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本文實例講述了Python基于scapy實現修改IP發送請求的方法。分享給大家供大家參考，具體如下：

今天同事想測試WAF的頁面統計功能，所以需要模擬多個IP向多個域名發送請求，也就是需要修改源IP地址。這個如果使用socket庫就比較麻煩了，

需要使用raw socket，相當麻煩。還好咱有scapy，輕松搞定。

DOMAIN是我隨機構造的域名庫，SOURCE也是隨機構造的源IP地址。

									#!/usr/bin/env python

									#-*-encoding:UTF-8-*-

									from scapy.all import *

									from threading import Thread

									from Queue import Queue

									import random

									import string

									USER_AGENTS = ( # items used for picking random HTTP User-Agent header value

									  "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_7_0; en-US) AppleWebKit/534.21 (KHTML, like Gecko) Chrome/11.0.678.0 Safari/534.21",

									  "Mozilla/5.0 (Windows; U; MSIE 9.0; Windows NT 9.0; en-US)",

									  "Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:0.9.2) Gecko/20020508 Netscape6/6.1",

									  "Mozilla/5.0 (X11;U; Linux i686; en-GB; rv:1.9.1) Gecko/20090624 Ubuntu/9.04 (jaunty) Firefox/3.5",

									  "Opera/9.80 (X11; U; Linux i686; en-US; rv:1.9.2.3) Presto/2.2.15 Version/10.10"

									)

									TOP_DOMAIN = ('com','org','net','gov','edu','mil','info','name','biz')

									DOMAIN = ["www.%s.%s" %(

									    '.'.join(''.join(random.sample(string.ascii_lowercase, random.randint(2,6))) for x in range(random.randint(1,2))),

									    random.choice(TOP_DOMAIN))

									    for _ in range(100)

									]

									SOURCE = ['.'.join((str(random.randint(1,254)) for _ in range(4))) for _ in range(100)]

									class Scan(Thread):

									  HTTPSTR = 'GET / HTTP/1.0\r\nHost: %s\r\nUser-Agent: %s\r\n\r\n'

									  def run(self):

									    for _ in xrange(100):

									      domain = random.choice(DOMAIN)

									      http = self.HTTPSTR % (domain,random.choice(USER_AGENTS))

									      try:

									        request = IP(src=random.choice(SOURCE),dst=domain) / TCP(dport=80) / http

									        #request = IP(dst=domain) / TCP(dport=80) / http

									        send(request)

									      except:

									        pass

									task = []

									for x in range(10):

									  t = Scan()

									  task.append(t)

									for t in task:

									  t.start()

									for t in task:

									  t.join()

									print 'all task done!'