Pure Python Port Scanner

port_scanner.py

#!/usr/bin/env python
import socket
import subprocess
import sys
from datetime import datetime


remoteServer = raw_input("Enter a remote host to scan: ")
remoteServerIP = socket.gethostbyname(remoteServer)

interface = raw_input("Enter a target interface: ")

try:
    for port in range(1, 1025):
        print "Scanning Port {}".format(port)
        sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
        socket.settimeout(1)
        socket.setsockopt(socket.SOL_SOCKET, 25, interface)
        result = sock.connect_ex((remoteServerIP, port))
        if result == 0:
            print "Port {}: Open".format(port)
        sock.close()

except KeyboardInterrupt:
    print "Quitting"
    sys.exit()

except socket.gaierror:
    print "Hostname couldn't be resolved"
    sys.exit()

except socket.error:
    print "Couldn't connect to server"
    sys.exit()