By James Eaton-Lee, Barrie Dempster

This e-book is an easy-to-read consultant to utilizing IPCop in a number of various roles in the community. The booklet is written in a really pleasant variety that makes this complicated subject effortless and a pleasure to learn. It first covers easy IPCop innovations, then strikes to introduce easy IPCop configurations, prior to overlaying complicated makes use of of IPCop. This ebook is for either skilled and new IPCop clients. an individual attracted to securing their networks with IPCop - from these new to networking and firewalls, to networking and IT execs with prior event of IPCop. No wisdom of Linux or IPCop is needed.

Show description

Read or Download Configuring IPCop Firewalls: Closing Borders with Open Source: How to setup, configure and manage your Linux firewall, web proxy, DHCP, DNS, time ... VPN with this powerful Open Source solution PDF

Similar unix books

RHCE Red Hat Certified Engineer Study Guide Exam RH302 (With CD-ROM)

All the precious research fabric for the RHCE Certification examination, RH302. complete assurance of each examination element and suggestions for passing the examination are integrated. The CD-ROM comprises hundreds and hundreds of perform questions, a Sybex area trying out engine, pattern moveable digital flashcards for desktops and Palm units, and a searchable digital replica of the textual content.

Sams Teach Yourself Red Hat Linux 8 in 24 Hours

Linux is an open-source, Unix-like working process that has turn into a conceivable machine process for plenty of clients, in particular these concerned with method and community management. crimson Hat Linux has remained a number one number of Linux distributions for years, possessing greater than eighty percentage of the U. S. Linux marketplace.

Linux toys : 13 cool projects for home, office, and entertainment

* Christopher Negus is the bestselling writer of purple Hat Linux eight Bible (0-7645-4968-5) and previous models, with greater than 125,000 copies bought * Readers discover ways to construct 16 enjoyable and important units for domestic and workplace, utilizing spare components and loose software program * initiatives comprise reworking an answering desktop into an e mail converter, construction an MP3 tune jukebox, development a motor vehicle leisure middle, and making a television video recorder/player * initiatives paintings with any model of Linux * spouse website contains really expert drivers and software program interfaces, plus song and online game software program

Additional info for Configuring IPCop Firewalls: Closing Borders with Open Source: How to setup, configure and manage your Linux firewall, web proxy, DHCP, DNS, time ... VPN with this powerful Open Source solution

Example text

0/16 address range, which are not valid for internet communications. 23 for the external address of your router, given to you temporarily by your ISP. 23 was the originating host, and rewrites the packet back again. Effectively, your clients are masquerading as the device attached to the Internet (or it is masquerading as them), and indeed, 'masquerading' is the technical term used for NAT in the iptables/netfilter firewalling components in Linux. Although the NAT process breaks some more complicated protocols, it is an extremely effective way of having many hundreds or thousands of devices online behind one internet-routable (public) IP address.

He graduated from the University of Maine with a Bachelor's in Music Education in 1986 and had a ten year career as a Choral Music Educator in the Kennebunk, Maine school system. His large non-audition groups won silver at the Events America Choral Festival and his select group was featured on Good Morning America and in Yankee Magazine for its annual performances of traditional Christmas carols at the highly acclaimed Kennebunkport Christmas Prelude. Throughout his music tenure he maintained his involvement in computers as the unofficial "computer dude" for Kennebunk Middle School, as well as integrating the use of computer applications throughout all aspects of the music education program.

This particular distinction becomes important later on when we discuss traffic filtering. Within the context of a network, a server is a device that provides a fixed service to hosts on that network. Generally this involves some form of centraliszed resource; although a 'firewall' may be described as a server it doesn't necessarily have to accept connections to itself (but rather facilitates connections to other locations and/or servers). ). For the purposes of this book, we will—generally—consider a server to be a device that provides services and data to other computers and devices on a network.

Download PDF sample

Rated 4.08 of 5 – based on 5 votes