#!/usr/bin/python#coding=utf8##import sys,os,nmapimport multiprocessingimport httplib,smtplibfrom email.MIMEText import MIMETextfrom email.Header import Headerreload(sys)sys.setdefaultencoding('utf8')#设置收件人邮箱改成你自己的mailto_list=['admin@163.com']mail_host="smtp.163.com"  #设置服务器mail_user="user@163.com"    #用户名mail_pass="password"   #密码mail_postfix="163.com"  #发件箱的后缀def send_mail(to_list,sub,content):        me="服务器端口异常报警"+"<"+mail_user+"@"+mail_postfix+">"        msg = MIMEText(content,_subtype='plain',_charset='utf_8')        msg['Subject'] = sub        msg['From'] = me        msg['To'] = ";".join(to_list)        try:           server.login(mail_user,mail_pass)           server.sendmail(me, to_list, msg.as_string())           server.close()           return True        except Exception, e:           print str(e)           return Falsedef HostCheck(ipaddr):        nm = nmap.PortScanner()        call = nm.scan(ipaddr, '22-65535') # scan host 127.0.0.1, ports from 22 to 443        nm.command_line() # get command line used for the scan : nmap -oX - -p 22-443 127.0.0.1        nm.scaninfo() # get nmap scan informations {'tcp': {'services': '22-443', 'method': 'connect'}}        nm.all_hosts() # get all hosts that were scanned        for host in nm.all_hosts():                for proto in nm[host].all_protocols():                        pass                lport = nm[host][proto].keys()                lport.sort()                for port in lport:                        if port in White_PORT:                                print line                        else:                                line = "HOST:  %s\tTCP/UDP: %s\tPORT : %s\t  异常端口" % (host, proto, port)                                f =file('/tmp/Problem_info.txt','a')                                f.write("\r\n")                                f.write(line)                                f.close() if __name__ == "__main__":        INPUT_IP = os.path.join(os.getcwd(),"IP.txt")        INPUT_IP_LINES = sum(1 for line in open(INPUT_IP))        OPEN_INPUT_IP = open(INPUT_IP)        if INPUT_IP_LINES > 30:                process_number = 30        else:                 process_number = INPUT_IP_LINES        #设置白名单端口         White_PORT=[22,80,3306]        pool = multiprocessing.Pool(processes=process_number)        for IP in OPEN_INPUT_IP.readlines():                IP = IP.strip('\n')                pool.apply_async(HostCheck,(IP,))        pool.close()        pool.join()        #判断Problem_info文件是否存在        if os.path.exists("/tmp/Problem_info.txt"):                infor=os.popen("cat /tmp/Problem_info.txt").read()                #发送邮件报警                send_mail(mailto_list,"admin",infor)                os.system("rm -rf /tmp/Problem_info.txt")

注释： 如果代码是放在/root/目录下 ，需要在/root/ 目录下建立一个IP.txt 的文件，在里面写上你需要扫描的IP。