Chapter 25. iptables: Setting Up a Firewall




The iptables utility builds and manipulates network packet filtering rules in the Linux kernel. You can use iptables to create a firewall that protects a system from malicious users and to set up NAT (Network Address Translation, page 1044), which can allow multiple systems to share a single Internet connection. The iptables utility is flexible and ...

Get A Practical Guide to Red Hat® Linux®: Fedora™ Core and Red Hat Enterprise Linux, Third Edition now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.