Preventing dictionary-based attacks with DenyHosts
In this recipe, we will learn how to protect the SSH server from dictionary-based attacks with DenyHosts.
Experienced administrators will tell you that that DenyHosts is a recommended tool that can provide an added layer of protection against dictionary-based attacks. It maintains a small footprint, requires minimal configuration, and by works to monitor invalid login attempts. It is the purpose of this recipe to show you how this essential application can go a long way to keep your server safe.
Getting ready
To complete this recipe, you will require a working installation of the CentOS 6 operating system with root privileges, a console-based text editor of your choice, and a connection to the Internet ...
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