Halbmaske Gebrauchsfertig P440 - A2P3 Portwest Schwarz

Halbmaske Gebrauchsfertig P440 - A2P3 Portwest Schwarz

Marsoni

M251S

$39.99

Get it in 3 business days with 1 day shipping. Friday, May 29

Halbmaske Gebrauchsfertig P440 - A2P3 Portwest SchwarzHalbmaske P440 A2P3 Portwest Schwarz Wartungsfreie Halbmaske aus TPE Sofort einsetzbare Atemschutzmaske mit integriertem Filter Diese gebrauchsfertige und wartungsfreie Halbmaske P440 A2P3 bietet zuverlssigen Schutz bei maximalem Komfort. Gefertigt aus hochwertigem, flexiblem TPE, passt sich die Maske ergonomisch dem Gesicht an. Das kompakte, flache Design sorgt fr eine optimale Gewichtsverteilung, ein freies Sichtfeld und erhhte Bewegungsfreiheit

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Overall it was an OK book. I am already "competent" with DNS, specifically the BIND9 implementation but I got the book as reference material since the official documentation is a little sparse. The fifth edition (not sure about the others) even covers, albeit a little too briefly, how to deal with reverse lookup zones with subnet masks that do not fall on octet boundaries.

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Reviewed in the United States on July 31, 2015

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Dan

West Palm Beach, US

★★★★★ 5

Domain Names...Serves us!

Format: Paperback

This is the most complete and must-have DNS book i've ever seen before. Nor only prepares you to understand every basic and some advanced issues about DNS, it also shows a lot of "tricks" with the most powerfull and well know - famous DNS implementation!: BIND. If you are a beginner in the DNS world, this is a good step towards become an expert, if you're already an expert this guide will surely show you a lot of useful information in your daily DNS administration problems. Definitely, this was one of my best investments on my way to become a site administrator.

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Reviewed in the United States on June 11, 2011

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Pzano

Carnegie, US

★★★★★ 5

Thicker than I anticiapted

Format: Paperback

The encyclopedia of DNS books, meaning thicker than a phone book. I like the fact that this book is thick but so easy to read and follow along with. If you know nothing about DNS, this book makes it easy to learn about DNS. It starts with the history of DNS and then explains the hierarchy of the DNS tree. A must read if you want to improve your understanding of the internet and what happens under the hood for name resolution.

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Reviewed in the United States on February 7, 2014

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Tracy

Fort Morgan, US

★★★★★ 5

Best practical book on DNS and how it works

Format: Kindle

I was interested in finding out more about how DNS is deployed and operated in practice. The first few chapters in this book deliver very well in this regard. My motivation was to find out more about how a certain type of Internet attack -- the "open DNS resolver attack" -- works. Even though this book was written well before this attack became popular and well known -- and therefore the attack is not mentioned, let alone analyzed -- the book was still quite helpful to me.

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Reviewed in the United States on June 1, 2014

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Olomo Claude

Houston, US

★★★★★ 5

DNS reference

Format: Paperback

The book arrived in perfect condition. This a reference of dns related knowledge.

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Reviewed in the United States on July 11, 2024