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Linux iptables Pocket Reference (Pocket Reference (O'Reilly))

Linux iptables Pocket Reference (Pocket Reference (O'Reilly)) [Kindle Edition]

Gregor N. Purdy
3.5 out of 5 stars  See all reviews (2 customer reviews)

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Product Description


this is an excellent little volume and I certainly will be using this in preference to the man page! -- Ping, March

Book Description

Firewalls, NAT & Accounting

Product details

  • Format: Kindle Edition
  • File Size: 388 KB
  • Print Length: 98 pages
  • Simultaneous Device Usage: Unlimited
  • Publisher: O'Reilly Media; 1 edition (30 Jun 2009)
  • Sold by: Amazon Media EU S.à r.l.
  • Language: English
  • ASIN: B0043D2ER2
  • Text-to-Speech: Enabled
  • X-Ray:
  • Average Customer Review: 3.5 out of 5 stars  See all reviews (2 customer reviews)
  • Amazon Bestsellers Rank: #318,648 Paid in Kindle Store (See Top 100 Paid in Kindle Store)
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Most Helpful Customer Reviews
3.0 out of 5 stars A Little Thin 91 pages inc index. 22 Dec 2013
By Lee
Format:Paperback|Verified Purchase
Generally I love these pocket refs. Considering the complexity of netfilter and iptables I feel this book could have been longer.

I have a fab Linux pocket ref which is a whopping 190 pages long, and it still fits in my pocket.
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4.0 out of 5 stars Useful and compact 18 April 2012
By George
Format:Paperback|Verified Purchase
It is compact, and can be very quickly read to get a background to IPTables.

As others have suggested, the most common use for IPTables is to create firewalls, but it also has far more sophisticated uses in channelling traffic through different routes (NATing, level 3 traffic routing, etc.). While the book was very useful in providing general pointers to what is possible, its compact size means there is not much room to go into much detail about all the exotic scenarios that IPTables could be used for.
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Most Helpful Customer Reviews on (beta) 4.0 out of 5 stars  12 reviews
26 of 27 people found the following review helpful
5.0 out of 5 stars Concise, handy reference for working SysAdmins 24 Sep 2004
By David Carswell - Published on
'Linux iptables Pocket Reference' is an important and sorely needed reference to iptables, the interface to the Linux packetfilter used by System Admins to create firewalls, NAT routers, transparent proxies, and other 'magical' network devices. While not a tutorial, it offers good advice for those with a grasp of basic networking concepts, and a good notion of what a firewall is and what it is used for, in a dense and concise format. Sufficiently detailed information about the protocols involved obviate the need to keep additional references at hand, and make the work relatively self-contained. This should not be the first book you read about firewalls or tcp/ip, but if you are a networking professional, a technically oriented user, or just interested in creating special purpose network devices, this book belongs in your library. Those familiar with iptables will especially appreciate the lucid description of packet flow through the tables and chains, and the supporting diagrams ... they alone are worth the price of purchase.

If you have need for a book on the topic, you will not be disappointed with this one.
9 of 10 people found the following review helpful
5.0 out of 5 stars Piece of mind that fits in your pocket and only costs $10 20 Mar 2008
By Kevin Major - Published on
Format:Paperback|Verified Purchase
Last year, I was forced to become a fly-by-night system administrator. I worked for a small, local startup as its web developer, but was thrust into a sysadmin role when my boss decided to host a website on a server in our office. I was developing the site on our Ubuntu server, but was learning how to secure the server on the fly. This reference, out of all the other books I read and sites I visited, had the most bang for the buck.

It's short and sweet. It describes what you should know, and gives you a reference for dealing with iptables syntax, and that's it. No flowery text, no colored pictures. Just simple "This is how to do X."

If you're a sysadmin, especially if you're just getting your feet wet, get this book. It's cheap, it tells you what you need to know, and it fits in your pocket. What's not to like?
6 of 6 people found the following review helpful
3.0 out of 5 stars My opinion about this reference. 17 Aug 2012
By terae7 - Published on
Format:Kindle Edition|Verified Purchase
I needed this book to get started to iptables, to make a research for a term paper.
What I liked the most is that it has really lots of information (very good variety of matches and targets), but I really disliked the facts that:

It doesn't detail how to structure an iptables command (step by step at least).
it explains the matches and targets in the same section, kind of a mixture of both, fact that completely puzzled me.
It organizes the explanation in alphabetical order, criteria that I thing is the worst to organize technical topics.

It is useful if you already understand iptables, but if you are a freshman, you really need to get more information sources.
5 of 5 people found the following review helpful
1.0 out of 5 stars Not really a reference. 4 May 2013
By Amazon Customer - Published on
Format:Paperback|Verified Purchase
I was quite disappointed by this book. Usually reference manuals document the full functionality of the base program and several of the more crucial extensions. This book does not, however, cover the core functionality all that well nor any of the extensions that anyone will need. There's no coverage of the various connection-tracking functionality added to the netfilter framework, no explanation of the marking system.

Perhaps my expectations were out somewhat but I was also expecting the book to cover the flow of packets through the system in a little more detail. There's only a few pictures that aren't all that clear. There's no description of the path, no real explanation of the images.

To sum up: you'd be better off printing out the iptable manual page. It covers the functionality in far greater detail. There's also good documentation available on the netfilter website that also covers concepts that you'll need.

As for the extensions, I found reading the description of the modules (when building the Linux kernel) quite informative. Your mileage may vary :)
3 of 3 people found the following review helpful
1.0 out of 5 stars Not even as useful as the man pages 22 Dec 2012
By David - Published on
Format:Kindle Edition|Verified Purchase
I did not realize that this book was going to be so tiny or I would not have ordered it. Save your money and read the man pages instead.
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