Linux Firewalls Enhancing Security with nftables and Beyond

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Type : epub | Size : 25.74 MB

Descirption: The Definitive Guide to BuildingFirewalls with Linux
As the security challenges facing Linuxsystem and network administrators have grown, the security toolsand techniques available to them have improved dramatically. InLinux® Firewalls, Fourth Edition,long-time Linux security expert Steve Suehring has revamped hisdefinitive Linux firewall guide to cover the important advances inLinux security.
An indispensable working resource for everyLinux administrator concerned with security, this guide presentscomprehensive coverage of both iptables and nftables. Building onthe solid networking and firewalling foundation in previouseditions, it also adds coverage of modern tools and techniques fordetecting exploits and intrusions, and much more.
Distribution neutral throughout, thisedition is fully updated for today's Linux kernels, andincludes current code examples and support scripts for RedHat/Fedora, Ubuntu, and Debian implementations. If you're aLinux professional, it will help you establish an understanding ofsecurity for any Linux system, and for networks of all sizes, fromhome to enterprise.
Inside, you'll find just what you needto

Install, configure, and update a Linux firewall running eitheriptables or nftables

Migrate to nftables, or take advantage of the latest iptablesenhancements

Manage complex multiple firewall configurations

Create, debug, and optimize firewall rules

Use Samhain and other tools to protect filesystem integrity,monitor networks, and detect intrusions

Harden systems against port scanning and other attacks

Uncover exploits such as rootkits and backdoors withchkrootkit

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