Tripwire
With the increasing number of attacks on servers nowadays, administering the server securely is becoming a complex problem. It is difficult to be sure that every attack has been effectively blocked.
Tripwire is a host-based Intrusion Detection System (IDS), which can be used to monitor different filesystem data points and then alert us if any file gets modified or changed.
Getting Ready
We only need to install the Tripwire package on our Linux system to configure our IDS. In the next section, we will see how to install and configure the tool.
How to do it...
We will discuss how to install and configure Tripwire on our Ubuntu system in the following steps:
The first step will be to install the Tripwire package using
apt-get, as shown here:
During the installation process it will show an information window. Press OK to continue.
In the next window select Internet Site for type of mail configuration and press OK:
The next window will will ask for the system mail name. Enter the domain name...
