标题:
在linux系统下构建入侵检测系统
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作者:
欢喜楊陽
时间:
2010-3-30 15:48
标题:
在linux系统下构建入侵检测系统
一、系统平台
Redhat9.0发行版, 安装gcc 及相关库文件,建议不要安装
Apache,PHP,MySQL,我们将用源码编译安装。基于安全方面的
考虑,可以设置一下iptables只允许SSH和WWW访问。
二、软件
MySQL4.0.12 http://mysql.secsup.org
Snort2.0.0 http://www.snort.org
Apache2.0.45 http://www.apache.org
PHP4.3.1 http://www.php.net
ADODBv3.30 http://phplens.com
Acid0.9.6b23 http://acidlab.sourceforge.net
Zlib1.1.4 http://flow.dl.sourceforge.net
JPGraph1.11 http://jpgraph.techuk.com
LibPcap0.7.2 http://www.tcpdump.org
建议到这个站点下载http://ftp.cdut.edu.cn/pub/linux/NEW/
也可以到http://www.rpmfind.com下载相关的xx.src.rpm编译安装。如若安装了rpm包,可以强行将其反安装
rpm -e -nodeps xx.xx
三、安装(建议将所有的包文件考到同一目录)
1.安装zlib1.1.4
tar -xzvf zlib-xx.tar.gz
cd zlib-xx
/configure;make test
make install
cd ..
2.安装LibPcap0.7.2
tar -xzvf libpcap.tar.gz
cd libpcap-xx
/configure
make
make install
cd ..
作者:
给我一刀
时间:
2010-3-30 15:51
5.安装 Snort2.0
5.1建立snort配置文件和日志目录
mkdir /etc/snort
mkdir /var/log/snort
tar -zxvf snort-2.x.x.tar.gz
cd snort-2.x.x
/configure –with-mysql=/usr/local/mysql
make
make install
5.2安装规则和配置文件
cd rules (在snort安装目录下)
cp * /etc/snort
cd ./etc
cp snort.conf /etc/snort
cp *.config /etc/snort
5.3修改snort.conf(/etc/snort/snort.conf)
var HOME_NET 10.2.2.0/24 (修改为你的内部网网络地址,我的是
192.168.0.0/24)
var RULE_PATH ./rules 修改为 var RULE_PATH /etc/snort/
改变记录日志数据库:
output database: log, mysql, user=root password=your_password
dbname=snort host=localhost
5.4设置snort为自启动:
在snort安装目录下
cd /contrib
cp S99snort /etc/init.d/snort
vi /etc/init.d/snort
修改snort如下:
CONFIG=/etc/snort/snort.conf
#SNORT_GID=nogroup (注释掉)
#8194;$SNORT_PATH/snort -c ?$CONFIG -i ?$IFACE ?$OPTIONS
(去掉原文件中的 -g ?$SNORT_GID )
chmod 755 /etc/init.d/snort
cd /etc/rc3.d
ln -s /etc/init.d/snort S99snort
ln -s /etc/init.d/snort K99snort
cd /etc/rc5.d
ln -s /etc/init.d/snort S99snort
ln -s /etc/init.d/snort K99snort
作者:
問號
时间:
2010-3-30 15:52
四.在mysql中建立数据库
/usr/local/mysql/bin/mysql
mysql>SET PASSWORD FOR root@localhost=PASSWORD(’your_password’);
mysql>create database snort;
mysql>grant INSERT,SELECT on root.* to snort@localhost;
mysql>quit;
进入snort安装目录:/usr/local/mysql/bin/mysql -p
gt;Enter password:
安装DB表:(在contrib目录)
zcat snortdb-extra.gz /usr/local/mysql/bin/mysql -p snort
进入mysql数据库,看看snort数据库中的表:
/usr/local/mysql/bin/mysql -p
gt;Enter password:
mysql>show databases;
+————+
Database
+————+
mysql
snort
test
+————+
3 rows in set (0.00 sec)
mysql>use snort;
mysql>show tables; 将会有这些:
+——————+
Tables_in_snort
+——————+
data
detail
encoding
event
flags
icmphdr
iphdr
opt
protocols
reference
reference_system
schema
sensor
services
sig_class
sig_reference
signature
tcphdr
udphdr
+——————+
19 rows in set (0.00 sec)
mysql>exit
作者:
静思夜
时间:
2010-3-30 15:53
五.安装配置Web接口
安装JPGraph1.11
cp jpgraph-1.11.tar.gz /www/htdocs
cd /www/htdocs
tar -xzvf jpgraph-1.xx.tar.gz
rm -rf jpgrap-1.xx.tar.gz
cd jpgraph-1.11
rm -rf README
rm -rf QPL.txt
安装ADODB:
cp adodb330.tgz /www/htdocs/
cd /www/htdocs
tar -xzvf adodb330.tgz
rm -rf adodb330.tgz
安装配置Acid:
cp acid-0.0.6b23.tar.gz /www/htdocs
cd /www/htdocs
tar -xvzf acid-0.9.6b23.tar.gz
rm -rf acid-0.9.6b23.tar.gz
cd /www/htodcs/acid/
编辑acid_conf.php,修改相关配置如下:
#8194;$DBlib_path = “/www/htdocs/adodb”;
/* The type of underlying alert database
*
* MySQL : “mysql”
* PostgresSQL : “postgres”
* MS SQL Server : “mssql”
*/
#8194;$DBtype = “mysql”;
/* Alert DB connection parameters
* - ?$alert_dbname : MySQL database name of Snort alert DB
* - ?$alert_host : host on which the DB is stored
* - ?$alert_port : port on which to access the DB
* - ?$alert_user : login to the database with this user
* - ?$alert_password : password of the DB user
*
* This information can be gleaned from the Snort database
* output plugin configuration.
*/
#8194;$alert_dbname = “snort”;
#8194;$alert_host = “localhost”;
#8194;$alert_port = “”;
#8194;$alert_user = “root”;
#8194;$alert_password = “Your_Password”;
/* Archive DB connection parameters */
#8194;$archive_dbname = “snort”;
#8194;$archive_host = “localhost”;
#8194;$archive_port = “”;
#8194;$archive_user = “root”;
#8194;$archive_password = “Your_Password “;
And a little further down
#8194;$ChartLib_path = “/www/htdocs/jpgraph-1.11/src”;
/* File format of charts (’png’, ‘jpeg’, ‘gif’) */
#8194;$chart_file_format = “png”;
进入web界面:
http://yourhost/acid/acid_main.php
点”Setup Page”链接 ->Create Acid AG
访问http://yourhost/acid将会看到ACID界面。
六.测试系统
重启系统或者直接启动相关后台程序:
/etc/init.d/mysql restart
/etc/init.d/snort start
/etc/init.d/httpd start
利用nmap,nessus,CIS或者X-scan对系统进行扫描,
产生告警纪录。
http://yourhost/acid 察看纪录。
至此,一个功能强大的IDS配置完毕。各位可以利用web界面
远程登陆,监控主机所处局域网,同时安装phpMyAdmin对mysql
数据库进行操控。
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