scanport3.py
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	m.korobeinikov
	Mar 28 2024, 2:20 AM

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scanport3.py
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	#!/usr/bin/env python3

	import nmap
	import sys

	def read_ports_from_file(file_name):
	ports = {}
	try:
	with open(file_name, 'r') as file:
	for line in file:
	line = line.strip()
	if line and not line.startswith("#"): # Skip comment lines
	parts = line.split('#')
	port_number = parts[0].strip()
	port_description = parts[1].strip() if len(parts) > 1 else ""
	ports[port_number] = port_description
	except FileNotFoundError:
	print(f"File {file_name} not found.")
	return ports

	def scan_ports(remote_host, ports):
	if not ports:
	print("No ports to scan.")
	return

	open_ports = []
	closed_ports = []

	nm = nmap.PortScanner()
	arguments = f'-T4 -p{",".join(ports)}'
	nm.scan(hosts=remote_host, arguments=arguments)

	for host in nm.all_hosts():
	for proto in nm[host].all_protocols():
	lport = nm[host][proto].keys()
	for port in lport:
	state = nm[host][proto][port]['state']
	if state == 'open':
	open_ports.append((port, ports.get(str(port), "No description available")))
	else:
	closed_ports.append((port, ports.get(str(port), "No description available")))

	print("\nScanning completed.")
	print("Open ports:")
	print("Port\tDescription")
	for port, description in open_ports:
	print(f"{port}\t{description}")
	print("\nClosed ports:")
	print("Port\tDescription")
	for port, description in closed_ports:
	print(f"{port}\t{description}")

	def main():
	remote_host = input("Enter remote host: ")
	ports = read_ports_from_file('ports.txt')
	scan_ports(remote_host, ports)

	if __name__ == "__main__":
	main()