The Definitive Guide to Building
Firewalls with Linux

As the security challenges facing Linux
system and network administrators have grown, the security tools
and techniques available to them have improved dramatically. In
Linux® Firewalls, Fourth Edition,
long-time Linux security expert Steve Suehring has revamped his
definitive Linux firewall guide to cover the important advances in
Linux security.

An indispensable working resource for every
Linux administrator concerned with security, this guide presents
comprehensive coverage of both iptables and nftables. Building on
the solid networking and firewalling foundation in previous
editions, it also adds coverage of modern tools and techniques for
detecting exploits and intrusions, and much more.

Distribution neutral throughout, this
edition is fully updated for today’s Linux kernels, and
includes current code examples and support scripts for Red
Hat/Fedora, Ubuntu, and Debian implementations. If you’re a
Linux professional, it will help you establish an understanding of
security for any Linux system, and for networks of all sizes, from
home to enterprise.

Inside, you’ll find just what you need
to