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A Simple Python Port Scanner Script
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| import socket | |
| import subprocess | |
| import sys | |
| from datetime import datetime | |
| subprocess.call('cls', shell=True) | |
| # Ask for input | |
| remoteServer = input("Enter a remote host to scan: ") | |
| remoteServerIP = socket.gethostbyname(remoteServer) | |
| # Print a nice banner with information on which host we are about to scan | |
| print ("-" * 60) | |
| print ("Please wait, scanning remote host", remoteServerIP) | |
| print ("-" * 60) | |
| # Check what time the scan started | |
| t1 = datetime.now() | |
| # Using the range function to specify ports (here it will scans all ports | |
| # between 1 and 1024) | |
| # We also put in some error handling for catching errors | |
| try: | |
| for port in range(1,1025): | |
| sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
| result = sock.connect_ex((remoteServerIP, port)) | |
| if result == 0: | |
| print ("Port {}: Open".format(port)) | |
| sock.close() | |
| except KeyboardInterrupt: | |
| print ("You pressed Ctrl+C") | |
| sys.exit() | |
| except socket.gaierror: | |
| print ('Hostname could not be resolved. Exiting') | |
| sys.exit() | |
| except socket.error: | |
| print ("Couldn't connect to server") | |
| sys.exit() | |
| # Checking the time again | |
| t2 = datetime.now() | |
| # Calculates the difference of time, to see how long it took to run the script | |
| total = t2 - t1 | |
| # Printing the information to screen | |
| print ('Scanning Completed in: ', total) |
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