-
-
Save roci33/bc4f861d3ba1d43f9862107f6786b940 to your computer and use it in GitHub Desktop.
A Simple Python Port Scanner Script
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| 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: ") | |
| startPort = int(input("Start scan to port: ")) | |
| endPort = int(input("End scan to port: ")) | |
| # Get ip by host name | |
| 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: | |
| openport = [] | |
| for port in range(startPort, endPort + 1): | |
| sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
| result = sock.connect_ex((remoteServerIP, port)) | |
| if result == 0: | |
| print("Port {}: Open".format(port)) | |
| openport.append(port) | |
| else: | |
| print(f"Port {port}: Close") | |
| 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) | |
| #Printing the open port | |
| print(f"Open port: {openport}") |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment