Linux Network Security
Linux networks are becoming more and more common, but security is often
an overlooked issue. Unfortunately, in today's environment all networks
are potential hacker targets, from top-secret military research
networks to small home LANs. Linux Network Security focuses on securing
Linux in a networked environment, where the security of the entire
network needs to be considered rather than just isolated machines. It
uses a mix of theory and practical techniques to teach administrators
how to install and use security applications, as well as how the
applications work and why they are necessary. Starting with the need
for security and understanding the problem, the book teaches
administrators about packet filtering (firewalling) with iptables,
hardening services such as Apache, BIND, Sendmail, FTP, and MySQL to
prevent attacks, network analysis, encryption, local security, DoS
attacks, and rootkits. Auditing networks for potential vulnerabilities
and creating secure passwords is also explored. This is the one book
that really details how to secure a Linux network.
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