By Michael D. Bauer
ISBN-10: 0596006705
ISBN-13: 9780596006709
Linux always looks excessive up within the checklist of renowned web servers, no matter if it's for the net, nameless FTP, or normal prone corresponding to DNS and offering mail. yet safeguard is the most important main issue of a person delivering one of these provider. Any server studies informal probe makes an attempt dozens of time an afternoon, and critical break-in makes an attempt with a few frequency as well.
This very hot e-book, initially titled Building safe Servers with Linux, combines useful recommendation with an organization wisdom of the technical instruments had to confirm defense. The booklet specializes in the commonest use of Linux--as a hub providing providers to a company or the Internet--and exhibits readers tips on how to harden their hosts opposed to assaults. An all-inclusive source for Linux clients who desire to harden their platforms, Linux Server Security covers common safeguard reminiscent of intrusion detection and firewalling a hub, in addition to key prone reminiscent of DNS, the Apache net server, mail, and safe shell.
Author Michael D. Bauer, a safety advisor, community architect, and lead writer of the preferred Paranoid Penguin column within the Linux Journal, conscientiously outlines the protection dangers, defines precautions that may reduce these dangers, and gives recipes for strong safeguard. he's joined on a number of chapters by way of administrator and developer invoice Lubanovic.
A variety of new safety themes were further for this version, together with:
* Database safeguard, with a spotlight on MySQL
* utilizing OpenLDAP for authentication
* An advent to e-mail encryption
* The Cyrus IMAP carrier, a well-liked mail supply agent
* The vsftpd FTP server
Geared towards Linux clients with little protection services, the writer explains defense ideas and strategies in transparent language, starting with the basics. Linux Server Security with Linux offers a distinct stability of "big picture" ideas that go beyond particular software program programs and model numbers, and extremely transparent systems on securing a few of these software program applications on a number of renowned distributions. With this e-book in hand, you'll have either the services and the instruments to comprehensively safe your Linux process.
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Extra resources for Linux Server Security (2nd Edition)
Sample text
Figure 1-1 shows a more complete threat analysis for our hypothetical business’s SMTP gateway, including not only the ALE we just calculated but also a number of others that address related assets, plus a variety of security goals. Figure 1-1. Sample ALE-based threat model In this sample analysis, customer data in the form of confidential email is the most valuable asset at risk; if this is eavesdropped or tampered with, customers could be lost, resulting in lost revenue. Different perceived loss potentials are reflected in the Simple Risk Analysis: ALEs This is the Title of the Book, eMatter Edition Copyright © 2007 O’Reilly & Associates, Inc.
Resources Cohen, Fred et al. html. 20 | Chapter 1: Threat Modeling and Risk Management This is the Title of the Book, eMatter Edition Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved. , the Internet) can prevent entire classes of attacks from even reaching protected servers. Equally important, it can prevent a compromised system on your network from being used to attack other systems. Secure network design is therefore a key element in risk management and containment. But what constitutes a “well-designed” perimeter network?
12 | Chapter 1: Threat Modeling and Risk Management This is the Title of the Book, eMatter Edition Copyright © 2007 O’Reilly & Associates, Inc. All rights reserved. other attacks by your competitors, and as far as you can tell, the most likely sources of DoS attacks on your mail server are vandals, hoodlums, deranged people, and other random strangers. It seems reasonable that such an attack is unlikely to occur more than once every two or three years; let’s say two to be conservative. 5. 5 incidents/yr = 488 $/yr The ALE for Denial of Service attacks on the example business’s SMTP gateway is thus $488 per year.
Linux Server Security (2nd Edition) by Michael D. Bauer
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