I am trying to use port scanner program.
import socket
import subprocess
import sys
from datetime import datetime
subprocess.call('clear', shell=True)
remoteServer = input("Enter a remote host to scan: ")
remoteServerIP = socket.gethostbyname(remoteServer)
print( "-" * 60)
print( "Please wait, scanning remote host", remoteServerIP)
print( "-" * 60)
t1 = datetime.now()
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()
t2 = datetime.now()
total = t2 - t1
print( 'Scanning Completed in: ', total)
But it is not working.
Enter a remote host to scan: http://www.osjajinci.com/
Traceback (most recent call last):
File "portscanner.py", line 12, in <module>
remoteServerIP = socket.gethostbyname(remoteServer)
socket.gaierror: [Errno -2] Name or service not known
I am trying to learn more about the sockets,I am begginer.I have double checked the Python3 code and could not find any mistakes.
socket.gethostbyname
expects a host name and not an URL. You must give www.osjajinci.com
instead of http://www.osjajinci.com/
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