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app.py

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+import gradio as gr
+
+# -----------------------------
+# Firewall Rules
+# -----------------------------
+BLOCKED_IPS = ["192.168.1.10", "10.0.0.5"]
+ALLOWED_PORTS = [80, 443, 8080]
+
+# Store logs
+logs = []
+
+# -----------------------------
+# Firewall Function
+# -----------------------------
+def firewall(ip, port):
+    try:
+        port = int(port)
+    except:
+        return "⚠️ Invalid port number"
+
+    if not ip:
+        return "⚠️ Please enter an IP address"
+
+    # Rule checking
+    if ip in BLOCKED_IPS:
+        result = "❌ Blocked (IP is blacklisted)"
+    elif port not in ALLOWED_PORTS:
+        result = "❌ Blocked (Port not allowed)"
+    else:
+        result = "✅ Allowed"
+
+    # Save logs
+    logs.append(f"{ip}:{port} → {result}")
+
+    # Show last 5 logs
+    recent_logs = "\n".join(logs[-5:])
+
+    return f"{result}\n\n📜 Recent Logs:\n{recent_logs}"
+
+
+# -----------------------------
+# Gradio Interface
+# -----------------------------
+iface = gr.Interface(
+    fn=firewall,
+    inputs=[
+        gr.Textbox(label="Enter IP Address", placeholder="e.g. 192.168.1.1"),
+        gr.Textbox(label="Enter Port", placeholder="e.g. 80")
+    ],
+    outputs="text",
+    title="🔥 Simple Firewall Simulator",
+    description="Simulates firewall filtering using IP and Port rules.\nEnter values to check access.",
+)
+
+# Run app
+iface.launch()

requirements.txt

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+gradio