这篇文章主要为大家展示了“CentOS 7中ossec如何批量安装部署客户端”,内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下“CentOS 7中ossec如何批量安装部署客户端”这篇文章吧。
环境准备
server:192.168.244.3
client: 192.168.244.4
2.搭建ftp来下载配置文件
[root@ossec-server ~]# yum -y install httpd
[root@ossec-server ~]# service httpd start
[root@ossec-server ~]# mkdir /var/www/html/ossec
[root@ossec-server ~]# cd /var/www/html/ossec
[root@ossec-server ossec]# systemctl stop firewalld
3.访问http://192.168.244.3/ossec
4.创建存放ip地址信息的文件ip.txt
[root@ossec-server ~]# cat ip.txt
agent01:192.168.244.4
5. 创建用来生成key的脚本
#!python
# -*- coding: utf-8 -*-
import os
if __name__ == '__main__':
save_keys_path = "keys.logs"
f = open("ip.txt")
lines = f.read().splitlines()
f.close()
#perl文件在安装包里面
shell_path ="/root/ossec-hids-2.8.3/contrib/ossec-batch-manager.pl"
for line in lines:
arr = line.split(":")
host_name = arr[0]
ip = arr[1]
#服务端根据name和ip添加客户端
cmd = "%s -a --ip %s --name %s" % (shell_path,ip,host_name)
os.system(cmd)
cmd = "%s -e %s >> %s" % (shell_path,ip,save_keys_path)
os.system(cmd)
6.安装必要的包
yum -y install perl-Digest-MD5
yum -y install perl-Time-HiRes
7.生成key文件/var/ossec/etc/client.keys
8.执行脚本
[root@ossec-server ~]# python key_gen.py
[root@ossec-server ~]# cat /var/ossec/etc/client.keys
001 agent01 192.168.244.4 316260854925970ce8953064b1ff2fafe1245f38dd06ed1203a60f9a465a9f44
9,将客户端所需文件和包放在ftp里
[root@ossec-server ~]# cd /var/www/html/ossec
[root@ossec-server ossec]# tar xf ossec_client_conf.tar.gz
[root@ossec-server ossec]# ll
total 2416
-rw-r--r-- 1 root root 93 Dec 15 21:49 client.keys
-rw-r--r-- 1 root root 820077 Dec 16 02:22 ossec_client_conf.tar.gz
-rw-r--r-- 1 root root 2781 Dec 28 23:55 ossec.conf
-rw-r--r-- 1 root root 1634812 Apr 17 2015 ossec-hids-2.8.3.tar.gz
-rwxr-xr-x 1 root root 3275 Dec 16 02:16 preloaded-vars.conf
修改配置文件变成无交互自动安装
[root@ossec-server ossec]# grep -Ev '^#|^$' preloaded-vars.conf
USER_LANGUAGE="en" # For english
USER_NO_STOP="y"
USER_INSTALL_TYPE="agent"
USER_DIR="/var/ossec"
USER_ENABLE_ACTIVE_RESPONSE="y"
USER_ENABLE_SYSCHECK="y"
USER_ENABLE_ROOTCHECK="y"
USER_AGENT_SERVER_IP="192.168.244.3"
10.客户端批量agent批量安装
[root@ossec-client01 ~]# yum -y install gcc
[root@ossec-client01 ~]# systemctl stop firewalld
11.执行脚本自动安装agent客户端
[root@ossec-client01 ~]# sh ossec-agent-batch-install.sh
[root@ossec-client01 ~]# cat ossec-agent-batch-install.sh
#!/bin/bash
yum -y install gcc
cd /usr/local
wget http://192.168.244.3/ossec/ossec-hids-2.8.3.tar.gz
tar xf ossec-hids-2.8.3.tar.gz
cd ossec-hids-2.8.3/etc/
mv preloaded-vars.conf preloaded-vars.conf.bak
wget http://192.168.244.3/ossec/preloaded-vars.conf
cd ..
./install.sh
cd /opt/ossec/etc
wget http://192.168.244.3/ossec/client.keys
HOST_IP=`/sbin/ifconfig eth0 |grep 'Bcast' |cut -d: -f2 |cut -d' ' -f1`
sed -i '/'$HOST_IP'/!'d /opt/ossec/etc/client.keys
rm -rf ossec.conf
wget http://192.168.244.3/ossec/ossec.conf
cd ..
./bin/ossec-control start
12. 查看端口
[root@ossec-client01 ~]# netstat -lanpu |grep ossec
udp 0 0 192.168.244.4:60090 192.168.244.3:1514 ESTABLISHED 4827/ossec-agentd
[root@ossec-server ~]# /var/ossec/bin/agent_control -lc
OSSEC HIDS agent_control. List of available agents:
ID: 000, Name: ossec-server (server), IP: 127.0.0.1, Active/Local
ID: 001, Name: agent01, IP: 192.168.244.4, Active
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