From ee6080b55ba972d106183d353d7674ea3e9d59e9 Mon Sep 17 00:00:00 2001
From: Simardeep Singh <1003simar@gmail.com>
Date: Sat, 14 Oct 2023 21:33:08 -0600
Subject: [PATCH] Initial commit of SYN Flood Protection Tool

---
 Python Projects/Port Scanner/Readme.MD    | 12 ++++++++
 Python Projects/Port Scanner/syn_flood.py | 35 +++++++++++++++++++++++
 2 files changed, 47 insertions(+)
 create mode 100644 Python Projects/Port Scanner/Readme.MD
 create mode 100644 Python Projects/Port Scanner/syn_flood.py

diff --git a/Python Projects/Port Scanner/Readme.MD b/Python Projects/Port Scanner/Readme.MD
new file mode 100644
index 00000000..bf9c2f00
--- /dev/null
+++ b/Python Projects/Port Scanner/Readme.MD	
@@ -0,0 +1,12 @@
+# SYN Flood Protection Tool
+A simple Python script to protect against SYN flood attacks by enabling SYN cookies.
+
+## Overview
+
+This Python script enables SYN cookies to protect against SYN flood attacks. It listens on a specified IP address and port and responds to incoming connections with a customizable message.
+
+**Features:**
+
+- SYN flood protection using SYN cookies.
+- Customizable response message.
+- Basic error handling and logging.
\ No newline at end of file
diff --git a/Python Projects/Port Scanner/syn_flood.py b/Python Projects/Port Scanner/syn_flood.py
new file mode 100644
index 00000000..0b3ffd4a
--- /dev/null
+++ b/Python Projects/Port Scanner/syn_flood.py	
@@ -0,0 +1,35 @@
+import socket
+import os
+
+def enable_syn_cookies():
+    with open("/proc/sys/net/ipv4/tcp_syncookies", "w") as file:
+        file.write("1")
+
+def protect(target_ip, target_port):
+    enable_syn_cookies()
+
+    # Create a socket
+    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+
+    # Bind the socket to the target IP and port
+    s.bind((target_ip, target_port))
+
+    # Listen for incoming connections
+    s.listen(5)
+
+    print(f"Listening on {target_ip}:{target_port}...")
+
+    while True:
+        try:
+            client_socket, addr = s.accept()
+            print(f"Received connection from {addr[0]}:{addr[1]}")
+            client_socket.send("Thank you for connecting.".encode())
+            client_socket.close()
+        except socket.error as e:
+            print(f"Socket error: {str(e)}")
+
+if __name__ == "__main__":
+    target_ip = "0.0.0.0"  # Use the IP address you want to protect
+    target_port = 80  # Use the port you want to protect
+
+    protect(target_ip, target_port)