Snort sniff honk !

Snort is an open source intrusion detection system (IDS). Its highly configurable and can be run in a number of modes and architectures, There are a small number of freely available rules to use. For more information refer to the Snort home page http://www.snort.org/. Here are some instructions on getting it setup on CentOS, these were adapted from the Snort Documentation by Patrick Harper at http://assets.sourcefire.com/snort/setupguides/Snort_Base_Minimal.pdf;

1. yum install mysql mysql-bench mysql-server mysql-devel mysqlclient10 php-mysql httpd gcc pcre-devel php-gd gd mod_ssl glib2-devel gcc-c++ php php-pear libpcap-devel
2. vi /etc/httpd/conf/httpd.conf #Edit the httpd.conf file to suit
3. /etc/rc.d/init.d/httpd start
4. /etc/rc.d/init.d/mysqld restart
5. /usr/bin/mysql_secure_installation
6. cd /root
7. mkdir snortinstall
8. cd snortinstall
9. wget http://dl.snort.org/snort-current/snort-2.8.5.3.tar.gz
10. tar zxvf snort-2.8.5.3.tar.gz
11. cd snort-2.8.5.3
12. ./configure --with-mysql --enable-dynamicplugin # Fingers crossed it all goes well
13. make
14. make install
15. /usr/sbin/groupadd snort
16. /usr/sbin/useradd -g snort snort -s /sbin/nologin
17. mkdir -p /etc/snort/rules
18. mkdir -p /var/log/snort
19. cd /root/snortinstall/snort-2.8.5.3/etc
20. cp ./* /etc/snort/
21. cd /root/snortinstall
22. wget http://www.emergingthreats.net/rules/emerging.rules.tar.gz
23. tar zxvf emerging.rules.tar.gz
24. cd rules
25. cp ./* /etc/snort/rules/
26. vi /etc/snort/snort.conf # Edit the snort.conf file to suit
27. /etc/rc.d/init.d/mysqld start
28. mysql -u root -p mysql # Create the snort database and snort database user and set permissions
    
29. cd  /root/snortinstall/snort-2.8.5.3/schemas
30. mysql -u snort -p snort < create_mysql
31. pear install -a Image_Graph-alpha Image_Canvas-alpha Image_Color Numbers_Roman
32. cd /root/snortinstall/
33. wget http://downloads.sourceforge.net/project/adodb/adodb-php5-only/adodb-510-for-php5/adodb510.tgz?use_mirror=transact
34. wget http://downloads.sourceforge.net/project/secureideas/BASE/base-1.4.4/base-1.4.4.tar.gz?use_mirror=transact
35. cd /var/www
36. tar zxvf /root/snortinstall/adodb510.tgz
37. mv adodb5/ adbodb
38. cd /var/www/html/
39. tar zxvf /root/snortinstall/base-1.4.4.tar.gz
40. mv base-1.4.4/ base
41. cd base
42. cp base_conf.php.dist base_conf.php
43. vi base_conf.php # Edit the file to suit
44. # Load http://SERVERNAME/base in a browser and click on the setup link
45. # Click on Create BASE AG button
46. # Click on the Main Page link

SQL

1. create database snort;
2. create user 'snort'@'localhost' identified by '';
3. grant create, insert, select, delete, update on snort.* to snort@localhost;
4. grant create, insert, select, delete, update on snort.* to snort;