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python通过日志分析加入黑名单
监控nginx日志，若有人攻击，则加入黑名单，操作步骤如下：
1.读取日志文件
2.分隔文件，取出ip
3.将取出的ip放入list，然后判读ip的次数
4.若超过设定的次数，则加入黑名单
日志信息如下：
178.210.90.90 - - [04/Jun/2017:03:44:13 +0800] "GET /wp-includes/logo_img.php HTTP/1.0" 302 161 " http://nnzhp.cn/wp-includes/logo_img.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4" "10.3.152.221" 178.210.90.90 - - [04/Jun/2017:03:44:13 +0800] "GET /blog HTTP/1.0" 301 233 " logo_img.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4" "10.3.152.221" 178.210.90.90 - - [04/Jun/2017:03:44:15 +0800] "GET /blog/ HTTP/1.0" 200 38278 " logo_img.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/ 5.0.375.99 Safari/533.4" "10.3.152.221" 66.249.75.29 - - [04/Jun/2017:03:45:55 +0800] "GET /bbs/forum.php?mod=forumdisplay&fid=574&filter=hot HTTP/1.1" 200 17482 "-" "Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)" "-" 37.9.169.20 - - [04/Jun/2017:03:47:59 +0800] "GET /wp-admin/security.php HTTP/1.1" 302 161 " /security.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome /5.0.375.99 Safari/533.4" "-" 37.9.169.20 - - [04/Jun/2017:03:48:01 +0800] "GET /blog HTTP/1.1" 301 233 " security.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4" "-" 37.9.169.20 - - [04/Jun/2017:03:48:02 +0800] "GET /blog/ HTTP/1.1" 200 38330 " security.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko)Chrome/5.0.375.99 Safari/533.4" "-" 37.9.169.20 - - [04/Jun/2017:03:48:21 +0800] "GET /wp-admin/security.php HTTP/1.1" 302 161 " wp-admin/security.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4" "-" 37.9.169.20 - - [04/Jun/2017:03:48:21 +0800] "GET /blog HTTP/1.1" 301 233 " "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4" "-" 37.9.169.20 - - [04/Jun/2017:03:48:23 +0800] "GET /blog/ HTTP/1.1" 200 38330 "http://nnzhp.cn/wp-admin/security.php" "Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US) AppleWebKit/533.4 (KHTML, like Gecko) Chrome/5.0.375.99 Safari/533.4" "-"
代码如下：
import os
import time
#os.system('ipconfig') #用来操作系统命令
while True:list_ip = []with open('access.log') as fp:for line in fp:ip = line.split()[0] #获取iplist_ip.append(ip)os.system('>access.log') #清空文件内容set_ips = set(list_ip) #去除重复的ip值for ip in set_ips:if list_ip.count(ip) >200: #若list_ip内重复出现的ip次数大于200，则加入黑名单os.system('iptables -I INPUT 1 -p tcp -s %s -j DROP' % ip)time.sleep(60)