Ensure WireGuard kernel module is loaded
+    # Load WireGuard kernel module
     print("Loading WireGuard kernel module...")
     run_command("sudo modprobe wireguard", "Failed to load WireGuard kernel module", shell=True)
 
     # Enable IP forwarding
     print("Enabling IP forwarding...")
-    run_command(
+    run_command("sudo sh -c 'echo 1 > /proc/sys/net/ipv4/ip_forward'", "Failed to enable IP forwarding", shell=True)
-        "sudo sed -i 's/#net.ipv4.ip_forward=1/net.ipv4.ip_forward=1/' /etc/sysctl.conf",
+    run_command("sudo sysctl -w net.ipv4.ip_forward=1", "Failed to enable IP forwarding", shell=True)
-        "Failed to update sysctl.conf",
+
-        shell=True
+    # Apply iptables rules
-    )
+    print("Applying iptables rules to allow SSH and route traffic correctly...")
-    run_command(
+
-        "sudo sysctl -p",
+    ssh_rules = [
-        "Failed to apply sysctl changes",
+        "sudo iptables -I INPUT -p tcp --dport 22 -j ACCEPT",
-        shell=True
+        "sudo iptables -I OUTPUT -p tcp --sport 22 -j ACCEPT",
-    )
+        "sudo iptables -I FORWARD -p tcp --dport 22 -j ACCEPT"
+    ]
+
+    for rule in ssh_rules:
+        run_command(rule, f"Failed to apply iptables rule: {rule}", shell=True)
 
-    # Apply NAT rules
+    # Apply NAT rules for VPN traffic
-    print("Applying NAT rules...")
+    print("Applying NAT and forwarding rules...")
     nat_rules = [
         "sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE",
         "sudo iptables -A FORWARD -i wg0 -j ACCEPT",
         "sudo iptables -A FORWARD -o wg0 -j ACCEPT"
     ]
+
     for rule in nat_rules:
         run_command(rule, f"Failed to apply iptables rule: {rule}", shell=True)
 
-    # Update nameserver
+    # Allow web interface access
-    print("Updating nameserver...")
+    print_step("🌐", "Allowing web interface on port 1337...")
-    run_command(
+    run_command("sudo iptables -A INPUT -p tcp --dport 1337 -j ACCEPT", "Failed to open port 1337", shell=True)
-        "sudo sed -i 's/nameserver .*/nameserver 1.1.1.1/' /etc/resolv.conf",
-        "Failed to update nameserver",
-        shell=True
-    )
 
-    # Install iptables-persistent and save rules
+    # Ensure rules are correct before saving
-    print("Making iptables rules persistent...")
+    print_step("💾", "Saving iptables rules for persistence...")
-    run_command(
+    run_command("sudo iptables -S", "Failed to verify iptables rules", shell=True)
-        ["apt-get", "install", "-y", "iptables-persistent"],
+    run_command("sudo netfilter-persistent save", "Failed to save iptables rules", shell=True)
-        "Failed to install iptables-persistent"
+    run_command("sudo netfilter-persistent reload", "Failed to reload iptables rules", shell=True)
-    )
-    run_command(
-        "sudo iptables-save | sudo tee /etc/iptables/rules.v4",
-        "Failed to save iptables rules",
-        shell=True
-    )
 
 def main():
     if os.geteuid() != 0:
@@ -253,12 +248,6 @@ WantedBy=multi-user.target
     run_command(["systemctl", "enable", "wireguard-manager"], "Failed to enable web interface service")
     run_command(["systemctl", "restart", "wireguard-manager"], "Failed to start web interface service")
 
-    # Enable UFW and allow required ports
-    print_step("🛡️", "Configuring firewall...")
-    run_command(["apt-get", "install", "-y", "ufw"], "Failed to install UFW")
-    run_command(["ufw", "allow", "1337/tcp"], "Failed to allow port 1337")
-    run_command(["ufw", "--force", "enable"], "Failed to enable UFW")
-
     # Final instructions
     local_ip = get_local_ip()
     print(f"""
@@ -277,7 +266,6 @@ WireGuard Manager has been installed successfully!
    - IP forwarding is enabled
    - NAT rules are configured
    - DNS is set to 1.1.1.1
-   - UFW is enabled and port 1337 is open
    - Web interface will start automatically on boot
 
 📝 Important locations: