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add crafting packets scapy tutorial

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`@@ -18,6 +18,7 @@ This is a repository of all the tutorials of [The Python Code](https://www.thepy`
`18`	`18`	`- [How to Inject Code into HTTP Responses in the Network in Python](https://www.thepythoncode.com/article/injecting-code-to-html-in-a-network-scapy-python). ([code](scapy/http-code-injector/))`
`19`	`19`	`- [How to Perform IP Address Spoofing in Python](https://thepythoncode.com/article/make-an-ip-spoofer-in-python-using-scapy). ([code](scapy/ip-spoofer))`
`20`	`20`	`- [How to See Hidden Wi-Fi Networks in Python](https://thepythoncode.com/article/uncovering-hidden-ssids-with-scapy-in-python). ([code](scapy/uncover-hidden-wifis))`
	`21`	`+ - [Crafting Dummy Packets with Scapy Using Python](https://thepythoncode.com/article/crafting-packets-with-scapy-in-python). ([code](scapy/crafting-packets))`
`21`	`22`	`- [Writing a Keylogger in Python from Scratch](https://www.thepythoncode.com/article/write-a-keylogger-python). ([code](ethical-hacking/keylogger))`
`22`	`23`	`- [Making a Port Scanner using sockets in Python](https://www.thepythoncode.com/article/make-port-scanner-python). ([code](ethical-hacking/port_scanner))`
`23`	`24`	`- [How to Create a Reverse Shell in Python](https://www.thepythoncode.com/article/create-reverse-shell-python). ([code](ethical-hacking/reverse_shell))`

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	`1`	`+# [Crafting Dummy Packets with Scapy Using Python](https://thepythoncode.com/article/crafting-packets-with-scapy-in-python)`

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	`1`	`+server_ips = ["192.168.27.1", "192.168.17.129", "192.168.17.128"]`
	`2`	`+`
	`3`	`+from scapy.all import IP, ICMP, sr1`
	`4`	`+import time`
	`5`	`+`
	`6`	`+def check_latency(ip):`
	`7`	`+ packet = IP(dst=ip) / ICMP()`
	`8`	`+ start_time = time.time()`
	`9`	`+ response = sr1(packet, timeout=2, verbose=0)`
	`10`	`+ end_time = time.time()`
	`11`	`+`
	`12`	`+ if response:`
	`13`	`+ latency = (end_time - start_time) * 1000 # Convert to milliseconds`
	`14`	`+ print(f"[+] Latency to {ip}: {latency:.2f} ms")`
	`15`	`+ else:`
	`16`	`+ print(f"[-] No response from {ip} (possible packet loss)")`
	`17`	`+`
	`18`	`+for server_ip in server_ips:`
	`19`	`+ check_latency(server_ip)`
	`20`	`+`
	`21`	`+`

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	`1`	`+# Uncomment them and run according to the tutorial`
	`2`	`+#from scapy.all import IP, TCP, send, UDP`
	`3`	`+`
	`4`	`+# # Step 1: Creating a simple IP packet`
	`5`	`+# packet = IP(dst="192.168.1.1") # Setting the destination IP`
	`6`	`+# packet = IP(dst="192.168.1.1") / TCP(dport=80, sport=12345, flags="S")`
	`7`	`+# print(packet.show()) # Display packet details`
	`8`	`+# send(packet)`
	`9`	`+`
	`10`	`+`
	`11`	`+############`
	`12`	`+# from scapy.all import ICMP`
	`13`	`+`
	`14`	`+# # Creating an ICMP Echo request packet`
	`15`	`+# icmp_packet = IP(dst="192.168.1.1") / ICMP()`
	`16`	`+# send(icmp_packet)`
	`17`	`+`
	`18`	`+`
	`19`	`+############`
	`20`	`+# from scapy.all import UDP`
	`21`	`+`
	`22`	`+# # Creating a UDP packet`
	`23`	`+# udp_packet = IP(dst="192.168.1.1") / UDP(dport=53, sport=12345)`
	`24`	`+# send(udp_packet)`
	`25`	`+`
	`26`	`+`
	`27`	`+`
	`28`	`+###########`
	`29`	`+# blocked_packet = IP(dst="192.168.1.1") / TCP(dport=80, flags="S")`
	`30`	`+# send(blocked_packet)`
	`31`	`+`
	`32`	`+# allowed_packet = IP(dst="192.168.1.1") / UDP(dport=53)`
	`33`	`+# send(allowed_packet)`
	`34`	`+`

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	`1`	`+scapy`

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