| OverviewSSH (Secure Shell) is a popular, robust, TCP/IP-based
product for network security and privacy, supporting strong
encryption and authentication. This book covers Unix,
Windows, and Macintosh implementations of SSH. It shows both
system administrators and end users how to install,
maintain, and troubleshoot SSH; configure servers and
clients in simple and complex ways; apply SSH to practical
problems; and protect other TCP applications through
forwarding (tunneling). Editorial ReviewsAmazon.com ReviewThe suite of utility applications that Unix users and administrators find indispensable--Telnet, rlogin, FTP, and the rest--can in fact prove to be the undoing of interconnected systems. The Secure Shell, a.k.a. SSH (which isn't a true shell at all) provides your otherwise attack-prone utilities with the protection they need. SSH: The Secure Shell: The Definitive Guide explains how to use SSH at all levels. In a blended sequence, the book explains what SSH is all about, how it fits into a larger security scheme, and how to employ it as an everyday user with an SSH client. More technically detailed chapters show how to configure a SSH server--several variants are covered--and how to integrate SSH with non-Unix client platforms. As befits its detail- and variation-rich subject, this book comprises many specialized sections, each dealing with some specific aspect of use or configuration (setting up access control at the account level, for example, or generating keys for a particular SSH server). The writing is both informative and fun to read; the authors switch back and forth between text and entry-and-response listings from SSH machines. They often run through a half-dozen or more variants on the same command in a few pages, providing the reader with lots of practical information. The discussion of how SSH fits into a Kerberos Public Key Infrastructure (PKI) is great, as is the advice on defeating particular kinds of attacks. --David Wall Topics covered: - The Secure Shell (SSH) for installers, administrators, and everyday users
- SSH design and operation
- Server setup
- SSH agents
- Client configuration
- Public Key Infrastructure (PKI) integration
- SSH1
- SSH2
- F-Secure
- OpenSSH for Unix
- SSH1 and SecureCRT for Microsoft Windows
- NiftyTelnet SSH for Mac OS
| Product DescriptionSecure your computer network with SSH! With transparent, strong encryption, reliable public-key authentication, and a highly configurable client/server architecture, SSH (Secure Shell) is a popular, robust, TCP/IP-based solution to many network security and privacy concerns. It supports secure remote logins, secure file transfer between computers, and a unique "tunneling" capability that adds encryption to otherwise insecure network applications. Best of all, SSH is free, with feature-filled commercial versions available as well. SSH: The Secure Shell: The Definitive Guide covers the Secure Shell in detail for both system administrators and end users. It demystifies the SSH man pages and includes thorough coverage of: - SSH1, SSH2, OpenSSH, and F-Secure SSH for Unix, plus Windows and Macintosh products: the basics, the internals, and complex applications.
- Configuring SSH servers and clients, both system-wide and per user, with recommended settings to maximize security.
- Advanced key management using agents, agent forwarding, and forced commands.
- Forwarding (tunneling) of TCP and X11 applications in depth, even in the presence of firewalls and network address translation (NAT).
- Undocumented behaviors of popular SSH implementations.
- Installing and maintaining SSH systems.
Whether you're communicating on a small LAN or across the Internet, SSH can ship your data from "here" to "there" efficiently and securely. So throw away those insecure .rhosts and hosts.equiv files, move up to SSH, and make your network a safe place to live and work. |
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Reader Reviews From Amazon (Ranked by 'Helpfulness') Average Customer Rating: based on 34 reviews. Tries to be all things to all ssh users, 2008-07-26 Reviewer rating: The main problem with this book is not that it is incomplete, but that you will probably have to wade through portions that do not apply to you to get to what you need to know.
The authors are knowledgable, and I had no problem with the presentation. However, I was looking for the format of ssh and scp commands for the purpose of programmng them in PERL and the needed security files that have to be present for those commands to work without the necessity of logging in every time. I found what I needed to know in this book, but I might have been better off if I had just done a web search for this information.
Likewise, network and UNIX administrators probably have the information they need in this book too, but they will have to wade through the information for programmers as well as the information for IT managers who are deciding whether or not to install SSH on their machines and why. I'd still recommend it since it is a well-written and well-illustrated book. Just be prepared to go digging for what applies to your specific situation. | Decent Book, 2008-06-09 Reviewer rating: Good book, but a little hard to understand. Considering the subject matter that is unavoidable. Part of the problem is due to UNIX/LINUX forks. By that I mean no two versions of UNIX/LINUX are exactly alike.
This book is mostly for system administrators. However those of us below that level can glean a few nuggets of usefull information out of it. | A Wonderful Book, 2008-04-15 Reviewer rating: This is a prime example of how technical books should be written. The material is not easy, but the authors' mastery of the subject matter is clear. It is superbly well organized and very well written. I was only interested in OpenSSH and not Tectia, but the way the material is presented, it was easy to skip over material covering the latter. If you need to know more than what is in this book, you better start working with the development team.
This is not just a "how to" book where you follow a recipe to do task X. But it DOES tell you how to do most anything you'd ever want to get done. It would not surprise me if it is being used as a college course book on SSH. You will probably have to read it more than once to absorb everything. A nice blend of history, theory, and practice - even a bit of techno-geek humor. (I honestly do not understand the (few) poor reviews given for this book. I don't know how anyone could ask for more.)
Very highly recommended. Well worth the money. | Great learning book and reference, 2008-01-12 Reviewer rating: This book is great if you need to set up an SSH client or server. If you are new to SSH this is
the book for you. As an experienced Linux sysadmin this book still helps. It walks you through
key setup, agents, and explains the differences between the different versions/flavors of SSH. | It is administrators guide, not implementors guide, 2007-09-27 Reviewer rating: This is good for beginners and administrators to get an understanding of the SSH. After reading it, you will know, how to set up and configure the SSH.
However, it will not give you details of the SSH protocol for an implementor. I had to look into chapter 7 of "VPNs Illustrated: Tunnels, VPNs, and IPsec by Jon C. Snader" to get an overview of how the SSH protocol really works behind the doors. This chapter gave pictorial descriptions as opposed to textual descriptions in the SSH RFCs.
In the next version, I would expect this book to contain a chapter giving implementation details of the SSH protocol.
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