[CODE] Port Scanner 예제

#!/usr/bin/env python
from socket import *

if __name__ == '__main__':
    target = raw_input('Enter host to scan: ')
    targetIP = gethostbyname(target)
    print 'Starting scan on host ', targetIP

    #scan reserved ports
    for i in range(20, 1025):
        s = socket(AF_INET, SOCK_STREAM)

        result = s.connect_ex((targetIP, i))

        if(result == 0) :
            print 'Port %d: OPEN' % (i,)
        s.close()

---

~$ ./scanner.py
Enter host to scan: localhost
Starting scan on host  127.0.0.1
Port 22: OPEN
Port 80: OPEN
Port 139: OPEN
Port 445: OPEN
Port 631: OPEN