CentOS服务器安全检查脚本

时间:2014-07-31 15:22 来源:linux.it.net.cn 作者:it

#说明:大家平时对linux服务器安全主要是对系统用户的检查，登陆服务器IP检查，以及防火墙状态检查！

1.需要把正确系统用户名存储在/root/liu_shell/local_user.txt文件中，然后进行比较!

2.对登陆IP判断是不是以192.168.1和192.168.2开头的IP为正常IP!

3.判断iptables状态!

#!/usr/bin/python

#coding=utf-8

import sys,os,re,socket

host=str(socket.gethostname().strip())

fuhao=os.linesep

def user_panduan():

file01=file('/etc/passwd')

mmm=[]

for xx in file01:

mmm.append(re.split(':',xx)[0])

file01.close()

file02=file('/root/liu_shell/new_user.txt','w')

for yy in mmm:

file02.write('%s%s' %(yy,fuhao))

file02.close()

f_local=file('/root/liu_shell/local_user.txt')

f_new=file('/root/liu_shell/new_user.txt')

local_user=[]

new_user=[]

for line1 in f_local:

line1=line1.strip()

local_user.append(line1)

for line2 in f_new:

line2=line2.strip()

new_user.append(line2)

f_local.close()

f_new.close()

if local_user==new_user:

print 'host:%s user ok' %host

else:

cmd="echo 'host:%s user error' |mail -s user_error 331095659@qq.com " %host

os.system(cmd)

def ip_panduan():

os.system("last|awk '{print $3}'|grep -v [a-z]|grep -v ^$|sort |uniq >/root/liu_shell/local_ip.txt")

f_ip=file('/root/liu_shell/local_ip.txt')

local_ip=[]

for line in f_ip:

line=line.strip()

local_ip.append(line)

for aa in local_ip:

kk=re.match('192.168.1|192.168.2',aa)

if kk:

print 'host:%s ip ok' %host

else:

cmd="echo 'host:%s ip error' |mail -s ip_error 331095659@qq.com " %host

os.system(cmd)

def iptables_panduan():

iptables_status=int(os.popen("/sbin/iptables -nL|grep -v ^$|wc -l").readline().strip())

if iptables_status==6:

cmd="echo 'host:%s iptables not running!' |mail -s iptables 331095659@qq.com " %host

os.system(cmd)

else:

print 'host:%s iptable running ok' %host

user_panduan()

ip_panduan()

iptables_panduan()

(责任编辑：IT)