选择System prefrence -> sharing , 将remote login打开

测试是否打开

import socket
s = socket.socket()
s.connect(( ‘127.0.0.1‘ , 22 ))
s.send( ‘scan‘ )
banner = s.recv( 1024 )

print banner

端口扫描

import socket
for port in range( 20 , 25 ):
    try :
        s = socket.socket()
        print "[+] Attempting to connect to 127.0.0.1: " + str(port)
        s.connect(( ‘127.0.0.1‘ , port))
        s.send( ‘scan‘ )
        banner = s.recv( 1024 )
        if banner:
            print "[+] Port " + str(port) + " open: \n" + banner
        s.close()

    except: pass